Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 202 days
Number of rainy days: 160 days
Number of snow days: 3 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) | 16.9 | 21.8 | 23.2 | 28.5 | 31.7 | 33.9 | 34.9 | 35.9 | 33.0 | 30.8 | 26.2 | 16.7 |
| Average daytime temperature (°C) | 7.9 | 11.9 | 12.8 | 19.5 | 24.8 | 28.6 | 30.9 | 29.4 | 27.8 | 20.8 | 13.9 | 9.7 |
| Average temperature (°C) | 3.9 | 5.5 | 6.5 | 12.4 | 18.1 | 22.2 | 24.8 | 23.6 | 21.2 | 15.0 | 7.9 | 5.0 |
| Average night temperature (°C) | 0.8 | 0.9 | 1.8 | 6.5 | 11.9 | 16.5 | 19.8 | 18.6 | 15.8 | 10.5 | 3.7 | 1.9 |
| Absolute minimum temperature (°C) | -7.2 | -9.5 | -7.0 | -1.4 | 3.7 | 11.8 | 16.4 | 13.6 | 11.3 | -2.8 | -6.7 | -6.9 |
| 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 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 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) | 4.4 | 7.4 | 7.1 | 9.3 | 10.9 | 11.1 | 11.8 | 10.8 | 10.3 | 7.4 | 8.1 | 4.9 |
| Precipitation (mm) | 131 | 55 | 198 | 126 | 70 | 32 | 113 | 84 | 24 | 55 | 24 | 61 |
| Sunny days | 13 | 16 | 14 | 16 | 20 | 19 | 11 | 17 | 20 | 17 | 23 | 16 |
| Rainy days | 16 | 12 | 16 | 14 | 11 | 11 | 20 | 14 | 10 | 14 | 7 | 15 |
| Snow days | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Thornton during the most sunny months:
The largest precipitation sum in Thornton is at