+20.9505° · +107.0734° · ELEV 0m
Hạ Long
Vietnam · Quảng Ninh
Monthly weather averages for Hạ Long, Vietnam — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
June → JanuaryClimate Overview
Hạ Long has a temperate climate. The warmest month is June (31°C average high) and the coolest is January (20°C).
№ 02
1841 mm / yearRainfall by Month
Hạ Long sees 1841 mm of rain a year. The wettest month is August (432 mm); the driest is December (26 mm).
№ 03
April–MayBest Time to Visit
April–May
22°C – 30°C · 8.7h sun
The best time to visit Hạ Long is April–May, when temperatures average 22°C–30°C with 8.7 sunshine hours per day.
Some visitors prefer October–March for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 20.0°C | 14.3°C | 43 mm | 6.1 h | 06:31 | 17:30 |
|---|---|---|---|---|---|---|
| February | 20.6°C | 15.1°C | 46 mm | 5.6 h | 06:22 | 17:49 |
| March | 23.8°C | 18.7°C | 45 mm | 5.6 h | 06:00 | 18:00 |
| April | 26.8°C | 21.5°C | 103 mm | 7.9 h | 05:33 | 18:10 |
| May | 29.7°C | 25.0°C | 173 mm | 9.4 h | 05:14 | 18:21 |
| June | 31.3°C | 27.0°C | 253 mm | 8.8 h | 05:10 | 18:34 |
| July | 31.0°C | 26.7°C | 302 mm | 8.7 h | 05:18 | 18:36 |
| August | 30.6°C | 26.1°C | 432 mm | 7.8 h | 05:30 | 18:22 |
| September | 30.1°C | 25.2°C | 252 mm | 8.7 h | 05:38 | 17:55 |
| October | 28.1°C | 22.4°C | 122 mm | 8.6 h | 05:46 | 17:28 |
| November | 25.5°C | 19.7°C | 44 mm | 8.1 h | 06:01 | 17:10 |
| December | 21.0°C | 14.9°C | 26 mm | 6.2 h | 06:20 | 17:12 |