Average annual temperature is 15.5 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 184 days
Number of rainy days: 181 days
Look at detailed online map of Seplan
* Weather data for Seplan 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) | 33.7 | 31.7 | 29.5 | 28.5 | 25.9 | 22.0 | 23.8 | 26.2 | 32.1 | 33.5 | 36.8 | 34.5 |
| Average daytime temperature (°C) | 26.8 | 24.6 | 25.1 | 22.7 | 17.8 | 16.1 | 17.0 | 21.0 | 22.0 | 21.8 | 28.0 | 24.8 |
| Average temperature (°C) | 20.5 | 19.1 | 18.7 | 15.8 | 12.1 | 10.4 | 10.2 | 12.9 | 14.3 | 14.8 | 19.7 | 18.0 |
| Average night temperature (°C) | 14.8 | 14.7 | 13.5 | 9.9 | 7.1 | 5.6 | 4.4 | 6.1 | 6.9 | 8.7 | 12.7 | 12.9 |
| Absolute minimum temperature (°C) | 8.0 | 9.8 | 6.2 | 3.4 | 0.9 | 0.8 | -1.5 | -1.2 | -1.6 | 2.7 | 6.3 | 9.6 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 10.3 | 8.9 | 10.2 | 9.7 | 7.5 | 8.5 | 8.9 | 9.7 | 9.6 | 9.0 | 11.1 | 8.8 |
| Precipitation (mm) | 140 | 144 | 67 | 45 | 82 | 17 | 12 | 7 | 29 | 47 | 72 | 141 |
| Sunny days | 11 | 5 | 9 | 19 | 15 | 22 | 23 | 26 | 24 | 15 | 10 | 5 |
| Rainy days | 20 | 23 | 22 | 11 | 16 | 8 | 8 | 5 | 6 | 16 | 20 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seplan is at