Average annual temperature is 13.8 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 184 days
Number of rainy days: 177 days
Number of snow days: 4 days
Look at detailed online map of Janney
* Weather data for Janney 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) | 18.2 | 19.0 | 18.1 | 31.5 | 30.8 | 36.3 | 35.2 | 32.7 | 35.7 | 28.1 | 21.1 | 16.3 |
| Average daytime temperature (°C) | 9.5 | 10.0 | 11.8 | 20.3 | 23.4 | 27.5 | 31.3 | 29.1 | 25.5 | 20.6 | 12.3 | 9.8 |
| Average temperature (°C) | 5.5 | 4.7 | 6.0 | 13.9 | 16.5 | 21.1 | 25.3 | 23.7 | 20.3 | 15.1 | 7.1 | 5.5 |
| Average night temperature (°C) | 2.1 | 0.3 | 1.1 | 8.7 | 10.2 | 15.6 | 20.7 | 19.2 | 16.2 | 10.8 | 2.8 | 2.0 |
| Absolute minimum temperature (°C) | -3.8 | -12.1 | -4.2 | 0.5 | 4.4 | 10.2 | 17.1 | 15.0 | 10.6 | 5.1 | -4.5 | -4.6 |
| 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 | 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 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 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) | 4.6 | 6.9 | 7.6 | 8.9 | 11.5 | 10.6 | 11.6 | 10.4 | 8.2 | 8.2 | 7.6 | 5.1 |
| Precipitation (mm) | 113 | 49 | 107 | 123 | 46 | 106 | 124 | 98 | 211 | 41 | 83 | 194 |
| Sunny days | 14 | 17 | 11 | 16 | 22 | 12 | 10 | 12 | 13 | 18 | 21 | 18 |
| Rainy days | 17 | 9 | 19 | 14 | 9 | 18 | 21 | 19 | 17 | 13 | 8 | 13 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Janney during the most sunny months:
The largest precipitation sum in Janney is at