City · Vietnam
Best time to visit Ha Long
The best time to visit Ha Long is November–March, with daytime temperatures around 20°C.
Ha Long at a glance: warmest in July with daytime temperatures around 33°C and coolest in January (20°C). The wettest month is August (331 mm) and the driest February (29 mm), with about 1,620 mm of rain a year. The sea is warmest in July (31°C). Sunniest in October.
Loading climate data…
Ha Long
0 mPleasantly warm
77
20°/14°19°30 mm25 %11 h
A typical mid-January in Ha Long
Sunny 5Cloudy 18Rain 7
Daytime temperature (night ☾)
16°23°12°38°
Sea temperature
19°12°38°
Daylight (solar time)
06:3017:30
0006121824
11 h
Precipitation
0340 mm
30 mm
Air feel
FreshComfortableHumidMuggy
RH 75 %
Month by month
| Month | Score | Day | Night | Sea | Rain | Wet days (≥ 1 mm) | Sun | Daylight | Feels like |
|---|---|---|---|---|---|---|---|---|---|
| January | 77 | 20° | 14° | 19° | 31 mm | 7 | 25 % | 11 h | Pleasantly warm |
| February | 77 | 22° | 16° | 19° | 29 mm | 7 | 26 % | 11 h | Pleasantly warm |
| March | 66 | 25° | 19° | 21° | 48 mm | 9 | 24 % | 12 h | Warm, showery and grey |
| April | 60 | 29° | 22° | 24° | 72 mm | 9 | 24 % | 13 h | Warm, muggy and grey |
| May | 36 | 32° | 24° | 28° | 172 mm | 12 | 29 % | 13 h | Hot, showery and muggy |
| June | 24 | 33° | 26° | 30° | 242 mm | 13 | 22 % | 13 h | Rainy season · hot, showery and muggy |
| July | 25 | 33° | 26° | 31° | 295 mm | 14 | 28 % | 13 h | Rainy season · hot, showery and muggy |
| August | 24 | 33° | 25° | 31° | 331 mm | 14 | 26 % | 13 h | Rainy season · hot, showery and muggy |
| September | 39 | 32° | 24° | 30° | 204 mm | 11 | 33 % | 12 h | Rainy season · hot, showery and muggy |
| October | 64 | 29° | 22° | 28° | 111 mm | 8 | 36 % | 12 h | Warm and muggy |
| November | 82 | 26° | 19° | 25° | 52 mm | 6 | 35 % | 11 h | Warm |
| December | 85 | 22° | 15° | 21° | 29 mm | 5 | 31 % | 11 h | Pleasantly warm |
The score (0–100) is calculated from a range of variables, and changes with your filter settings.
Climate averages 2016–2025 (ERA5, CRU TS). Sea temperature from ERA5. Not a forecast. Elevation: 0 m. Coordinates: 20.91, 107.18.