Tanna weather by month

Check out Tanna weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Tanna (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
28°C maximum daytime temperature in January in Tanna28
29°C maximum daytime temperature in February in Tanna29
28°C maximum daytime temperature in March in Tanna28
27°C maximum daytime temperature in April in Tanna27
25°C maximum daytime temperature in May in Tanna25
25°C maximum daytime temperature in June in Tanna25
24°C maximum daytime temperature in July in Tanna24
24°C maximum daytime temperature in August in Tanna24
24°C maximum daytime temperature in September in Tanna24
25°C maximum daytime temperature in October in Tanna25
26°C maximum daytime temperature in November in Tanna26
27°C maximum daytime temperature in December in Tanna27
Min temperature (night-time)
21°C minimum night-time temperature in January in Tanna21
21°C minimum night-time temperature in February in Tanna21
21°C minimum night-time temperature in March in Tanna21
20°C minimum night-time temperature in April in Tanna20
18°C minimum night-time temperature in May in Tanna18
17°C minimum night-time temperature in June in Tanna17
16°C minimum night-time temperature in July in Tanna16
16°C minimum night-time temperature in August in Tanna16
16°C minimum night-time temperature in September in Tanna16
18°C minimum night-time temperature in October in Tanna18
19°C minimum night-time temperature in November in Tanna19
20°C minimum night-time temperature in December in Tanna20
Heat & Humidity
High heat & humidity in January in TannaH
High heat & humidity in February in TannaH
High heat & humidity in March in TannaH
Moderate heat & humidity in April in TannaM
Low heat & humidity in May in TannaL
Low heat & humidity in June in TannaL
No heat & humidity in July in Tanna0
No heat & humidity in August in Tanna0
Low heat & humidity in September in TannaL
Low heat & humidity in October in TannaL
Moderate heat & humidity in November in TannaM
Moderate heat & humidity in December in TannaM
Sea temperature
28°C sea temperature in January in Tanna28
28°C sea temperature in February in Tanna28
28°C sea temperature in March in Tanna28
27°C sea temperature in April in Tanna27
26°C sea temperature in May in Tanna26
26°C sea temperature in June in Tanna26
25°C sea temperature in July in Tanna25
24°C sea temperature in August in Tanna24
24°C sea temperature in September in Tanna24
25°C sea temperature in October in Tanna25
26°C sea temperature in November in Tanna26
27°C sea temperature in December in Tanna27

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Tanna

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
13 hours of daylight per day in January in Tanna13
13 hours of daylight per day in February in Tanna13
12 hours of daylight per day in March in Tanna12
12 hours of daylight per day in April in Tanna12
11 hours of daylight per day in May in Tanna11
11 hours of daylight per day in June in Tanna11
11 hours of daylight per day in July in Tanna11
11 hours of daylight per day in August in Tanna11
12 hours of daylight per day in September in Tanna12
13 hours of daylight per day in October in Tanna13
13 hours of daylight per day in November in Tanna13
13 hours of daylight per day in December in Tanna13
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Tanna11
UV (maximum) index 11+ (Extreme) in February in Tanna11
UV (maximum) index 11+ (Extreme) in March in Tanna11
UV (maximum) index 10 (Very High) in April in Tanna10
UV (maximum) index 8 (Very High) in May in Tanna8
UV (maximum) index 6 (High) in June in Tanna6
UV (maximum) index 7 (High) in July in Tanna7
UV (maximum) index 9 (Very High) in August in Tanna9
UV (maximum) index 11 (Extreme) in September in Tanna11
UV (maximum) index 11+ (Extreme) in October in Tanna11
UV (maximum) index 11+ (Extreme) in November in Tanna11
UV (maximum) index 11+ (Extreme) in December in Tanna11

Rainfall in Tanna

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in Tanna19
19 days with some rainfall in February in Tanna19
22 days with some rainfall in March in Tanna22
19 days with some rainfall in April in Tanna19
19 days with some rainfall in May in Tanna19
18 days with some rainfall in June in Tanna18
17 days with some rainfall in July in Tanna17
17 days with some rainfall in August in Tanna17
15 days with some rainfall in September in Tanna15
15 days with some rainfall in October in Tanna15
16 days with some rainfall in November in Tanna16
17 days with some rainfall in December in Tanna17
Average monthly rainfall (mm)
334 mm monthly rainfall in January in Tanna334
266 mm monthly rainfall in February in Tanna266
355 mm monthly rainfall in March in Tanna355
210 mm monthly rainfall in April in Tanna210
181 mm monthly rainfall in May in Tanna181
164 mm monthly rainfall in June in Tanna164
128 mm monthly rainfall in July in Tanna128
178 mm monthly rainfall in August in Tanna178
125 mm monthly rainfall in September in Tanna125
109 mm monthly rainfall in October in Tanna109
185 mm monthly rainfall in November in Tanna185
200 mm monthly rainfall in December in Tanna200

More about Tanna

Tanna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Vanuatu

The climate guide for Vanuatu (Tanna) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Tanna?

Tanna has a hot tropical climate with no dry season.

Tanna weather in January

Expect daytime maximum temperatures of 28°C in Tanna, Vanuatu in January and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 334 mm of rainfall in the month.

  • 28°C maximum daytime temperature in January in Tanna28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in January in Tanna19
    19 days with some rainfall
  • 21°C minimum night-time temperature in January in Tanna21
    21°C min night temperature
  • 13 hours of daylight per day in January in Tanna13
    13 hours of daylight per day
  • High heat & humidity in January in TannaH
    High heat & humidity
  • 334 mm monthly rainfall in January in Tanna334
    334 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Tanna11
    11+ (Extreme) UV index
  • 28°C sea temperature in January in Tanna28
    28°C sea temperature

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Tanna weather in February

Expect daytime maximum temperatures of 29°C in Tanna, Vanuatu in February and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 266 mm of rainfall in the month.

  • 29°C maximum daytime temperature in February in Tanna29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in February in Tanna19
    19 days with some rainfall
  • 21°C minimum night-time temperature in February in Tanna21
    21°C min night temperature
  • 13 hours of daylight per day in February in Tanna13
    13 hours of daylight per day
  • High heat & humidity in February in TannaH
    High heat & humidity
  • 266 mm monthly rainfall in February in Tanna266
    266 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Tanna11
    11+ (Extreme) UV index
  • 28°C sea temperature in February in Tanna28
    28°C sea temperature

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Tanna weather in March

Expect daytime maximum temperatures of 28°C in Tanna, Vanuatu in March and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 355 mm of rainfall in the month.

  • 28°C maximum daytime temperature in March in Tanna28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in March in Tanna22
    22 days with some rainfall
  • 21°C minimum night-time temperature in March in Tanna21
    21°C min night temperature
  • 12 hours of daylight per day in March in Tanna12
    12 hours of daylight per day
  • High heat & humidity in March in TannaH
    High heat & humidity
  • 355 mm monthly rainfall in March in Tanna355
    355 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Tanna11
    11+ (Extreme) UV index
  • 28°C sea temperature in March in Tanna28
    28°C sea temperature

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Tanna weather in April

Expect daytime maximum temperatures of 27°C in Tanna, Vanuatu in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 210 mm of rainfall in the month.

  • 27°C maximum daytime temperature in April in Tanna27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in April in Tanna19
    19 days with some rainfall
  • 20°C minimum night-time temperature in April in Tanna20
    20°C min night temperature
  • 12 hours of daylight per day in April in Tanna12
    12 hours of daylight per day
  • Moderate heat & humidity in April in TannaM
    Moderate heat & humidity
  • 210 mm monthly rainfall in April in Tanna210
    210 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in April in Tanna10
    10 (Very High) UV index
  • 27°C sea temperature in April in Tanna27
    27°C sea temperature

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Tanna weather in May

Expect daytime maximum temperatures of 25°C in Tanna, Vanuatu in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 181 mm of rainfall in the month.

  • 25°C maximum daytime temperature in May in Tanna25
    25°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in May in Tanna19
    19 days with some rainfall
  • 18°C minimum night-time temperature in May in Tanna18
    18°C min night temperature
  • 11 hours of daylight per day in May in Tanna11
    11 hours of daylight per day
  • Low heat & humidity in May in TannaL
    Low heat & humidity
  • 181 mm monthly rainfall in May in Tanna181
    181 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Tanna8
    8 (Very High) UV index
  • 26°C sea temperature in May in Tanna26
    26°C sea temperature

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Tanna weather in June

Expect daytime maximum temperatures of 25°C in Tanna, Vanuatu in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 164 mm of rainfall in the month.

  • 25°C maximum daytime temperature in June in Tanna25
    25°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in June in Tanna18
    18 days with some rainfall
  • 17°C minimum night-time temperature in June in Tanna17
    17°C min night temperature
  • 11 hours of daylight per day in June in Tanna11
    11 hours of daylight per day
  • Low heat & humidity in June in TannaL
    Low heat & humidity
  • 164 mm monthly rainfall in June in Tanna164
    164 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Tanna6
    6 (High) UV index
  • 26°C sea temperature in June in Tanna26
    26°C sea temperature

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Tanna weather in July

Expect daytime maximum temperatures of 24°C in Tanna, Vanuatu in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 128 mm of rainfall in the month.

  • 24°C maximum daytime temperature in July in Tanna24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in July in Tanna17
    17 days with some rainfall
  • 16°C minimum night-time temperature in July in Tanna16
    16°C min night temperature
  • 11 hours of daylight per day in July in Tanna11
    11 hours of daylight per day
  • No heat & humidity in July in Tanna0
    No heat & humidity
  • 128 mm monthly rainfall in July in Tanna128
    128 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in Tanna7
    7 (High) UV index
  • 25°C sea temperature in July in Tanna25
    25°C sea temperature

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Tanna weather in August

Expect daytime maximum temperatures of 24°C in Tanna, Vanuatu in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 178 mm of rainfall in the month.

  • 24°C maximum daytime temperature in August in Tanna24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in August in Tanna17
    17 days with some rainfall
  • 16°C minimum night-time temperature in August in Tanna16
    16°C min night temperature
  • 11 hours of daylight per day in August in Tanna11
    11 hours of daylight per day
  • No heat & humidity in August in Tanna0
    No heat & humidity
  • 178 mm monthly rainfall in August in Tanna178
    178 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Tanna9
    9 (Very High) UV index
  • 24°C sea temperature in August in Tanna24
    24°C sea temperature

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Tanna weather in September

Expect daytime maximum temperatures of 24°C in Tanna, Vanuatu in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 125 mm of rainfall in the month.

  • 24°C maximum daytime temperature in September in Tanna24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in September in Tanna15
    15 days with some rainfall
  • 16°C minimum night-time temperature in September in Tanna16
    16°C min night temperature
  • 12 hours of daylight per day in September in Tanna12
    12 hours of daylight per day
  • Low heat & humidity in September in TannaL
    Low heat & humidity
  • 125 mm monthly rainfall in September in Tanna125
    125 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Tanna11
    11 (Extreme) UV index
  • 24°C sea temperature in September in Tanna24
    24°C sea temperature

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Tanna weather in October

Expect daytime maximum temperatures of 25°C in Tanna, Vanuatu in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 109 mm of rainfall in the month.

  • 25°C maximum daytime temperature in October in Tanna25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in October in Tanna15
    15 days with some rainfall
  • 18°C minimum night-time temperature in October in Tanna18
    18°C min night temperature
  • 13 hours of daylight per day in October in Tanna13
    13 hours of daylight per day
  • Low heat & humidity in October in TannaL
    Low heat & humidity
  • 109 mm monthly rainfall in October in Tanna109
    109 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Tanna11
    11+ (Extreme) UV index
  • 25°C sea temperature in October in Tanna25
    25°C sea temperature

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Tanna weather in November

Expect daytime maximum temperatures of 26°C in Tanna, Vanuatu in November based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 185 mm of rainfall in the month.

  • 26°C maximum daytime temperature in November in Tanna26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in November in Tanna16
    16 days with some rainfall
  • 19°C minimum night-time temperature in November in Tanna19
    19°C min night temperature
  • 13 hours of daylight per day in November in Tanna13
    13 hours of daylight per day
  • Moderate heat & humidity in November in TannaM
    Moderate heat & humidity
  • 185 mm monthly rainfall in November in Tanna185
    185 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Tanna11
    11+ (Extreme) UV index
  • 26°C sea temperature in November in Tanna26
    26°C sea temperature

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Tanna weather in December

Expect daytime maximum temperatures of 27°C in Tanna, Vanuatu in December based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 200 mm of rainfall in the month.

  • 27°C maximum daytime temperature in December in Tanna27
    27°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in December in Tanna17
    17 days with some rainfall
  • 20°C minimum night-time temperature in December in Tanna20
    20°C min night temperature
  • 13 hours of daylight per day in December in Tanna13
    13 hours of daylight per day
  • Moderate heat & humidity in December in TannaM
    Moderate heat & humidity
  • 200 mm monthly rainfall in December in Tanna200
    200 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Tanna11
    11+ (Extreme) UV index
  • 27°C sea temperature in December in Tanna27
    27°C sea temperature

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More about Tanna

Tanna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Vanuatu

The climate guide for Vanuatu (Tanna) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Tropical storm risk: Tanna, Vanuatu cyclone season

% of month affected by tropical storms
3.6%
3.9%
4.1%
1.7%
0
0
0
0
0
0
1.1%
1.2%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Tanna weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Tanna, Vanuatu and the UK (London).

Maximum daytime temperature (°C)

Tanna, Vanuatu
UK (London)
28
7
29
7
28
10
27
13
25
17
25
20
24
22
24
22
24
19
25
15
26
10
27
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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