Average annual temperature is 18.0 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 223 days
Number of rainy days: 141 days
Number of snow days: 1 day
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) | 21.8 | 24.3 | 27.0 | 28.9 | 32.5 | 38.5 | 39.7 | 41.3 | 37.4 | 30.8 | 28.2 | 21.9 |
| Average daytime temperature (°C) | 13.3 | 14.8 | 18.0 | 21.3 | 26.8 | 32.5 | 35.0 | 36.4 | 31.5 | 23.2 | 17.7 | 13.4 |
| Average temperature (°C) | 7.9 | 8.0 | 12.1 | 15.6 | 21.4 | 26.2 | 28.9 | 30.1 | 25.8 | 18.3 | 12.1 | 8.6 |
| Average night temperature (°C) | 3.8 | 3.5 | 7.7 | 11.3 | 17.2 | 21.3 | 24.3 | 25.0 | 21.2 | 14.2 | 8.1 | 5.1 |
| Absolute minimum temperature (°C) | -6.8 | -5.7 | -3.2 | 6.7 | 8.9 | 16.6 | 21.3 | 18.8 | 16.9 | 0.7 | -1.6 | -0.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 6.6 | 7.8 | 9.6 | 10.1 | 11.8 | 11.7 | 12.3 | 10.2 | 7.9 | 8.1 | 7.0 |
| Precipitation (mm) | 50 | 101 | 129 | 62 | 58 | 71 | 66 | 5 | 66 | 157 | 28 | 49 |
| Sunny days | 21 | 14 | 17 | 17 | 13 | 12 | 18 | 28 | 19 | 18 | 23 | 23 |
| Rainy days | 10 | 13 | 14 | 13 | 18 | 18 | 13 | 3 | 11 | 13 | 7 | 8 |
| Snow days | 0 | 1 | 0 | 0 | 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