Average annual temperature is 17.8 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Finchley
* Weather data for Finchley 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) | 36.5 | 35.6 | 34.7 | 31.7 | 29.7 | 27.3 | 28.8 | 32.6 | 36.6 | 37.3 | 36.2 | 34.0 |
| Average daytime temperature (°C) | 29.0 | 26.6 | 26.6 | 25.1 | 21.1 | 20.4 | 20.7 | 23.2 | 24.8 | 23.2 | 27.4 | 24.9 |
| Average temperature (°C) | 22.6 | 21.4 | 20.8 | 18.4 | 15.3 | 13.3 | 13.0 | 15.1 | 17.0 | 17.0 | 20.7 | 19.7 |
| Average night temperature (°C) | 17.5 | 17.5 | 16.5 | 13.3 | 10.8 | 8.1 | 7.6 | 8.8 | 11.4 | 12.0 | 15.1 | 15.7 |
| Absolute minimum temperature (°C) | 11.6 | 13.4 | 10.7 | 8.4 | 5.7 | 5.7 | 3.9 | 3.5 | 6.0 | 5.2 | 7.2 | 11.2 |
| 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 | 10.2 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 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 | 13.0 |
| Sunshine mean duration (h) | 9.7 | 7.6 | 9.0 | 8.9 | 7.5 | 8.3 | 8.3 | 8.7 | 8.7 | 7.7 | 9.3 | 6.5 |
| Precipitation (mm) | 131 | 146 | 68 | 39 | 107 | 32 | 20 | 13 | 37 | 158 | 52 | 171 |
| Sunny days | 9 | 4 | 7 | 15 | 18 | 22 | 24 | 24 | 16 | 11 | 11 | 3 |
| Rainy days | 22 | 24 | 24 | 15 | 13 | 8 | 7 | 7 | 14 | 20 | 19 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Finchley is at