Average annual temperature is 14.5 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -7.3 °C
Number of sunny days: 186 days
Number of rainy days: 176 days
Number of snow days: 3 days
Look at detailed online map of Amersham
* Weather data for Amersham United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.2 | 24.3 | 25.6 | 28.7 | 29.0 | 31.1 | 34.0 | 35.1 | 32.8 | 28.8 | 25.9 | 18.8 |
| Average daytime temperature (°C) | 11.6 | 14.7 | 15.5 | 21.2 | 24.4 | 27.0 | 31.0 | 29.3 | 27.6 | 21.7 | 16.2 | 11.7 |
| Average temperature (°C) | 6.0 | 8.5 | 8.9 | 13.8 | 17.6 | 20.7 | 24.6 | 23.3 | 20.7 | 15.0 | 8.8 | 5.7 |
| Average night temperature (°C) | 2.3 | 3.9 | 3.6 | 7.5 | 11.8 | 15.1 | 19.2 | 18.5 | 15.1 | 9.5 | 3.4 | 1.2 |
| Absolute minimum temperature (°C) | -6.4 | -7.3 | -6.8 | 0.8 | 3.1 | 7.9 | 14.8 | 14.0 | 11.0 | 3.5 | -5.4 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.6 | 5.8 | 8.2 | 9.1 | 10.3 | 11.0 | 11.4 | 10.1 | 10.6 | 8.4 | 7.8 | 5.9 |
| Precipitation (mm) | 118 | 122 | 89 | 86 | 86 | 47 | 52 | 120 | 71 | 21 | 35 | 80 |
| Sunny days | 12 | 11 | 17 | 17 | 14 | 14 | 12 | 13 | 18 | 20 | 22 | 16 |
| Rainy days | 18 | 17 | 12 | 13 | 17 | 16 | 19 | 18 | 12 | 11 | 8 | 15 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Amersham during the most sunny months:
The largest precipitation sum in Amersham is at