Climate averages 1991–2020
Ba Vì weather
in May.
A hot, very wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Ba Vì: daytime highs average 29.0°C and nights cool to about 22.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 244 mm of rain on roughly 18 days, which makes May a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 08 min on an average May day.
The nearest other city in this atlas is Sơn Tây (14 km away). In May its highs average 31.1°C, 2.0°C warmer than Ba Vì, with 201 mm of rain.
Among the 136 cities listed in Vietnam, Ba Vì ranks joint 127th of 136 for the warmest May highs and joint 117th of 136 for the driest May (rainfall, lowest first). The mean May high of those 136 cities is 31.2°C; Ba Vì is 2.2°C cooler than that mean.
From May to June, average highs rise by 1.3°C to 30.3°C, and monthly rainfall falls from 244 mm to 231 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ba Vì climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.3°C12.0°C | 12.0°C | 37 | 7.6 | 11.011 h |
| February | 19.5°C13.5°C | 13.5°C | 24 | 6.6 | 11.411 h |
| March | 22.9°C16.4°C | 16.4°C | 51 | 9.0 | 12.012 h |
| April | 26.9°C19.8°C | 19.8°C | 104 | 11.1 | 12.613 h |
| May, selected | 29.0°C22.2°C | 22.2°C | 244 | 18.3 | 13.113 h |
| June | 30.3°C23.8°C | 23.8°C | 231 | 19.0 | 13.413 h |
| July | 29.9°C23.8°C | 23.8°C | 278 | 21.1 | 13.313 h |
| August | 29.2°C23.3°C | 23.3°C | 330 | 22.9 | 12.913 h |
| September | 27.9°C22.2°C | 22.2°C | 236 | 18.4 | 12.312 h |
| October | 25.6°C19.9°C | 19.9°C | 133 | 12.0 | 11.712 h |
| November | 22.5°C16.5°C | 16.5°C | 58 | 7.4 | 11.211 h |
| December | 18.5°C12.8°C | 12.8°C | 32 | 6.3 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Sơn Tây in MayVietnam · 14 kmHigh 31.1°C · Low 24.3°C · 201 mm rain
- Việt Trì in MayVietnam · 27 kmHigh 30.9°C · Low 24.2°C · 201 mm rain
- Hòa Bình in MayVietnam · 30 kmHigh 31.6°C · Low 24.7°C · 241 mm rain
- Vĩnh Yên in MayVietnam · 34 kmHigh 31.0°C · Low 24.3°C · 201 mm rain
- Phúc Yên in MayVietnam · 37 kmHigh 31.0°C · Low 24.2°C · 241 mm rain
- Bắc Từ Liêm in MayVietnam · 38 kmHigh 31.0°C · Low 24.2°C · 232 mm rain
- Phú Thọ in MayVietnam · 39 kmHigh 30.9°C · Low 24.1°C · 219 mm rain
- Tây Hồ in MayVietnam · 44 kmHigh 31.0°C · Low 24.2°C · 232 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ba Vì) is explained once on the Ba Vì year overview and on the Sources, method and limits page.