Climate averages 1991–2020
Cao Bằng weather
in August.
A hot, very wet month: the warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Cao Bằng: daytime highs average 30.6°C and nights cool to about 24.2°C. By daytime temperature it is the warmest month of the year.
Expect about 268 mm of rain on roughly 24 days, which makes August a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 55 min on an average August day.
The nearest other city in this atlas is Pingxiang, China (81 km away). In August its highs average 29.3°C, 1.2°C cooler than Cao Bằng, with 256 mm of rain.
Among the 136 cities listed in Vietnam, Cao Bằng ranks joint 70th of 136 for the warmest August highs and joint 70th of 136 for the driest August (rainfall, lowest first). The mean August high of those 136 cities is 30.5°C; Cao Bằng is 0.1°C warmer than that mean.
From August to September, average highs fall by 1.1°C to 29.4°C, and monthly rainfall falls from 268 mm to 156 mm.
The annual picture
August 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
Cao Bằng climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.2°C11.3°C | 11.3°C | 66 | 13.3 | 10.911 h |
| February | 19.4°C13.0°C | 13.0°C | 53 | 11.6 | 11.411 h |
| March | 22.8°C16.3°C | 16.3°C | 89 | 16.0 | 12.012 h |
| April | 26.9°C20.0°C | 20.0°C | 111 | 17.1 | 12.713 h |
| May | 29.2°C22.5°C | 22.5°C | 213 | 22.3 | 13.213 h |
| June | 30.5°C24.3°C | 24.3°C | 293 | 25.2 | 13.513 h |
| July | 30.5°C24.6°C | 24.6°C | 302 | 26.4 | 13.413 h |
| August, selected | 30.6°C24.2°C | 24.2°C | 268 | 24.4 | 12.913 h |
| September | 29.4°C22.5°C | 22.5°C | 156 | 16.8 | 12.312 h |
| October | 26.9°C19.7°C | 19.7°C | 87 | 12.0 | 11.612 h |
| November | 23.3°C15.8°C | 15.8°C | 69 | 9.7 | 11.111 h |
| December | 18.9°C11.8°C | 11.8°C | 50 | 9.4 | 10.811 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
August in nearby cities
- Pingxiang, China in AugustChina · 81 kmHigh 29.3°C · Low 23.1°C · 256 mm rain
- Lạng Sơn in AugustVietnam · 104 kmHigh 30.0°C · Low 24.1°C · 285 mm rain
- Chongzuo in AugustChina · 118 kmHigh 31.0°C · Low 24.5°C · 258 mm rain
- Thái Nguyên in AugustVietnam · 126 kmHigh 31.1°C · Low 24.9°C · 380 mm rain
- Thị Trấn Đại Từ in AugustVietnam · 131 kmHigh 31.5°C · Low 25.5°C · 343 mm rain
- Thành phố Sông Công in AugustVietnam · 139 kmHigh 31.3°C · Low 25.1°C · 380 mm rain
- Baise in AugustChina · 141 kmHigh 31.1°C · Low 23.9°C · 211 mm rain
- Tuyên Quang in AugustVietnam · 142 kmHigh 31.3°C · Low 25.2°C · 412 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 Cao Bằng) is explained once on the Cao Bằng year overview and on the Sources, method and limits page.