Average annual temperature is 18.5 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 253 days
Number of rainy days: 112 days
Look at detailed online map of Atoom
* Weather data for Atoom 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) | 32.6 | 29.9 | 30.2 | 27.1 | 26.1 | 25.2 | 24.0 | 30.4 | 32.4 | 35.1 | 34.1 | 34.2 |
| Average daytime temperature (°C) | 27.7 | 25.8 | 26.4 | 24.6 | 22.3 | 20.9 | 18.4 | 22.4 | 28.0 | 29.0 | 29.1 | 28.6 |
| Average temperature (°C) | 21.7 | 20.4 | 20.4 | 18.2 | 15.7 | 13.4 | 11.6 | 14.8 | 20.1 | 21.1 | 22.1 | 22.3 |
| Average night temperature (°C) | 15.7 | 15.9 | 14.7 | 12.3 | 10.1 | 7.0 | 5.1 | 7.6 | 11.8 | 13.4 | 15.6 | 16.0 |
| Absolute minimum temperature (°C) | 12.7 | 13.0 | 10.7 | 8.6 | 5.6 | 3.9 | 0.0 | 2.8 | 7.0 | 8.4 | 8.1 | 11.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.9 | 9.8 | 10.2 | 10.4 | 9.6 | 9.8 | 9.5 | 10.3 | 11.0 | 10.4 | 11.2 | 10.9 |
| Precipitation (mm) | 60 | 110 | 35 | 6 | 62 | 0 | 12 | 0 | 3 | 66 | 44 | 140 |
| Sunny days | 17 | 7 | 16 | 24 | 21 | 28 | 30 | 31 | 28 | 24 | 16 | 11 |
| Rainy days | 14 | 21 | 15 | 6 | 10 | 2 | 1 | 0 | 2 | 7 | 14 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Atoom is at