Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 155 days
Number of rainy days: 196 days
Number of snow days: 14 days
Look at detailed online map of Harriman
* Weather data for Harriman 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) | 18.0 | 17.0 | 15.5 | 31.7 | 28.7 | 33.5 | 31.6 | 30.2 | 33.1 | 27.4 | 18.6 | 14.8 |
| Average daytime temperature (°C) | 6.9 | 6.8 | 8.7 | 17.6 | 20.9 | 24.6 | 28.0 | 25.6 | 22.6 | 18.0 | 9.6 | 7.9 |
| Average temperature (°C) | 3.2 | 1.7 | 3.4 | 11.3 | 14.6 | 18.9 | 23.1 | 21.0 | 18.1 | 13.4 | 4.9 | 3.8 |
| Average night temperature (°C) | 0.2 | -2.7 | -0.8 | 6.4 | 8.8 | 14.3 | 19.1 | 17.2 | 14.5 | 9.8 | 1.1 | 0.9 |
| Absolute minimum temperature (°C) | -4.6 | -20.5 | -5.8 | -1.8 | 3.8 | 8.6 | 14.8 | 14.0 | 8.1 | 3.2 | -5.2 | -7.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.7 | 6.2 | 7.4 | 8.3 | 11.8 | 10.1 | 11.3 | 9.7 | 7.7 | 7.1 | 7.1 | 4.7 |
| Precipitation (mm) | 128 | 48 | 114 | 129 | 53 | 111 | 171 | 127 | 239 | 106 | 87 | 249 |
| Sunny days | 12 | 15 | 11 | 15 | 19 | 8 | 4 | 10 | 11 | 16 | 18 | 16 |
| Rainy days | 17 | 10 | 14 | 15 | 12 | 22 | 27 | 21 | 19 | 15 | 11 | 13 |
| Snow days | 2 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Harriman during the most sunny months:
The largest precipitation sum in Harriman is at