Average annual temperature is 11.5 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 133
Number of rainy days: 232
Number of snow days:
Average annual precipitation: 866 mm
Look at detailed online map of Slough
* Weather data for Slough United Kingdom is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.8 | 13.4 | 15.1 | 17.3 | 21.2 | 28.8 | 26.9 | 25 | 31.3 | 23.1 | 14.8 | 13.6 |
| Average daytime temperature (°C) | 8 | 9.7 | 10.4 | 13 | 17.2 | 23.2 | 20.7 | 21.2 | 22.8 | 16.7 | 10.6 | 9.7 |
| Average temperature (°C) | 5.1 | 6 | 7.4 | 8.6 | 12.7 | 17.9 | 17 | 17 | 18 | 13 | 7.6 | 7.6 |
| Average night temperature (°C) | 1.7 | 2.6 | 4.3 | 4.2 | 8.2 | 12.4 | 13.1 | 12.8 | 13.5 | 9.7 | 4.8 | 5.2 |
| Absolute minimum temperature (°C) | -5.4 | -3 | -3.5 | -0.9 | 5 | 7.3 | 9.2 | 9.6 | 8.1 | 2.3 | -1.9 | -4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.1 | 10.8 | 12.9 | 14.8 | 16.3 | 16.6 | 16.6 | 15.4 | 13.6 | 11.6 | 9.7 | 8.2 |
| Daylight mean duration (h) | 8.4 | 10 | 11.9 | 13.9 | 15.6 | 16.6 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| Daylight minimum duration (h) | 7.9 | 9.2 | 10.9 | 13 | 14.8 | 16.3 | 15.5 | 13.7 | 11.7 | 9.7 | 8.2 | 7.8 |
| Sunshine mean duration (h) | 5.1 | 4.9 | 5.1 | 7.7 | 10.4 | 12.5 | 10.5 | 10 | 9 | 7.1 | 5.7 | 3.7 |
| Precipitation (mm) | 63 | 8 | 100 | 89 | 40 | 34 | 103 | 70 | 63 | 110 | 91 | 94 |
| Sunny days | 15 | 20 | 3 | 9 | 14 | 17 | 4 | 6 | 12 | 12 | 12 | 9 |
| Rainy days | 16 | 8 | 28 | 21 | 17 | 13 | 27 | 25 | 18 | 19 | 18 | 22 |
The best time to visit Slough during the most sunny months:
Months with the longest average daylight duration in Slough:
The largest precipitation sum in Slough is at