Ha Long Bay weather by month

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

Temperature in Ha Long Bay (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
68°F maximum daytime temperature in January in Ha Long Bay68
68°F maximum daytime temperature in February in Ha Long Bay68
73°F maximum daytime temperature in March in Ha Long Bay73
81°F maximum daytime temperature in April in Ha Long Bay81
88°F maximum daytime temperature in May in Ha Long Bay88
90°F maximum daytime temperature in June in Ha Long Bay90
90°F maximum daytime temperature in July in Ha Long Bay90
90°F maximum daytime temperature in August in Ha Long Bay90
88°F maximum daytime temperature in September in Ha Long Bay88
84°F maximum daytime temperature in October in Ha Long Bay84
77°F maximum daytime temperature in November in Ha Long Bay77
72°F maximum daytime temperature in December in Ha Long Bay72
Min temperature (night-time)
55°F minimum night-time temperature in January in Ha Long Bay55
57°F minimum night-time temperature in February in Ha Long Bay57
63°F minimum night-time temperature in March in Ha Long Bay63
70°F minimum night-time temperature in April in Ha Long Bay70
75°F minimum night-time temperature in May in Ha Long Bay75
77°F minimum night-time temperature in June in Ha Long Bay77
79°F minimum night-time temperature in July in Ha Long Bay79
77°F minimum night-time temperature in August in Ha Long Bay77
75°F minimum night-time temperature in September in Ha Long Bay75
70°F minimum night-time temperature in October in Ha Long Bay70
63°F minimum night-time temperature in November in Ha Long Bay63
57°F minimum night-time temperature in December in Ha Long Bay57
Heat & Humidity
No heat & humidity in January in Ha Long Bay0
No heat & humidity in February in Ha Long Bay0
No heat & humidity in March in Ha Long Bay0
Moderate heat & humidity in April in Ha Long BayM
Very high heat & humidity in May in Ha Long BayVH
Very high heat & humidity in June in Ha Long BayVH
Very high heat & humidity in July in Ha Long BayVH
Very high heat & humidity in August in Ha Long BayVH
Very high heat & humidity in September in Ha Long BayVH
High heat & humidity in October in Ha Long BayH
Low heat & humidity in November in Ha Long BayL
No heat & humidity in December in Ha Long Bay0
Sea temperature
66°F sea temperature in January in Ha Long Bay66
66°F sea temperature in February in Ha Long Bay66
68°F sea temperature in March in Ha Long Bay68
73°F sea temperature in April in Ha Long Bay73
81°F sea temperature in May in Ha Long Bay81
84°F sea temperature in June in Ha Long Bay84
84°F sea temperature in July in Ha Long Bay84
86°F sea temperature in August in Ha Long Bay86
84°F sea temperature in September in Ha Long Bay84
82°F sea temperature in October in Ha Long Bay82
77°F sea temperature in November in Ha Long Bay77
72°F sea temperature in December in Ha Long Bay72

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

Sunshine & Daylight in Ha Long Bay

  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 Ha Long Bay11
11 hours of daylight per day in February in Ha Long Bay11
12 hours of daylight per day in March in Ha Long Bay12
13 hours of daylight per day in April in Ha Long Bay13
13 hours of daylight per day in May in Ha Long Bay13
13 hours of daylight per day in June in Ha Long Bay13
13 hours of daylight per day in July in Ha Long Bay13
13 hours of daylight per day in August in Ha Long Bay13
12 hours of daylight per day in September in Ha Long Bay12
12 hours of daylight per day in October in Ha Long Bay12
11 hours of daylight per day in November in Ha Long Bay11
11 hours of daylight per day in December in Ha Long Bay11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Ha Long Bay8
UV (maximum) index 10 (Very High) in February in Ha Long Bay10
UV (maximum) index 11+ (Extreme) in March in Ha Long Bay11
UV (maximum) index 11+ (Extreme) in April in Ha Long Bay11
UV (maximum) index 11+ (Extreme) in May in Ha Long Bay11
UV (maximum) index 11+ (Extreme) in June in Ha Long Bay11
UV (maximum) index 11+ (Extreme) in July in Ha Long Bay11
UV (maximum) index 11+ (Extreme) in August in Ha Long Bay11
UV (maximum) index 11 (Extreme) in September in Ha Long Bay11
UV (maximum) index 10 (Very High) in October in Ha Long Bay10
UV (maximum) index 8 (Very High) in November in Ha Long Bay8
UV (maximum) index 7 (High) in December in Ha Long Bay7

Rainfall in Ha Long Bay

  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 Ha Long Bay10
11 days with some rainfall in February in Ha Long Bay11
13 days with some rainfall in March in Ha Long Bay13
13 days with some rainfall in April in Ha Long Bay13
14 days with some rainfall in May in Ha Long Bay14
15 days with some rainfall in June in Ha Long Bay15
15 days with some rainfall in July in Ha Long Bay15
16 days with some rainfall in August in Ha Long Bay16
14 days with some rainfall in September in Ha Long Bay14
11 days with some rainfall in October in Ha Long Bay11
8 days with some rainfall in November in Ha Long Bay8
7 days with some rainfall in December in Ha Long Bay7
Average monthly rainfall (inches)
1.1 inches monthly rainfall in January in Ha Long Bay1.1
1.2 inches monthly rainfall in February in Ha Long Bay1.2
1.7 inches monthly rainfall in March in Ha Long Bay1.7
3.6 inches monthly rainfall in April in Ha Long Bay3.6
6.6 inches monthly rainfall in May in Ha Long Bay6.6
9.6 inches monthly rainfall in June in Ha Long Bay9.6
10.5 inches monthly rainfall in July in Ha Long Bay10.5
12.3 inches monthly rainfall in August in Ha Long Bay12.3
8.1 inches monthly rainfall in September in Ha Long Bay8.1
4.7 inches monthly rainfall in October in Ha Long Bay4.7
2.2 inches monthly rainfall in November in Ha Long Bay2.2
0.9 inches monthly rainfall in December in Ha Long Bay0.9

More about Ha Long Bay

Ha Long Bay by month

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

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The climate guide for Vietnam (Ha Long Bay) 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 Ha Long Bay?

Ha Long Bay has a temperate climate with hot summers and dry winters.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Ha Long Bay, Vietnam typhoon season

% of month affected by tropical storms
0
0
0
0
0
3.3%
6.9%
8.6%
7.9%
3.5%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about Vietnam

Compare Ha Long Bay with the USA

Below the Ha Long Bay chart shows average maximum daytime temperature for Ha Long Bay, Vietnam and the USA (Washington).

Maximum daytime temperature (°F)

Ha Long Bay, Vietnam
USA (Washington)
68
41
68
45
73
55
81
66
88
75
90
84
90
88
90
86
88
79
84
68
77
57
72
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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