Average annual temperature is 9.8 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -10.1 °C
Number of sunny days: 122 days
Number of rainy days: 221 days
Number of snow days: 22 days
Look at detailed online map of Westerham
* Weather data for Westerham Germany is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.0 | 14.1 | 17.9 | 19.3 | 23.4 | 33.0 | 32.5 | 31.0 | 26.5 | 25.1 | 15.6 | 12.2 |
| Average daytime temperature (°C) | 4.8 | 6.4 | 10.1 | 9.9 | 16.4 | 23.1 | 24.3 | 22.8 | 21.9 | 17.7 | 8.0 | 6.1 |
| Average temperature (°C) | 1.4 | 1.6 | 4.9 | 5.9 | 12.0 | 17.8 | 19.3 | 18.2 | 16.6 | 12.3 | 4.4 | 2.4 |
| Average night temperature (°C) | -1.6 | -2.5 | 0.5 | 1.9 | 7.0 | 11.9 | 14.7 | 14.3 | 12.1 | 7.7 | 1.3 | -0.8 |
| Absolute minimum temperature (°C) | -9.2 | -10.1 | -5.4 | -4.0 | 2.6 | 7.0 | 9.3 | 9.0 | 7.5 | 0.9 | -6.3 | -8.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 15.9 | 15.6 | 14.2 | 12.6 | 10.8 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 6.1 | 6.4 | 6.0 | 9.0 | 12.5 | 11.3 | 8.8 | 9.9 | 7.5 | 4.6 | 3.4 |
| Precipitation (mm) | 76 | 76 | 115 | 164 | 155 | 41 | 140 | 261 | 33 | 67 | 285 | 178 |
| Sunny days | 7 | 13 | 9 | 6 | 10 | 14 | 9 | 10 | 19 | 14 | 4 | 7 |
| Rainy days | 13 | 11 | 20 | 24 | 21 | 16 | 22 | 21 | 11 | 17 | 23 | 22 |
| Snow days | 11 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 |
The best time to visit Westerham during the most sunny months:
Months with the longest average daylight duration in Westerham:
The largest precipitation sum in Westerham is at