Average annual temperature is 12.1 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 146 days
Number of rainy days: 207 days
Number of snow days: 12 days
Look at detailed online map of Garrison
* Weather data for Garrison 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) | 17.1 | 20.9 | 22.0 | 27.9 | 28.8 | 32.1 | 31.7 | 30.9 | 31.5 | 26.6 | 19.1 | 16.3 |
| Average daytime temperature (°C) | 8.2 | 11.4 | 11.0 | 18.6 | 21.5 | 25.3 | 28.0 | 26.5 | 23.7 | 17.9 | 11.5 | 8.9 |
| Average temperature (°C) | 3.5 | 4.8 | 4.9 | 11.8 | 15.1 | 19.2 | 22.6 | 21.2 | 18.4 | 13.0 | 6.0 | 4.6 |
| Average night temperature (°C) | 0.3 | 0.0 | 0.3 | 6.2 | 9.4 | 13.7 | 18.3 | 16.8 | 14.0 | 9.1 | 1.8 | 1.4 |
| Absolute minimum temperature (°C) | -6.3 | -11.5 | -9.1 | -1.4 | 1.6 | 8.5 | 14.7 | 12.1 | 8.7 | 0.6 | -7.6 | -5.7 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 3.3 | 6.8 | 6.8 | 8.8 | 10.0 | 11.3 | 11.0 | 10.5 | 9.1 | 6.8 | 7.0 | 4.9 |
| Precipitation (mm) | 127 | 64 | 114 | 45 | 102 | 116 | 86 | 120 | 69 | 83 | 55 | 72 |
| Sunny days | 9 | 13 | 10 | 15 | 18 | 12 | 5 | 9 | 11 | 12 | 20 | 12 |
| Rainy days | 20 | 11 | 18 | 15 | 13 | 18 | 26 | 22 | 19 | 19 | 9 | 17 |
| Snow days | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Garrison during the most sunny months:
The largest precipitation sum in Garrison is at