Average annual temperature is 10.8 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 141 days
Number of rainy days: 202 days
Number of snow days: 22 days
Look at detailed online map of Slippery Rock
* Weather data for Slippery Rock 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) | 13.9 | 19.7 | 17.9 | 27.4 | 31.4 | 32.7 | 31.5 | 29.9 | 31.6 | 26.7 | 16.0 | 14.7 |
| Average daytime temperature (°C) | 5.3 | 9.2 | 8.2 | 16.8 | 21.3 | 24.5 | 27.4 | 25.8 | 23.1 | 16.5 | 9.4 | 7.1 |
| Average temperature (°C) | 1.6 | 2.2 | 2.7 | 10.2 | 14.6 | 18.6 | 21.7 | 20.2 | 17.6 | 12.0 | 4.5 | 3.6 |
| Average night temperature (°C) | -1.2 | -2.5 | -1.3 | 4.7 | 8.4 | 13.4 | 17.2 | 15.7 | 13.3 | 8.6 | 0.8 | 0.9 |
| Absolute minimum temperature (°C) | -8.1 | -13.1 | -8.1 | -4.3 | 1.2 | 8.1 | 12.8 | 11.0 | 7.7 | 0.6 | -8.0 | -5.5 |
| 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) | 2.7 | 6.4 | 5.9 | 8.3 | 10.8 | 10.9 | 11.4 | 10.8 | 8.8 | 5.9 | 6.6 | 3.4 |
| Precipitation (mm) | 153 | 77 | 118 | 83 | 44 | 127 | 154 | 88 | 31 | 96 | 53 | 80 |
| Sunny days | 5 | 10 | 7 | 13 | 21 | 11 | 6 | 9 | 13 | 16 | 19 | 11 |
| Rainy days | 17 | 15 | 20 | 17 | 10 | 19 | 25 | 22 | 17 | 15 | 9 | 16 |
| Snow days | 9 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Slippery Rock during the most sunny months:
The largest precipitation sum in Slippery Rock is at