Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 175 days
Number of rainy days: 187 days
Number of snow days: 3 days
Look at detailed online map of Happy Valley (historical)
* Weather data for Happy Valley (historical) 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 | 25.3 | 25.0 | 28.3 | 28.7 | 31.3 | 36.4 | 36.5 | 32.2 | 30.0 | 25.6 | 19.2 |
| Average daytime temperature (°C) | 12.1 | 14.7 | 15.4 | 20.8 | 24.0 | 27.3 | 31.2 | 29.0 | 26.7 | 21.6 | 16.0 | 12.1 |
| Average temperature (°C) | 6.6 | 8.5 | 8.8 | 14.0 | 17.6 | 21.0 | 25.1 | 23.4 | 20.5 | 15.7 | 9.3 | 6.7 |
| Average night temperature (°C) | 3.1 | 3.8 | 3.8 | 8.4 | 12.2 | 15.6 | 19.9 | 18.8 | 15.4 | 10.9 | 4.6 | 2.9 |
| Absolute minimum temperature (°C) | -6.3 | -7.1 | -6.6 | 1.0 | 3.6 | 9.8 | 16.0 | 13.0 | 11.2 | 4.2 | -5.7 | -5.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 4.9 | 6.9 | 7.9 | 9.8 | 10.3 | 11.0 | 11.8 | 10.6 | 10.2 | 7.9 | 7.4 | 5.6 |
| Precipitation (mm) | 114 | 107 | 79 | 91 | 79 | 66 | 57 | 109 | 58 | 37 | 46 | 109 |
| Sunny days | 11 | 14 | 18 | 18 | 14 | 14 | 6 | 10 | 16 | 19 | 20 | 15 |
| Rainy days | 19 | 13 | 12 | 12 | 17 | 16 | 25 | 21 | 14 | 12 | 10 | 16 |
| Snow days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Happy Valley (historical) during the most sunny months:
The largest precipitation sum in Happy Valley (historical) is at