Average annual temperature is 16.1 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -12.2 °C
Number of sunny days: 247 days
Number of rainy days: 114 days
Number of snow days: 4 days
Look at detailed online map of Armstrong County
* Weather data for Armstrong County 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) | 22.1 | 23.2 | 25.9 | 30.3 | 34.0 | 39.2 | 39.1 | 40.3 | 39.2 | 31.0 | 29.1 | 23.4 |
| Average daytime temperature (°C) | 12.2 | 14.7 | 17.9 | 22.8 | 25.6 | 29.7 | 34.2 | 35.9 | 30.5 | 23.3 | 17.4 | 12.8 |
| Average temperature (°C) | 5.4 | 6.5 | 9.6 | 14.5 | 19.1 | 23.0 | 27.5 | 29.1 | 24.3 | 16.6 | 10.5 | 6.5 |
| Average night temperature (°C) | 0.5 | 1.0 | 3.4 | 8.1 | 13.8 | 17.8 | 21.6 | 22.7 | 18.7 | 11.4 | 5.6 | 2.1 |
| Absolute minimum temperature (°C) | -12.2 | -8.2 | -5.5 | -1.4 | 8.5 | 11.3 | 16.8 | 17.7 | 14.5 | -2.7 | -3.7 | -4.4 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 8.6 | 10.0 | 10.4 | 10.6 | 11.5 | 12.4 | 12.1 | 10.4 | 9.5 | 8.3 | 7.8 |
| Precipitation (mm) | 13 | 13 | 16 | 36 | 127 | 67 | 25 | 4 | 54 | 32 | 6 | 76 |
| Sunny days | 27 | 21 | 23 | 23 | 11 | 11 | 15 | 24 | 22 | 21 | 25 | 24 |
| Rainy days | 2 | 6 | 8 | 7 | 20 | 19 | 16 | 7 | 8 | 10 | 5 | 6 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Armstrong County is at