Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 233 days
Number of rainy days: 129 days
Number of snow days: 3 days
Look at detailed online map of Martlesham
* Weather data for Martlesham 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) | 34.4 | 30.8 | 30.1 | 27.2 | 23.7 | 19.5 | 20.6 | 23.0 | 30.5 | 31.1 | 36.1 | 34.9 |
| Average daytime temperature (°C) | 28.1 | 25.5 | 25.7 | 21.5 | 16.6 | 13.4 | 13.7 | 17.9 | 19.9 | 22.5 | 28.0 | 27.4 |
| Average temperature (°C) | 20.8 | 18.9 | 18.2 | 14.5 | 10.4 | 7.6 | 7.5 | 10.7 | 12.8 | 15.0 | 20.0 | 19.2 |
| Average night temperature (°C) | 14.4 | 13.3 | 11.6 | 8.1 | 5.5 | 2.9 | 2.2 | 4.2 | 5.8 | 7.9 | 11.7 | 12.3 |
| Absolute minimum temperature (°C) | 5.7 | 8.1 | 3.2 | 1.7 | -1.1 | -1.8 | -2.7 | -3.1 | -3.5 | 1.3 | 4.7 | 8.5 |
| 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 | 14.1 |
| 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) | 11.5 | 10.8 | 10.7 | 9.6 | 8.1 | 8.6 | 8.8 | 9.9 | 10.0 | 10.8 | 11.7 | 11.4 |
| Precipitation (mm) | 127 | 113 | 33 | 11 | 74 | 9 | 16 | 4 | 44 | 25 | 33 | 66 |
| Sunny days | 12 | 10 | 15 | 24 | 21 | 23 | 24 | 27 | 24 | 22 | 21 | 10 |
| Rainy days | 19 | 18 | 16 | 6 | 10 | 7 | 4 | 4 | 6 | 9 | 9 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Martlesham is at