Average annual temperature is 27.0 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: 20.8 °C
Number of sunny days: 35 days
Number of rainy days: 330 days
Look at detailed online map of Ong
* Weather data for Ong 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) | 31.6 | 31.9 | 32.1 | 33.4 | 32.8 | 30.8 | 30.9 | 30.7 | 30.8 | 30.8 | 32.1 | 32.8 |
| Average daytime temperature (°C) | 29.4 | 30.3 | 30.8 | 31.4 | 30.9 | 29.6 | 28.5 | 29.0 | 28.4 | 29.5 | 30.6 | 30.9 |
| Average temperature (°C) | 25.7 | 26.4 | 27.0 | 28.2 | 28.5 | 27.5 | 26.6 | 26.9 | 26.2 | 26.7 | 27.0 | 27.4 |
| Average night temperature (°C) | 22.7 | 23.0 | 23.8 | 25.1 | 26.1 | 25.3 | 24.6 | 24.7 | 24.3 | 24.5 | 24.3 | 24.4 |
| Absolute minimum temperature (°C) | 20.8 | 21.1 | 22.0 | 23.2 | 24.1 | 23.8 | 23.8 | 23.5 | 23.3 | 23.6 | 22.8 | 23.4 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 9.4 | 10.5 | 11.1 | 10.9 | 9.7 | 8.4 | 6.9 | 9.2 | 5.7 | 9.0 | 9.9 | 9.9 |
| Precipitation (mm) | 105 | 77 | 37 | 85 | 228 | 349 | 800 | 397 | 582 | 358 | 167 | 64 |
| Sunny days | 10 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 8 |
| Rainy days | 21 | 21 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ong is at