Climate averages 1991–2020
Cao Bằng weather
in July.
A hot, very wet month: the joint 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Cao Bằng: daytime highs average 30.5°C and nights cool to about 24.6°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 302 mm of rain on roughly 26 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 23 min on an average July day.
The nearest other city in this atlas is Pingxiang, China (81 km away). In July its highs average 29.7°C, 0.8°C cooler than Cao Bằng, with 246 mm of rain.
Among the 136 cities listed in Vietnam, Cao Bằng ranks joint 73rd of 136 for the warmest July highs and joint 112th of 136 for the driest July (rainfall, lowest first). The mean July high of those 136 cities is 30.8°C; Cao Bằng is 0.2°C cooler than that mean.
From July to August, average highs stay level at 30.6°C, and monthly rainfall falls from 302 mm to 268 mm.
The annual picture
July 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, selected | 30.5°C24.6°C | 24.6°C | 302 | 26.4 | 13.413 h |
| August | 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
July in nearby cities
- Pingxiang, China in JulyChina · 81 kmHigh 29.7°C · Low 23.8°C · 246 mm rain
- Lạng Sơn in JulyVietnam · 104 kmHigh 30.3°C · Low 24.6°C · 270 mm rain
- Chongzuo in JulyChina · 118 kmHigh 31.4°C · Low 25.0°C · 250 mm rain
- Thái Nguyên in JulyVietnam · 126 kmHigh 31.5°C · Low 25.3°C · 353 mm rain
- Thị Trấn Đại Từ in JulyVietnam · 131 kmHigh 31.9°C · Low 25.9°C · 352 mm rain
- Thành phố Sông Công in JulyVietnam · 139 kmHigh 31.7°C · Low 25.6°C · 353 mm rain
- Baise in JulyChina · 141 kmHigh 31.2°C · Low 24.2°C · 243 mm rain
- Tuyên Quang in JulyVietnam · 142 kmHigh 31.6°C · Low 25.5°C · 365 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.