Average annual temperature is 11.8 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 176 days
Number of rainy days: 175 days
Number of snow days: 14 days
Look at detailed online map of Farnham (historical)
* Weather data for Farnham (historical) 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) | 16.6 | 18.9 | 17.0 | 26.8 | 30.8 | 32.7 | 31.9 | 31.5 | 32.5 | 29.5 | 18.6 | 16.4 |
| Average daytime temperature (°C) | 4.9 | 8.3 | 8.9 | 17.3 | 22.3 | 26.5 | 28.7 | 26.8 | 24.7 | 17.7 | 10.9 | 8.5 |
| Average temperature (°C) | 1.4 | 2.2 | 3.5 | 10.4 | 15.6 | 20.5 | 23.3 | 21.4 | 19.3 | 13.1 | 5.6 | 4.8 |
| Average night temperature (°C) | -1.5 | -2.0 | -0.4 | 4.4 | 9.5 | 14.6 | 18.3 | 16.6 | 14.5 | 9.3 | 1.7 | 1.9 |
| Absolute minimum temperature (°C) | -12.8 | -12.0 | -6.8 | -3.3 | 1.8 | 9.5 | 13.8 | 10.5 | 8.7 | -2.8 | -7.0 | -4.3 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 2.9 | 7.2 | 6.9 | 8.6 | 10.6 | 10.9 | 11.8 | 10.5 | 9.2 | 6.9 | 6.9 | 3.9 |
| Precipitation (mm) | 93 | 79 | 115 | 76 | 42 | 67 | 106 | 126 | 32 | 83 | 23 | 57 |
| Sunny days | 10 | 18 | 13 | 13 | 23 | 16 | 9 | 14 | 18 | 11 | 20 | 11 |
| Rainy days | 15 | 9 | 15 | 17 | 8 | 14 | 22 | 17 | 12 | 19 | 9 | 18 |
| Snow days | 6 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
The best time to visit Farnham (historical) during the most sunny months:
The largest precipitation sum in Farnham (historical) is at