Average annual temperature is 14.4 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -8.0 °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 Louellen
* Weather data for Louellen 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) | 17.6 | 24.0 | 23.2 | 26.7 | 26.6 | 30.4 | 33.5 | 33.5 | 30.8 | 28.5 | 23.4 | 16.7 |
| Average daytime temperature (°C) | 10.9 | 13.6 | 14.3 | 19.7 | 22.7 | 25.8 | 29.6 | 27.6 | 25.8 | 20.2 | 14.8 | 11.0 |
| Average temperature (°C) | 5.8 | 8.0 | 8.4 | 13.7 | 17.1 | 20.5 | 24.3 | 23.0 | 20.5 | 15.1 | 9.2 | 6.5 |
| Average night temperature (°C) | 2.4 | 3.9 | 3.9 | 9.0 | 12.9 | 16.2 | 20.4 | 19.3 | 16.6 | 11.2 | 5.4 | 3.4 |
| Absolute minimum temperature (°C) | -6.8 | -7.8 | -8.0 | 0.7 | 4.9 | 11.2 | 16.9 | 12.8 | 12.5 | 3.9 | -5.3 | -6.7 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 4.9 | 6.3 | 8.0 | 9.6 | 10.6 | 11.1 | 11.5 | 10.4 | 10.6 | 8.1 | 7.7 | 5.8 |
| Precipitation (mm) | 124 | 106 | 89 | 80 | 100 | 50 | 50 | 123 | 60 | 47 | 48 | 93 |
| Sunny days | 10 | 17 | 16 | 16 | 9 | 13 | 5 | 9 | 15 | 19 | 18 | 13 |
| Rainy days | 18 | 10 | 12 | 14 | 22 | 17 | 26 | 22 | 15 | 12 | 10 | 15 |
| Snow days | 3 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Louellen during the most sunny months:
The largest precipitation sum in Louellen is at