Average annual temperature is 21.1 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Gretna Green
* Weather data for Gretna Green 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) | 24.7 | 27.6 | 28.0 | 30.1 | 32.3 | 38.0 | 38.5 | 40.4 | 37.3 | 33.0 | 29.0 | 25.1 |
| Average daytime temperature (°C) | 18.0 | 19.8 | 22.8 | 24.3 | 29.7 | 33.9 | 35.8 | 38.0 | 33.4 | 28.1 | 20.3 | 17.5 |
| Average temperature (°C) | 13.0 | 14.1 | 16.9 | 18.9 | 24.0 | 28.0 | 30.1 | 32.1 | 27.5 | 21.6 | 14.8 | 11.7 |
| Average night temperature (°C) | 9.3 | 10.0 | 12.5 | 14.5 | 19.1 | 23.1 | 25.5 | 26.9 | 22.4 | 16.3 | 10.7 | 7.2 |
| Absolute minimum temperature (°C) | -0.6 | -0.2 | -1.2 | 9.7 | 12.4 | 20.3 | 23.2 | 21.6 | 18.3 | 7.0 | 2.5 | 0.2 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.6 | 7.6 | 8.4 | 8.1 | 10.9 | 11.9 | 11.5 | 11.8 | 11.0 | 8.9 | 6.5 | 8.0 |
| Precipitation (mm) | 195 | 111 | 86 | 154 | 84 | 132 | 72 | 20 | 38 | 17 | 69 | 68 |
| Sunny days | 12 | 11 | 14 | 12 | 12 | 7 | 16 | 24 | 20 | 24 | 18 | 22 |
| Rainy days | 19 | 17 | 17 | 18 | 19 | 23 | 15 | 7 | 10 | 7 | 12 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gretna Green during the most sunny months:
The largest precipitation sum in Gretna Green is at