Average annual temperature is 13.3 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 229 days
Number of rainy days: 129 days
Number of snow days: 7 days
Look at detailed online map of Forest Knolls
* Weather data for Forest Knolls 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) | 16.9 | 18.4 | 14.3 | 28.4 | 30.4 | 35.6 | 41.1 | 38.2 | 31.5 | 31.3 | 23.4 | 19.7 |
| Average daytime temperature (°C) | 10.2 | 11.1 | 8.5 | 18.2 | 21.8 | 26.6 | 34.7 | 32.1 | 25.7 | 23.1 | 16.6 | 13.9 |
| Average temperature (°C) | 4.9 | 4.6 | 3.7 | 10.8 | 15.1 | 19.1 | 26.1 | 24.0 | 18.0 | 14.9 | 9.5 | 7.6 |
| Average night temperature (°C) | 1.4 | 0.0 | 0.3 | 4.6 | 8.6 | 11.8 | 16.5 | 15.7 | 11.5 | 8.9 | 4.6 | 3.2 |
| Absolute minimum temperature (°C) | -5.7 | -4.3 | -5.0 | -5.6 | 2.6 | 6.7 | 10.3 | 12.2 | 7.8 | -0.6 | -2.6 | -1.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 5.0 | 6.7 | 6.4 | 11.1 | 11.3 | 12.9 | 13.6 | 12.0 | 10.7 | 9.3 | 7.8 | 5.4 |
| Precipitation (mm) | 399 | 208 | 407 | 37 | 60 | 4 | 0 | 31 | 61 | 24 | 115 | 147 |
| Sunny days | 12 | 13 | 7 | 21 | 15 | 22 | 30 | 26 | 23 | 22 | 21 | 17 |
| Rainy days | 19 | 10 | 23 | 8 | 16 | 8 | 1 | 5 | 7 | 9 | 9 | 14 |
| Snow days | 0 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Forest Knolls during the most sunny months:
The largest precipitation sum in Forest Knolls is at