Average annual temperature is 11.9 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 148 days
Number of rainy days: 208 days
Number of snow days: 9 days
Look at detailed online map of Weirton
* Weather data for Weirton 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) | 15.5 | 20.8 | 20.4 | 27.1 | 30.0 | 33.3 | 32.7 | 32.0 | 33.4 | 27.8 | 18.0 | 15.4 |
| Average daytime temperature (°C) | 7.1 | 10.6 | 10.1 | 18.0 | 21.8 | 25.7 | 28.9 | 27.1 | 24.4 | 18.0 | 11.0 | 8.5 |
| Average temperature (°C) | 2.9 | 3.8 | 4.3 | 11.2 | 15.0 | 19.4 | 22.9 | 21.3 | 18.6 | 13.0 | 5.6 | 4.4 |
| Average night temperature (°C) | -0.1 | -0.9 | 0.0 | 5.5 | 9.2 | 13.9 | 18.4 | 16.7 | 14.0 | 9.1 | 1.7 | 1.4 |
| Absolute minimum temperature (°C) | -6.3 | -11.5 | -7.8 | -1.8 | 1.9 | 9.0 | 14.5 | 12.0 | 8.5 | 1.7 | -7.1 | -5.1 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 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) | 3.0 | 6.8 | 6.5 | 8.7 | 10.4 | 10.9 | 11.5 | 10.9 | 9.2 | 6.8 | 6.7 | 4.3 |
| Precipitation (mm) | 116 | 57 | 134 | 70 | 97 | 116 | 111 | 85 | 30 | 87 | 44 | 73 |
| Sunny days | 7 | 14 | 9 | 15 | 21 | 12 | 3 | 8 | 12 | 15 | 19 | 13 |
| Rainy days | 20 | 13 | 20 | 15 | 10 | 18 | 28 | 23 | 18 | 16 | 10 | 17 |
| Snow days | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Weirton during the most sunny months:
The largest precipitation sum in Weirton is at