Average annual temperature is 27.8 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Phumĭ Kâmpóng Siĕm
* Weather data for Phumĭ Kâmpóng Siĕm Cambodia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.0 | 34.1 | 36.2 | 37.2 | 37.4 | 34.8 | 33.6 | 33.5 | 32.0 | 31.8 | 33.1 | 34.1 |
| Average daytime temperature (°C) | 30.4 | 33.0 | 34.5 | 34.8 | 34.4 | 32.9 | 31.6 | 32.0 | 31.2 | 31.1 | 31.0 | 32.4 |
| Average temperature (°C) | 25.5 | 27.9 | 28.9 | 30.1 | 29.7 | 28.4 | 27.5 | 27.8 | 27.0 | 26.8 | 26.7 | 27.6 |
| Average night temperature (°C) | 21.3 | 23.1 | 23.6 | 25.9 | 26.4 | 25.7 | 25.1 | 25.3 | 24.6 | 24.0 | 23.3 | 23.4 |
| Absolute minimum temperature (°C) | 18.4 | 21.8 | 20.2 | 24.5 | 24.7 | 24.1 | 23.7 | 23.9 | 23.8 | 23.2 | 20.0 | 20.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.2 | 10.0 | 11.0 | 10.3 | 9.9 | 9.1 | 8.0 | 9.1 | 7.4 | 8.3 | 9.7 | 9.9 |
| Precipitation (mm) | 67 | 21 | 3 | 81 | 208 | 205 | 457 | 266 | 398 | 429 | 251 | 6 |
| Sunny days | 16 | 15 | 23 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 10 | 18 |
| Rainy days | 15 | 13 | 8 | 29 | 28 | 29 | 31 | 30 | 30 | 31 | 20 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Phumĭ Kâmpóng Siĕm is at