Average annual temperature is 11.9 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 242 days
Number of rainy days: 105 days
Number of snow days: 18 days
Look at detailed online map of Rocky Butte
* Weather data for Rocky Butte 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) | 4.4 | 8.1 | 15.6 | 30.5 | 35.2 | 35.6 | 38.1 | 42.3 | 32.4 | 26.7 | 12.0 | 6.7 |
| Average daytime temperature (°C) | 0.9 | 3.1 | 9.8 | 15.7 | 27.9 | 29.5 | 33.9 | 33.5 | 26.0 | 17.8 | 7.4 | 3.8 |
| Average temperature (°C) | -1.4 | -1.0 | 4.1 | 9.9 | 20.5 | 22.3 | 26.1 | 26.0 | 19.3 | 11.8 | 3.4 | 1.1 |
| Average night temperature (°C) | -3.3 | -4.0 | -0.1 | 4.8 | 13.5 | 15.2 | 18.7 | 18.9 | 13.8 | 7.2 | 0.7 | -0.6 |
| Absolute minimum temperature (°C) | -13.2 | -10.9 | -5.9 | -1.3 | 7.0 | 9.5 | 14.0 | 13.3 | 4.4 | -3.9 | -3.0 | -5.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.5 | 5.9 | 7.9 | 9.6 | 12.8 | 13.2 | 13.6 | 11.9 | 9.9 | 7.8 | 4.4 | 2.5 |
| Precipitation (mm) | 55 | 14 | 22 | 27 | 9 | 32 | 7 | 18 | 12 | 43 | 41 | 65 |
| Sunny days | 13 | 18 | 16 | 12 | 21 | 26 | 29 | 26 | 25 | 22 | 20 | 14 |
| Rainy days | 12 | 6 | 11 | 18 | 10 | 4 | 2 | 5 | 5 | 9 | 10 | 13 |
| Snow days | 6 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Rocky Butte during the most sunny months:
Months with the longest average daylight duration in Rocky Butte:
The largest precipitation sum in Rocky Butte is at