Hanoi climate guide

Temperature in Hanoi (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
20°C maximum daytime temperature in January in Hanoi20
20°C maximum daytime temperature in February in Hanoi20
23°C maximum daytime temperature in March in Hanoi23
27°C maximum daytime temperature in April in Hanoi27
32°C maximum daytime temperature in May in Hanoi32
33°C maximum daytime temperature in June in Hanoi33
33°C maximum daytime temperature in July in Hanoi33
32°C maximum daytime temperature in August in Hanoi32
31°C maximum daytime temperature in September in Hanoi31
29°C maximum daytime temperature in October in Hanoi29
25°C maximum daytime temperature in November in Hanoi25
22°C maximum daytime temperature in December in Hanoi22
Min temperature (night-time)
14°C minimum night-time temperature in January in Hanoi14
15°C minimum night-time temperature in February in Hanoi15
18°C minimum night-time temperature in March in Hanoi18
21°C minimum night-time temperature in April in Hanoi21
25°C minimum night-time temperature in May in Hanoi25
26°C minimum night-time temperature in June in Hanoi26
26°C minimum night-time temperature in July in Hanoi26
26°C minimum night-time temperature in August in Hanoi26
25°C minimum night-time temperature in September in Hanoi25
22°C minimum night-time temperature in October in Hanoi22
19°C minimum night-time temperature in November in Hanoi19
15°C minimum night-time temperature in December in Hanoi15

Sunshine & Daylight in Hanoi

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Hanoi11
11 hours of daylight per day in February in Hanoi11
12 hours of daylight per day in March in Hanoi12
13 hours of daylight per day in April in Hanoi13
13 hours of daylight per day in May in Hanoi13
13 hours of daylight per day in June in Hanoi13
13 hours of daylight per day in July in Hanoi13
13 hours of daylight per day in August in Hanoi13
12 hours of daylight per day in September in Hanoi12
12 hours of daylight per day in October in Hanoi12
11 hours of daylight per day in November in Hanoi11
11 hours of daylight per day in December in Hanoi11

Rainfall in Hanoi

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Hanoi10
12 days with some rainfall in February in Hanoi12
15 days with some rainfall in March in Hanoi15
14 days with some rainfall in April in Hanoi14
15 days with some rainfall in May in Hanoi15
15 days with some rainfall in June in Hanoi15
16 days with some rainfall in July in Hanoi16
17 days with some rainfall in August in Hanoi17
14 days with some rainfall in September in Hanoi14
11 days with some rainfall in October in Hanoi11
8 days with some rainfall in November in Hanoi8
5 days with some rainfall in December in Hanoi5
Average monthly rainfall (mm)
22 mm monthly rainfall in January in Hanoi22
28 mm monthly rainfall in February in Hanoi28
42 mm monthly rainfall in March in Hanoi42
97 mm monthly rainfall in April in Hanoi97
181 mm monthly rainfall in May in Hanoi181
242 mm monthly rainfall in June in Hanoi242
258 mm monthly rainfall in July in Hanoi258
297 mm monthly rainfall in August in Hanoi297
225 mm monthly rainfall in September in Hanoi225
125 mm monthly rainfall in October in Hanoi125
57 mm monthly rainfall in November in Hanoi57
19 mm monthly rainfall in December in Hanoi19

More climate for Hanoi

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 7 (High) in January in Hanoi7
UV (maximum) index 10 (Very High) in February in Hanoi10
UV (maximum) index 11+ (Extreme) in March in Hanoi11
UV (maximum) index 11+ (Extreme) in April in Hanoi11
UV (maximum) index 11+ (Extreme) in May in Hanoi11
UV (maximum) index 11+ (Extreme) in June in Hanoi11
UV (maximum) index 11+ (Extreme) in July in Hanoi11
UV (maximum) index 11+ (Extreme) in August in Hanoi11
UV (maximum) index 11 (Extreme) in September in Hanoi11
UV (maximum) index 10 (Very High) in October in Hanoi10
UV (maximum) index 8 (Very High) in November in Hanoi8
UV (maximum) index 7 (High) in December in Hanoi7
Heat & Humidity
No heat & humidity in January in Hanoi0
No heat & humidity in February in Hanoi0
No heat & humidity in March in Hanoi0
Moderate heat & humidity in April in HanoiM
Very high heat & humidity in May in HanoiVH
Extreme heat & humidity in June in HanoiE
Extreme heat & humidity in July in HanoiE
Very high heat & humidity in August in HanoiVH
Very high heat & humidity in September in HanoiVH
High heat & humidity in October in HanoiH
Low heat & humidity in November in HanoiL
No heat & humidity in December in Hanoi0

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

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The climate guide for Hanoi, Vietnam 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.

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