Average annual temperature is 11.2 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 132 days
Number of rainy days: 233 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) | 12.5 | 13.2 | 13.9 | 17.2 | 20.9 | 28.9 | 26.1 | 24.2 | 30.6 | 22.9 | 14.4 | 13.4 |
| Average daytime temperature (°C) | 7.6 | 9.3 | 9.7 | 12.4 | 16.9 | 23.0 | 20.1 | 20.6 | 22.3 | 16.3 | 10.3 | 9.6 |
| Average temperature (°C) | 4.7 | 5.8 | 6.9 | 8.2 | 12.4 | 17.7 | 16.5 | 16.5 | 17.6 | 12.8 | 7.5 | 7.5 |
| Average night temperature (°C) | 1.7 | 2.6 | 4.2 | 3.9 | 7.8 | 12.1 | 12.7 | 12.6 | 13.2 | 9.8 | 4.7 | 5.1 |
| Absolute minimum temperature (°C) | -5.5 | -3.6 | -2.9 | -2.2 | 4.1 | 6.7 | 9.3 | 9.6 | 7.6 | 1.0 | -2.3 | -3.7 |
| 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) | 8.5 | 10.0 | 11.9 | 13.9 | 15.6 | 16.5 | 16.1 | 14.5 | 12.6 | 10.7 | 8.9 | 8.0 |
| 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) | 4.0 | 4.5 | 4.1 | 7.8 | 10.5 | 13.0 | 10.1 | 9.9 | 9.0 | 6.8 | 4.3 | 2.6 |
| Precipitation (mm) | 85 | 15 | 131 | 104 | 36 | 34 | 90 | 69 | 65 | 122 | 90 | 91 |
| Sunny days | 16 | 17 | 3 | 8 | 15 | 18 | 5 | 4 | 14 | 12 | 10 | 10 |
| Rainy days | 15 | 11 | 28 | 22 | 16 | 12 | 26 | 27 | 16 | 19 | 20 | 21 |
| 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