Average annual temperature is 10.3 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -25.8 °C
Number of sunny days: 166 days
Number of rainy days: 188 days
Number of snow days: 11 days
Look at detailed online map of Town of New Castle
* Weather data for Town of New Castle 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) | 11.1 | 13.7 | 12.2 | 23.1 | 26.9 | 26.4 | 30.7 | 28.4 | 30.3 | 27.8 | 17.9 | 14.2 |
| Average daytime temperature (°C) | 4.7 | 3.9 | 6.2 | 11.9 | 18.5 | 19.8 | 26.3 | 24.2 | 22.2 | 17.9 | 8.5 | 6.7 |
| Average temperature (°C) | 1.4 | -1.0 | 2.4 | 8.1 | 13.5 | 16.5 | 22.6 | 20.2 | 18.4 | 13.5 | 4.2 | 3.0 |
| Average night temperature (°C) | -1.4 | -5.3 | -1.0 | 4.9 | 9.2 | 13.7 | 19.3 | 16.7 | 15.2 | 10.1 | 0.8 | 0.1 |
| Absolute minimum temperature (°C) | -6.9 | -25.8 | -5.0 | -2.8 | 3.6 | 8.1 | 14.7 | 13.1 | 7.9 | 1.9 | -4.8 | -7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.1 | 6.4 | 7.4 | 8.9 | 11.8 | 9.3 | 10.1 | 10.1 | 8.3 | 7.6 | 7.1 | 5.1 |
| Precipitation (mm) | 166 | 47 | 108 | 116 | 82 | 168 | 174 | 138 | 119 | 82 | 54 | 168 |
| Sunny days | 8 | 14 | 16 | 15 | 19 | 8 | 8 | 8 | 15 | 16 | 22 | 17 |
| Rainy days | 18 | 11 | 12 | 15 | 12 | 22 | 23 | 23 | 15 | 15 | 8 | 14 |
| Snow days | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Town of New Castle during the most sunny months:
Months with the longest average daylight duration in Town of New Castle:
The largest precipitation sum in Town of New Castle is at