Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 160 days
Number of rainy days: 193 days
Number of snow days: 12 days
Look at detailed online map of Roswell
* Weather data for Roswell 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) | 15.3 | 21.2 | 20.0 | 27.3 | 30.3 | 32.7 | 33.2 | 32.6 | 32.9 | 28.2 | 18.9 | 15.8 |
| Average daytime temperature (°C) | 7.0 | 10.8 | 10.2 | 18.1 | 22.1 | 25.9 | 29.4 | 27.5 | 24.8 | 18.2 | 11.1 | 8.7 |
| Average temperature (°C) | 2.8 | 3.8 | 4.3 | 11.1 | 15.3 | 19.6 | 23.2 | 21.5 | 18.9 | 13.2 | 5.7 | 4.6 |
| Average night temperature (°C) | -0.3 | -1.0 | 0.0 | 5.4 | 9.3 | 14.1 | 18.2 | 16.6 | 14.1 | 9.1 | 1.8 | 1.7 |
| Absolute minimum temperature (°C) | -6.6 | -10.7 | -7.4 | -1.8 | 2.0 | 8.9 | 13.7 | 11.4 | 8.8 | -0.1 | -7.2 | -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) | 9.7 | 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) | 2.9 | 6.5 | 6.6 | 8.9 | 10.7 | 10.8 | 11.7 | 11.0 | 8.9 | 7.0 | 6.7 | 4.2 |
| Precipitation (mm) | 153 | 60 | 124 | 80 | 79 | 140 | 109 | 100 | 46 | 68 | 46 | 71 |
| Sunny days | 11 | 12 | 11 | 14 | 19 | 14 | 6 | 11 | 16 | 15 | 19 | 12 |
| Rainy days | 15 | 14 | 17 | 16 | 12 | 16 | 25 | 20 | 14 | 16 | 10 | 18 |
| Snow days | 5 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Roswell during the most sunny months:
The largest precipitation sum in Roswell is at