Annual mean 24°C · wettest around August · prevailing wind E
Warmest
32.4 °C
Coldest
19.2 °C
Wettest
69%
Windiest
3.3 m/s
Prevailing
E
2.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Hạ Long over the whole year is 24°C. June is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 16°C. The rainy (wet) season in Hạ Long runs from May to October, peaking in August with a 62% chance of rain on a given day. The dry season is November to April; December is the driest month, at 24%. Winds in Hạ Long are highest in May, averaging 2.7 m/s (10 km/h), and lightest in March, at 2.2 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Hạ Long come in September, when the sky is typically 59% covered; March is the cloudiest month, at 86%.
Month by month Hạ Long climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
20°C
16°C
19°C
26%
79%
2.3 m/s
71
16
62
February
20°C
17°C
20°C
25%
84%
2.3 m/s
69
21
55
March
23°C
20°C
25°C
25%
86%
2.2 m/s
63
41
31
April
26°C
23°C
29°C
32%
82%
2.4 m/s
30
47
11
May
30°C
26°C
34°C
46%
70%
2.7 m/s
7
29
1
June
32°C
28°C
37°C
58%
64%
2.7 m/s
1
10
0
July
32°C
28°C
37°C
57%
63%
2.5 m/s
0
9
0
August
31°C
27°C
37°C
62%
64%
2.3 m/s
1
14
0
September
31°C
26°C
35°C
59%
59%
2.2 m/s
3
20
0
October
28°C
23°C
30°C
45%
61%
2.6 m/s
25
48
8
November
26°C
21°C
27°C
31%
63%
2.3 m/s
44
53
19
December
21°C
16°C
21°C
24%
72%
2.4 m/s
71
20
60
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Hạ Long weather by season
Year round, Hạ Long has days of about 20°C at their warmest in January, its coolest month, and 32°C in June, its warmest; the coolest hours of the day run from 16°C to 28°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around August and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Hạ Long weather in winterDecember to February
High 20°CLow 16°CRain 25%
Winter in Hạ Long has typical daily highs of about 20°C and lows of about 16°C, with a 25% chance of rain on a given day.
Hạ Long weather in springMarch to May
High 26°CLow 23°CRain 34%
Spring in Hạ Long has typical daily highs of about 26°C and lows of about 23°C, with a 34% chance of rain on a given day.
Hạ Long weather in summerJune to August
High 32°CLow 28°CRain 59%
Summer in Hạ Long has typical daily highs of about 32°C and lows of about 28°C, with a 59% chance of rain on a given day.
Hạ Long weather in autumnSeptember to November
High 28°CLow 23°CRain 45%
Autumn in Hạ Long has typical daily highs of about 28°C and lows of about 23°C, with a 45% chance of rain on a given day.
When is the rainy season in Hạ Long?
The rainy (wet) season in Hạ Long runs from May to October, peaking in August with a 62% chance of rain on a given day. The dry season is November to April; December is the driest month, at 24%.
What time of year is Hạ Long windiest?
Winds in Hạ Long are highest in May, averaging 2.7 m/s (10 km/h), and lightest in March, at 2.2 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Hạ Long year round?
The average temperature in Hạ Long over the whole year is 24°C. June is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 16°C.