Average annual temperature is 15.2 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of Boston
* Weather data for Boston 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) | 32.0 | 30.8 | 29.5 | 26.8 | 25.6 | 23.7 | 23.7 | 27.0 | 32.7 | 34.4 | 31.5 | 29.7 |
| Average daytime temperature (°C) | 25.5 | 23.3 | 23.3 | 22.0 | 18.3 | 17.9 | 16.6 | 19.7 | 22.8 | 20.6 | 23.9 | 22.3 |
| Average temperature (°C) | 19.5 | 18.2 | 17.8 | 15.5 | 12.7 | 11.2 | 10.1 | 12.5 | 15.2 | 14.7 | 18.1 | 17.3 |
| Average night temperature (°C) | 14.5 | 14.4 | 13.5 | 10.1 | 8.1 | 5.8 | 4.6 | 6.6 | 9.1 | 9.2 | 12.8 | 13.3 |
| Absolute minimum temperature (°C) | 7.5 | 11.5 | 8.0 | 5.4 | 1.5 | 2.9 | -0.5 | 0.3 | 1.8 | 1.6 | 3.2 | 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 | 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) | 10.2 | 8.2 | 9.8 | 9.7 | 8.1 | 8.8 | 8.2 | 9.4 | 9.4 | 7.9 | 9.5 | 7.2 |
| Precipitation (mm) | 131 | 165 | 78 | 46 | 90 | 5 | 23 | 10 | 28 | 140 | 62 | 179 |
| Sunny days | 12 | 4 | 4 | 20 | 16 | 22 | 21 | 23 | 15 | 10 | 6 | 1 |
| Rainy days | 19 | 24 | 27 | 10 | 15 | 8 | 10 | 8 | 15 | 21 | 24 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boston is at