Average annual temperature is 15.9 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 267 days
Number of rainy days: 92 days
Number of snow days: 6 days
Look at detailed online map of Saint Vrain
* Weather data for Saint Vrain 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) | 19.6 | 22.6 | 25.9 | 29.1 | 33.1 | 39.0 | 40.7 | 39.1 | 37.2 | 29.2 | 27.1 | 21.0 |
| Average daytime temperature (°C) | 11.6 | 14.1 | 18.6 | 23.7 | 27.5 | 31.7 | 36.4 | 34.8 | 30.7 | 23.1 | 16.8 | 12.7 |
| Average temperature (°C) | 4.5 | 5.7 | 10.5 | 14.7 | 19.8 | 23.9 | 29.1 | 28.0 | 23.5 | 15.8 | 9.3 | 5.7 |
| Average night temperature (°C) | -0.8 | 0.0 | 4.0 | 7.2 | 12.9 | 16.5 | 21.9 | 21.6 | 17.2 | 9.8 | 4.0 | 0.5 |
| Absolute minimum temperature (°C) | -11.9 | -9.5 | -3.3 | 0.3 | 6.9 | 11.0 | 16.9 | 16.1 | 13.3 | -4.0 | -4.6 | -4.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 8.7 | 10.3 | 11.5 | 11.7 | 12.7 | 12.9 | 12.0 | 10.8 | 9.7 | 8.2 | 8.0 |
| Precipitation (mm) | 19 | 7 | 3 | 3 | 45 | 25 | 8 | 20 | 20 | 31 | 6 | 39 |
| Sunny days | 25 | 21 | 21 | 26 | 15 | 22 | 20 | 21 | 19 | 24 | 27 | 26 |
| Rainy days | 4 | 4 | 9 | 4 | 16 | 8 | 11 | 10 | 11 | 7 | 3 | 5 |
| Snow days | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Saint Vrain is at