Climate averages 1991–2020
Kampong Chhnang weather
in August.
A hot, very wet month: the 8th 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 Kampong Chhnang: daytime highs average 31.5°C and nights cool to about 24.7°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 186 mm of rain on roughly 27 days, which makes August a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 32 min on an average August day.
The nearest other city in this atlas is Phnom Penh (81 km away). In August its highs average 31.7°C, about as warm as Kampong Chhnang, with 178 mm of rain.
Among the 8 cities listed in Cambodia, Kampong Chhnang ranks 4th of 8 for the warmest August highs and 7th of 8 for the driest August (rainfall, lowest first). The mean August high of those 8 cities is 30.9°C; Kampong Chhnang is 0.6°C warmer than that mean.
From August to September, average highs fall by 0.7°C to 30.8°C, and monthly rainfall rises from 186 mm to 234 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
Kampong Chhnang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.9°C22.5°C | 22.5°C | 10 | 1.9 | 11.511 h |
| February | 33.5°C23.9°C | 23.9°C | 8.5 | 1.8 | 11.712 h |
| March | 34.8°C25.6°C | 25.6°C | 43 | 6.3 | 12.112 h |
| April | 34.9°C26.1°C | 26.1°C | 86 | 14.1 | 12.412 h |
| May | 33.6°C25.9°C | 25.9°C | 151 | 22.5 | 12.713 h |
| June | 32.2°C25.3°C | 25.3°C | 158 | 23.5 | 12.813 h |
| July | 31.7°C24.9°C | 24.9°C | 166 | 25.6 | 12.813 h |
| August, selected | 31.5°C24.7°C | 24.7°C | 186 | 26.7 | 12.513 h |
| September | 30.8°C24.5°C | 24.5°C | 234 | 26.6 | 12.212 h |
| October | 30.3°C24.0°C | 24.0°C | 209 | 22.8 | 11.912 h |
| November | 30.4°C23.3°C | 23.3°C | 71 | 9.8 | 11.612 h |
| December | 30.5°C22.4°C | 22.4°C | 22 | 3.4 | 11.411 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
- Phnom Penh in AugustCambodia · 81 kmHigh 31.7°C · Low 24.9°C · 178 mm rain
- Dangkao in AugustCambodia · 86 kmHigh 31.6°C · Low 24.9°C · 178 mm rain
- Takeo in AugustCambodia · 141 kmHigh 31.0°C · Low 24.6°C · 162 mm rain
- Siem Reap in AugustCambodia · 151 kmHigh 31.0°C · Low 25.1°C · 162 mm rain
- Tân Châu in AugustVietnam · 173 kmHigh 31.0°C · Low 24.8°C · 215 mm rain
- Hồng Ngự in AugustVietnam · 178 kmHigh 31.0°C · Low 24.8°C · 215 mm rain
- Châu Đốc in AugustVietnam · 179 kmHigh 30.6°C · Low 24.8°C · 220 mm rain
- Battambang in AugustCambodia · 185 kmHigh 32.1°C · Low 25.2°C · 124 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 Kampong Chhnang) is explained once on the Kampong Chhnang year overview and on the Sources, method and limits page.