Sligo weather by month

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

Temperature in Sligo (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Sligo7
7°C maximum daytime temperature in February in Sligo7
9°C maximum daytime temperature in March in Sligo9
12°C maximum daytime temperature in April in Sligo12
14°C maximum daytime temperature in May in Sligo14
17°C maximum daytime temperature in June in Sligo17
18°C maximum daytime temperature in July in Sligo18
18°C maximum daytime temperature in August in Sligo18
16°C maximum daytime temperature in September in Sligo16
13°C maximum daytime temperature in October in Sligo13
9°C maximum daytime temperature in November in Sligo9
8°C maximum daytime temperature in December in Sligo8
Min temperature (night-time)
1°C minimum night-time temperature in January in Sligo1
1°C minimum night-time temperature in February in Sligo1
2°C minimum night-time temperature in March in Sligo2
3°C minimum night-time temperature in April in Sligo3
5°C minimum night-time temperature in May in Sligo5
8°C minimum night-time temperature in June in Sligo8
10°C minimum night-time temperature in July in Sligo10
10°C minimum night-time temperature in August in Sligo10
8°C minimum night-time temperature in September in Sligo8
6°C minimum night-time temperature in October in Sligo6
3°C minimum night-time temperature in November in Sligo3
2°C minimum night-time temperature in December in Sligo2
Heat & Humidity
No heat & humidity in January in Sligo0
No heat & humidity in February in Sligo0
No heat & humidity in March in Sligo0
No heat & humidity in April in Sligo0
No heat & humidity in May in Sligo0
No heat & humidity in June in Sligo0
No heat & humidity in July in Sligo0
No heat & humidity in August in Sligo0
No heat & humidity in September in Sligo0
No heat & humidity in October in Sligo0
No heat & humidity in November in Sligo0
No heat & humidity in December in Sligo0
Sea temperature
8°C sea temperature in January in Sligo8
8°C sea temperature in February in Sligo8
8°C sea temperature in March in Sligo8
9°C sea temperature in April in Sligo9
11°C sea temperature in May in Sligo11
13°C sea temperature in June in Sligo13
15°C sea temperature in July in Sligo15
16°C sea temperature in August in Sligo16
15°C sea temperature in September in Sligo15
13°C sea temperature in October in Sligo13
11°C sea temperature in November in Sligo11
10°C sea temperature in December in Sligo10

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

Sunshine & UV index in Sligo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Sligo8
10 hours of daylight per day in February in Sligo10
12 hours of daylight per day in March in Sligo12
14 hours of daylight per day in April in Sligo14
16 hours of daylight per day in May in Sligo16
17 hours of daylight per day in June in Sligo17
17 hours of daylight per day in July in Sligo17
15 hours of daylight per day in August in Sligo15
13 hours of daylight per day in September in Sligo13
10 hours of daylight per day in October in Sligo10
8 hours of daylight per day in November in Sligo8
7 hours of daylight per day in December in Sligo7
UV Index (Maximum)
No UV (maximum) index in January in Sligo0
UV (maximum) index 1 (Low) in February in Sligo1
UV (maximum) index 2 (Low) in March in Sligo2
UV (maximum) index 3 (Moderate) in April in Sligo3
UV (maximum) index 5 (Moderate) in May in Sligo5
UV (maximum) index 6 (High) in June in Sligo6
UV (maximum) index 6 (High) in July in Sligo6
UV (maximum) index 5 (Moderate) in August in Sligo5
UV (maximum) index 3 (Moderate) in September in Sligo3
UV (maximum) index 2 (Low) in October in Sligo2
UV (maximum) index 1 (Low) in November in Sligo1
No UV (maximum) index in December in Sligo0

Rainfall in Sligo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
23 days with some rainfall in January in Sligo23
19 days with some rainfall in February in Sligo19
22 days with some rainfall in March in Sligo22
18 days with some rainfall in April in Sligo18
19 days with some rainfall in May in Sligo19
18 days with some rainfall in June in Sligo18
19 days with some rainfall in July in Sligo19
20 days with some rainfall in August in Sligo20
21 days with some rainfall in September in Sligo21
23 days with some rainfall in October in Sligo23
22 days with some rainfall in November in Sligo22
23 days with some rainfall in December in Sligo23
Average monthly rainfall (mm)
138 mm monthly rainfall in January in Sligo138
93 mm monthly rainfall in February in Sligo93
107 mm monthly rainfall in March in Sligo107
72 mm monthly rainfall in April in Sligo72
85 mm monthly rainfall in May in Sligo85
84 mm monthly rainfall in June in Sligo84
84 mm monthly rainfall in July in Sligo84
105 mm monthly rainfall in August in Sligo105
123 mm monthly rainfall in September in Sligo123
138 mm monthly rainfall in October in Sligo138
135 mm monthly rainfall in November in Sligo135
141 mm monthly rainfall in December in Sligo141

More about Sligo

Sligo by month

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

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The climate guide for Ireland (Sligo) 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 Sligo?

Sligo has a temperate climate with warm summers and some rainfall in all months.

Sligo weather in January

Expect daytime maximum temperatures of 7°C in Sligo, Ireland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 138 mm of rainfall in the month.

  • 7°C maximum daytime temperature in January in Sligo7
    7°C max day temperature
  • 1 hour of sunshine per day
  • 23 days with some rainfall in January in Sligo23
    23 days with some rainfall
  • 1°C minimum night-time temperature in January in Sligo1
    1°C min night temperature
  • 8 hours of daylight per day in January in Sligo8
    8 hours of daylight per day
  • No heat & humidity in January in Sligo0
    No heat & humidity
  • 138 mm monthly rainfall in January in Sligo138
    138 mm of monthly rainfall
  • No UV (maximum) index in January in Sligo0
    No UV (Maximum) Index UV index
  • 8°C sea temperature in January in Sligo8
    8°C sea temperature

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Sligo weather in February

Expect daytime maximum temperatures of 7°C in Sligo, Ireland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 93 mm of rainfall in the month.

  • 7°C maximum daytime temperature in February in Sligo7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in February in Sligo19
    19 days with some rainfall
  • 1°C minimum night-time temperature in February in Sligo1
    1°C min night temperature
  • 10 hours of daylight per day in February in Sligo10
    10 hours of daylight per day
  • No heat & humidity in February in Sligo0
    No heat & humidity
  • 93 mm monthly rainfall in February in Sligo93
    93 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Sligo1
    1 (Low) UV index
  • 8°C sea temperature in February in Sligo8
    8°C sea temperature

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Sligo weather in March

Expect daytime maximum temperatures of 9°C in Sligo, Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 107 mm of rainfall in the month.

  • 9°C maximum daytime temperature in March in Sligo9
    9°C max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in March in Sligo22
    22 days with some rainfall
  • 2°C minimum night-time temperature in March in Sligo2
    2°C min night temperature
  • 12 hours of daylight per day in March in Sligo12
    12 hours of daylight per day
  • No heat & humidity in March in Sligo0
    No heat & humidity
  • 107 mm monthly rainfall in March in Sligo107
    107 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Sligo2
    2 (Low) UV index
  • 8°C sea temperature in March in Sligo8
    8°C sea temperature

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Sligo weather in April

Expect daytime maximum temperatures of 12°C in Sligo, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 72 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Sligo12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in April in Sligo18
    18 days with some rainfall
  • 3°C minimum night-time temperature in April in Sligo3
    3°C min night temperature
  • 14 hours of daylight per day in April in Sligo14
    14 hours of daylight per day
  • No heat & humidity in April in Sligo0
    No heat & humidity
  • 72 mm monthly rainfall in April in Sligo72
    72 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in April in Sligo3
    3 (Moderate) UV index
  • 9°C sea temperature in April in Sligo9
    9°C sea temperature

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Sligo weather in May

Expect daytime maximum temperatures of 14°C in Sligo, Ireland in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 85 mm of rainfall in the month.

  • 14°C maximum daytime temperature in May in Sligo14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in May in Sligo19
    19 days with some rainfall
  • 5°C minimum night-time temperature in May in Sligo5
    5°C min night temperature
  • 16 hours of daylight per day in May in Sligo16
    16 hours of daylight per day
  • No heat & humidity in May in Sligo0
    No heat & humidity
  • 85 mm monthly rainfall in May in Sligo85
    85 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Sligo5
    5 (Moderate) UV index
  • 11°C sea temperature in May in Sligo11
    11°C sea temperature

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Sligo weather in June

Expect daytime maximum temperatures of 17°C in Sligo, Ireland 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 84 mm of rainfall in the month.

  • 17°C maximum daytime temperature in June in Sligo17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in June in Sligo18
    18 days with some rainfall
  • 8°C minimum night-time temperature in June in Sligo8
    8°C min night temperature
  • 17 hours of daylight per day in June in Sligo17
    17 hours of daylight per day
  • No heat & humidity in June in Sligo0
    No heat & humidity
  • 84 mm monthly rainfall in June in Sligo84
    84 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Sligo6
    6 (High) UV index
  • 13°C sea temperature in June in Sligo13
    13°C sea temperature

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Sligo weather in July

Expect daytime maximum temperatures of 18°C in Sligo, Ireland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 84 mm of rainfall in the month.

  • 18°C maximum daytime temperature in July in Sligo18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in July in Sligo19
    19 days with some rainfall
  • 10°C minimum night-time temperature in July in Sligo10
    10°C min night temperature
  • 17 hours of daylight per day in July in Sligo17
    17 hours of daylight per day
  • No heat & humidity in July in Sligo0
    No heat & humidity
  • 84 mm monthly rainfall in July in Sligo84
    84 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Sligo6
    6 (High) UV index
  • 15°C sea temperature in July in Sligo15
    15°C sea temperature

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Sligo weather in August

Expect daytime maximum temperatures of 18°C in Sligo, Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 105 mm of rainfall in the month.

  • 18°C maximum daytime temperature in August in Sligo18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in August in Sligo20
    20 days with some rainfall
  • 10°C minimum night-time temperature in August in Sligo10
    10°C min night temperature
  • 15 hours of daylight per day in August in Sligo15
    15 hours of daylight per day
  • No heat & humidity in August in Sligo0
    No heat & humidity
  • 105 mm monthly rainfall in August in Sligo105
    105 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Sligo5
    5 (Moderate) UV index
  • 16°C sea temperature in August in Sligo16
    16°C sea temperature

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Sligo weather in September

Expect daytime maximum temperatures of 16°C in Sligo, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 123 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Sligo16
    16°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in September in Sligo21
    21 days with some rainfall
  • 8°C minimum night-time temperature in September in Sligo8
    8°C min night temperature
  • 13 hours of daylight per day in September in Sligo13
    13 hours of daylight per day
  • No heat & humidity in September in Sligo0
    No heat & humidity
  • 123 mm monthly rainfall in September in Sligo123
    123 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Sligo3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Sligo15
    15°C sea temperature

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Sligo weather in October

Expect daytime maximum temperatures of 13°C in Sligo, Ireland in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 23 days with some rainfall and typically 138 mm of rainfall in the month.

  • 13°C maximum daytime temperature in October in Sligo13
    13°C max day temperature
  • 2 hours of sunshine per day
  • 23 days with some rainfall in October in Sligo23
    23 days with some rainfall
  • 6°C minimum night-time temperature in October in Sligo6
    6°C min night temperature
  • 10 hours of daylight per day in October in Sligo10
    10 hours of daylight per day
  • No heat & humidity in October in Sligo0
    No heat & humidity
  • 138 mm monthly rainfall in October in Sligo138
    138 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Sligo2
    2 (Low) UV index
  • 13°C sea temperature in October in Sligo13
    13°C sea temperature

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Sligo weather in November

Expect daytime maximum temperatures of 9°C in Sligo, Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 22 days with some rainfall and typically 135 mm of rainfall in the month.

  • 9°C maximum daytime temperature in November in Sligo9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 22 days with some rainfall in November in Sligo22
    22 days with some rainfall
  • 3°C minimum night-time temperature in November in Sligo3
    3°C min night temperature
  • 8 hours of daylight per day in November in Sligo8
    8 hours of daylight per day
  • No heat & humidity in November in Sligo0
    No heat & humidity
  • 135 mm monthly rainfall in November in Sligo135
    135 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Sligo1
    1 (Low) UV index
  • 11°C sea temperature in November in Sligo11
    11°C sea temperature

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Sligo weather in December

Expect daytime maximum temperatures of 8°C in Sligo, Ireland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 141 mm of rainfall in the month.

  • 8°C maximum daytime temperature in December in Sligo8
    8°C max day temperature
  • 1 hour of sunshine per day
  • 23 days with some rainfall in December in Sligo23
    23 days with some rainfall
  • 2°C minimum night-time temperature in December in Sligo2
    2°C min night temperature
  • 7 hours of daylight per day in December in Sligo7
    7 hours of daylight per day
  • No heat & humidity in December in Sligo0
    No heat & humidity
  • 141 mm monthly rainfall in December in Sligo141
    141 mm of monthly rainfall
  • No UV (maximum) index in December in Sligo0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Sligo10
    10°C sea temperature

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More about Sligo

Sligo by month

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

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The climate guide for Ireland (Sligo) 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.

Compare Sligo weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Sligo, County Sligo, Ireland and the UK (London).

Maximum daytime temperature (°C)

Sligo, County Sligo, Ireland
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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