Average annual temperature is 12.4 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 168 days
Number of rainy days: 191 days
Number of snow days: 6 days
Look at detailed online map of Borough of Northumberland
* Weather data for Borough of Northumberland 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) | 15.8 | 19.0 | 18.3 | 30.8 | 32.5 | 34.0 | 34.7 | 31.8 | 33.8 | 27.5 | 20.0 | 15.0 |
| Average daytime temperature (°C) | 7.2 | 9.2 | 9.9 | 19.3 | 22.5 | 26.3 | 30.1 | 27.8 | 24.5 | 18.7 | 10.6 | 8.1 |
| Average temperature (°C) | 3.5 | 3.0 | 4.3 | 12.5 | 15.3 | 20.1 | 24.3 | 22.3 | 19.1 | 13.6 | 5.5 | 4.1 |
| Average night temperature (°C) | 0.6 | -1.8 | -0.3 | 6.4 | 8.3 | 14.2 | 19.1 | 17.6 | 14.5 | 9.5 | 1.4 | 0.6 |
| Absolute minimum temperature (°C) | -4.8 | -13.8 | -5.8 | -0.7 | 1.6 | 7.8 | 14.5 | 13.0 | 8.1 | 2.3 | -5.1 | -5.0 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 4.6 | 6.9 | 7.2 | 8.9 | 11.6 | 11.0 | 12.0 | 10.8 | 8.8 | 7.6 | 7.3 | 4.1 |
| Precipitation (mm) | 96 | 37 | 79 | 108 | 19 | 86 | 118 | 168 | 147 | 71 | 56 | 103 |
| Sunny days | 11 | 13 | 13 | 13 | 22 | 13 | 8 | 10 | 15 | 18 | 18 | 14 |
| Rainy days | 19 | 13 | 18 | 17 | 9 | 17 | 23 | 21 | 15 | 13 | 11 | 15 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Borough of Northumberland during the most sunny months:
The largest precipitation sum in Borough of Northumberland is at