Average annual temperature is 20.0 °C
Absolute maximum temperature: 44.1 °C
Absolute minimum temperature: -9.8 °C
Number of sunny days: 228 days
Number of rainy days: 137 days
Look at detailed online map of Jermyn
* Weather data for Jermyn 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) | 27.7 | 29.8 | 30.1 | 33.5 | 35.3 | 41.6 | 42.0 | 44.1 | 43.3 | 34.3 | 30.1 | 25.3 |
| Average daytime temperature (°C) | 16.7 | 16.5 | 21.3 | 24.4 | 28.7 | 33.9 | 38.4 | 40.6 | 35.0 | 26.4 | 19.3 | 16.2 |
| Average temperature (°C) | 9.9 | 9.1 | 14.3 | 17.6 | 22.6 | 27.3 | 31.8 | 34.2 | 28.8 | 20.3 | 13.3 | 10.5 |
| Average night temperature (°C) | 4.9 | 3.9 | 9.4 | 12.2 | 17.8 | 21.8 | 25.9 | 27.7 | 23.5 | 15.3 | 8.6 | 6.4 |
| Absolute minimum temperature (°C) | -9.8 | -6.0 | -1.2 | 6.1 | 11.8 | 16.3 | 21.4 | 21.6 | 17.7 | -0.6 | -1.4 | -0.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 6.9 | 8.8 | 10.0 | 10.4 | 11.4 | 12.2 | 12.2 | 10.2 | 8.6 | 8.1 | 7.7 |
| Precipitation (mm) | 21 | 65 | 85 | 43 | 117 | 143 | 29 | 2 | 55 | 118 | 19 | 35 |
| Sunny days | 23 | 15 | 19 | 20 | 8 | 6 | 22 | 30 | 17 | 21 | 24 | 23 |
| Rainy days | 8 | 13 | 12 | 10 | 23 | 24 | 9 | 1 | 13 | 10 | 6 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Jermyn during the most sunny months:
The largest precipitation sum in Jermyn is at