Weather in Hạ Long, Vietnam
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 15°C | 19°C | 33.4 mm | 61% | 30.8 km/h |
| February | 16°C | 20°C | 43.2 mm | 71% | 30.5 km/h |
| March | 19°C | 23°C | 37.6 mm | 69% | 31.2 km/h |
| April | 23°C | 27°C | 64.8 mm | 63% | 32.6 km/h |
| May | 25°C | 29°C | 164.0 mm | 72% | 33.6 km/h |
| June | 27°C | 31°C | 311.3 mm | 90% | 34.3 km/h |
| July | 27°C | 31°C | 332.4 mm | 78% | 32.3 km/h |
| August | 27°C | 31°C | 388.5 mm | 86% | 30.4 km/h |
| September | 26°C | 30°C | 404.2 mm | 78% | 31.0 km/h |
| October | 23°C | 28°C | 149.3 mm | 57% | 34.4 km/h |
| November | 20°C | 26°C | 35.9 mm | 48% | 32.0 km/h |
| December | 16°C | 21°C | 16.7 mm | 55% | 31.5 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 25.9% | |
| February | 24.6% | |
| March | 28.6% | |
| April | 27.2% | |
| May | 6.8% | |
| June | 0.0% | |
| July | 0.0% | |
| August | <0.1% | |
| September | 0.3% | |
| October | 25.0% | |
| November | 48.7% | |
| December | 40.5% |
About this location and data
- Urban-centre population
- 130,585
- Elevation
- 90 m
- Coordinates
- 20.96°N, 107.11°E
- Urban area
- 45 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: