Average annual temperature is 15.2 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 232 days
Number of rainy days: 133 days
Look at detailed online map of Colombo
* Weather data for Colombo South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.0 | 30.8 | 27.6 | 26.0 | 23.8 | 20.3 | 21.1 | 22.1 | 29.2 | 32.9 | 34.9 | 33.7 |
| Average daytime temperature (°C) | 28.2 | 25.3 | 25.0 | 22.0 | 17.7 | 14.1 | 14.8 | 18.4 | 21.7 | 24.9 | 27.9 | 26.8 |
| Average temperature (°C) | 21.2 | 19.1 | 18.1 | 14.8 | 11.2 | 7.8 | 7.8 | 11.0 | 14.2 | 17.2 | 20.6 | 19.9 |
| Average night temperature (°C) | 14.9 | 13.8 | 12.3 | 8.4 | 5.8 | 2.5 | 1.9 | 4.2 | 6.7 | 9.6 | 13.1 | 13.8 |
| Absolute minimum temperature (°C) | 7.1 | 9.0 | 6.2 | 3.0 | -1.1 | -1.1 | -3.6 | -2.5 | -1.5 | 3.5 | 4.4 | 9.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.2 | 9.9 | 10.5 | 10.0 | 8.8 | 8.9 | 9.0 | 10.0 | 10.1 | 10.9 | 11.8 | 11.5 |
| Precipitation (mm) | 70 | 131 | 65 | 22 | 33 | 10 | 5 | 0 | 25 | 36 | 12 | 109 |
| Sunny days | 12 | 7 | 13 | 23 | 18 | 25 | 25 | 29 | 25 | 22 | 22 | 11 |
| Rainy days | 19 | 21 | 18 | 7 | 13 | 5 | 6 | 2 | 5 | 9 | 8 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Colombo is at