Average annual temperature is 22.0 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Saint Charles Parish
* Weather data for Saint Charles Parish 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) | 25.5 | 27.2 | 28.7 | 29.4 | 33.5 | 36.3 | 36.5 | 39.2 | 35.9 | 32.2 | 28.5 | 25.6 |
| Average daytime temperature (°C) | 20.0 | 21.8 | 23.7 | 24.9 | 29.9 | 32.7 | 33.5 | 36.4 | 32.3 | 26.9 | 20.7 | 17.9 |
| Average temperature (°C) | 15.4 | 16.9 | 19.0 | 20.6 | 24.9 | 27.7 | 28.8 | 30.9 | 27.5 | 21.9 | 16.5 | 13.6 |
| Average night temperature (°C) | 11.9 | 13.6 | 15.6 | 17.4 | 20.7 | 23.4 | 24.8 | 26.4 | 23.7 | 18.3 | 13.3 | 10.4 |
| Absolute minimum temperature (°C) | 1.9 | 5.0 | 3.3 | 10.8 | 14.2 | 20.5 | 23.0 | 23.2 | 20.9 | 10.5 | 5.5 | 2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.3 | 7.9 | 9.2 | 8.9 | 10.8 | 11.3 | 11.2 | 12.0 | 11.1 | 9.1 | 6.3 | 7.8 |
| Precipitation (mm) | 107 | 132 | 94 | 121 | 107 | 126 | 132 | 51 | 84 | 60 | 121 | 169 |
| Sunny days | 13 | 10 | 10 | 9 | 5 | 2 | 6 | 12 | 10 | 17 | 15 | 20 |
| Rainy days | 18 | 18 | 21 | 21 | 26 | 28 | 25 | 19 | 20 | 14 | 15 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Saint Charles Parish during the most sunny months:
The largest precipitation sum in Saint Charles Parish is at