Average annual temperature is 11.4 °C
Absolute maximum temperature: 27.6 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Farnham
* Weather data for Farnham United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.5 | 14.6 | 14.7 | 14.7 | 18.5 | 25.3 | 25.5 | 24.7 | 27.6 | 23.4 | 14.7 | 14.0 |
| Average daytime temperature (°C) | 8.3 | 9.6 | 9.7 | 11.3 | 15.0 | 20.0 | 20.7 | 20.9 | 21.2 | 16.6 | 10.4 | 9.7 |
| Average temperature (°C) | 5.5 | 6.4 | 7.1 | 8.3 | 11.7 | 16.6 | 17.2 | 17.1 | 17.7 | 13.4 | 7.7 | 7.5 |
| Average night temperature (°C) | 2.4 | 3.6 | 4.4 | 5.1 | 8.5 | 12.9 | 13.6 | 13.4 | 14.2 | 10.3 | 5.0 | 4.8 |
| Absolute minimum temperature (°C) | -4.2 | -2.4 | -3.4 | 1.3 | 5.5 | 9.5 | 10.0 | 8.8 | 9.4 | 3.5 | -2.0 | -3.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.2 | 4.9 | 4.7 | 9.5 | 11.9 | 12.4 | 10.7 | 11.2 | 9.1 | 5.7 | 4.4 | 2.9 |
| Precipitation (mm) | 58 | 5 | 92 | 58 | 61 | 23 | 131 | 87 | 60 | 135 | 67 | 81 |
| Sunny days | 16 | 17 | 1 | 9 | 14 | 22 | 3 | 9 | 15 | 10 | 11 | 7 |
| Rainy days | 15 | 11 | 30 | 21 | 17 | 8 | 28 | 22 | 15 | 21 | 19 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Farnham during the most sunny months:
Months with the longest average daylight duration in Farnham:
The largest precipitation sum in Farnham is at