Average annual temperature is 11.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 248 days
Number of rainy days: 96 days
Number of snow days: 21 days
Look at detailed online map of Sulphur
* Weather data for Sulphur 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) | 9.8 | 14.2 | 12.8 | 30.7 | 32.1 | 33.4 | 39.9 | 35.7 | 30.5 | 26.2 | 20.2 | 14.7 |
| Average daytime temperature (°C) | 4.0 | 7.1 | 7.9 | 17.6 | 22.8 | 26.3 | 35.7 | 31.7 | 25.6 | 18.7 | 10.4 | 7.1 |
| Average temperature (°C) | -0.2 | 0.8 | 2.4 | 10.6 | 16.5 | 19.8 | 29.0 | 25.1 | 18.6 | 12.2 | 5.0 | 2.1 |
| Average night temperature (°C) | -3.5 | -3.4 | -2.0 | 4.5 | 10.3 | 13.0 | 21.0 | 18.1 | 12.1 | 6.7 | 0.3 | -1.8 |
| Absolute minimum temperature (°C) | -12.3 | -8.4 | -9.0 | -5.4 | 0.4 | 4.5 | 17.8 | 13.0 | 3.6 | -4.4 | -7.1 | -7.1 |
| 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) | 6.4 | 8.3 | 8.8 | 11.5 | 12.1 | 13.1 | 13.6 | 11.7 | 10.9 | 9.2 | 8.2 | 6.7 |
| Precipitation (mm) | 49 | 13 | 42 | 15 | 30 | 12 | 0 | 20 | 15 | 22 | 7 | 5 |
| Sunny days | 16 | 18 | 8 | 21 | 15 | 22 | 30 | 23 | 25 | 25 | 22 | 23 |
| Rainy days | 11 | 4 | 14 | 7 | 16 | 8 | 1 | 8 | 5 | 6 | 8 | 8 |
| Snow days | 4 | 6 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sulphur during the most sunny months:
The largest precipitation sum in Sulphur is at