Average annual temperature is 11.9 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -20.1 °C
Number of sunny days: 220 days
Number of rainy days: 125 days
Number of snow days: 20 days
Look at detailed online map of Dumfries
* Weather data for Dumfries 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) | 9.3 | 13.2 | 21.0 | 29.6 | 30.0 | 32.9 | 35.4 | 36.5 | 34.2 | 32.4 | 19.5 | 15.3 |
| Average daytime temperature (°C) | 1.7 | 5.7 | 8.9 | 18.8 | 25.4 | 29.6 | 28.8 | 28.9 | 27.5 | 18.7 | 11.6 | 6.3 |
| Average temperature (°C) | -2.6 | -1.2 | 2.4 | 11.4 | 18.7 | 23.7 | 23.4 | 23.8 | 21.4 | 13.4 | 5.7 | 1.8 |
| Average night temperature (°C) | -5.8 | -5.9 | -2.2 | 5.5 | 12.7 | 17.7 | 18.7 | 19.3 | 16.1 | 8.8 | 0.9 | -1.7 |
| Absolute minimum temperature (°C) | -17.9 | -20.1 | -11.6 | -4.8 | 2.5 | 9.8 | 12.4 | 12.8 | 10.2 | -5.3 | -7.5 | -5.7 |
| 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) | 5.0 | 7.5 | 8.2 | 9.7 | 11.6 | 12.9 | 11.3 | 11.4 | 10.6 | 7.9 | 6.9 | 5.4 |
| Precipitation (mm) | 38 | 63 | 34 | 31 | 77 | 92 | 133 | 61 | 31 | 51 | 8 | 48 |
| Sunny days | 16 | 19 | 19 | 20 | 17 | 14 | 13 | 17 | 20 | 16 | 24 | 25 |
| Rainy days | 5 | 6 | 12 | 8 | 14 | 16 | 18 | 14 | 10 | 14 | 4 | 4 |
| Snow days | 10 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Dumfries during the most sunny months:
The largest precipitation sum in Dumfries is at