Average annual temperature is 14.4 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -7.5 °C
Number of sunny days: 184 days
Number of rainy days: 177 days
Number of snow days: 4 days
Look at detailed online map of Lee Valley
* Weather data for Lee Valley 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) | 18.4 | 23.1 | 24.3 | 28.2 | 28.9 | 30.8 | 34.8 | 35.2 | 31.3 | 28.9 | 25.4 | 17.7 |
| Average daytime temperature (°C) | 10.8 | 14.2 | 15.1 | 20.3 | 24.3 | 26.9 | 30.6 | 28.8 | 27.4 | 21.4 | 15.8 | 11.2 |
| Average temperature (°C) | 5.7 | 8.3 | 8.6 | 13.4 | 17.7 | 20.6 | 24.4 | 23.1 | 20.6 | 15.2 | 9.2 | 5.7 |
| Average night temperature (°C) | 2.3 | 4.0 | 3.6 | 7.6 | 12.1 | 15.2 | 19.4 | 18.5 | 15.2 | 9.9 | 4.1 | 1.8 |
| Absolute minimum temperature (°C) | -6.5 | -7.2 | -7.5 | 0.4 | 3.9 | 7.9 | 15.0 | 13.0 | 10.9 | 4.3 | -4.7 | -6.2 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.6 | 5.8 | 8.3 | 9.4 | 10.9 | 11.1 | 11.3 | 10.1 | 11.0 | 8.7 | 7.8 | 6.3 |
| Precipitation (mm) | 133 | 133 | 128 | 100 | 71 | 58 | 72 | 144 | 49 | 19 | 53 | 83 |
| Sunny days | 11 | 14 | 18 | 18 | 15 | 13 | 5 | 12 | 17 | 22 | 22 | 17 |
| Rainy days | 17 | 14 | 12 | 12 | 16 | 17 | 26 | 19 | 13 | 9 | 8 | 14 |
| Snow days | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Lee Valley during the most sunny months:
The largest precipitation sum in Lee Valley is at