Average annual temperature is 7.9 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -31.5 °C
Number of sunny days: 193 days
Number of rainy days: 115 days
Number of snow days: 57 days
Look at detailed online map of Thornton
* Weather data for Thornton 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) | 8.2 | 8.7 | 14.0 | 23.3 | 28.4 | 32.3 | 36.0 | 36.4 | 33.1 | 22.0 | 18.9 | 12.9 |
| Average daytime temperature (°C) | 0.8 | 1.9 | 3.6 | 11.8 | 21.5 | 23.8 | 28.3 | 28.4 | 24.1 | 13.6 | 9.6 | 4.8 |
| Average temperature (°C) | -3.8 | -4.8 | -2.5 | 4.2 | 14.8 | 17.4 | 21.3 | 21.2 | 16.8 | 7.0 | 2.8 | -0.7 |
| Average night temperature (°C) | -7.0 | -9.3 | -6.9 | -1.5 | 8.8 | 12.1 | 14.7 | 15.1 | 11.2 | 2.1 | -1.8 | -4.3 |
| Absolute minimum temperature (°C) | -22.2 | -31.5 | -13.5 | -15.4 | 1.5 | 7.4 | 7.6 | 8.9 | 6.9 | -12.4 | -12.5 | -12.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.1 | 7.3 | 7.9 | 9.8 | 11.3 | 10.6 | 13.3 | 11.4 | 10.7 | 8.2 | 7.5 | 6.2 |
| Precipitation (mm) | 21 | 30 | 25 | 33 | 78 | 130 | 45 | 47 | 89 | 27 | 6 | 14 |
| Sunny days | 16 | 17 | 8 | 18 | 11 | 5 | 20 | 19 | 18 | 19 | 23 | 19 |
| Rainy days | 2 | 1 | 6 | 7 | 20 | 25 | 11 | 12 | 12 | 8 | 5 | 6 |
| Snow days | 13 | 10 | 17 | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 6 |
The best time to visit Thornton during the most sunny months:
Months with the longest average daylight duration in Thornton:
The largest precipitation sum in Thornton is at