Average annual temperature is 21.6 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 301 days
Number of rainy days: 64 days
Look at detailed online map of Onion Spring
* Weather data for Onion Spring 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) | 27.4 | 31.3 | 30.3 | 32.7 | 35.8 | 42.1 | 40.4 | 41.6 | 39.3 | 34.5 | 31.7 | 25.8 |
| Average daytime temperature (°C) | 20.4 | 20.8 | 25.4 | 28.8 | 31.4 | 38.2 | 37.2 | 36.3 | 35.5 | 27.6 | 20.9 | 19.2 |
| Average temperature (°C) | 12.9 | 12.3 | 17.3 | 20.8 | 24.7 | 31.5 | 31.1 | 30.4 | 29.0 | 21.7 | 14.4 | 12.7 |
| Average night temperature (°C) | 7.0 | 6.5 | 10.8 | 13.5 | 18.0 | 24.0 | 24.3 | 24.3 | 22.3 | 16.4 | 9.7 | 7.3 |
| Absolute minimum temperature (°C) | -1.5 | -4.0 | 0.5 | 6.8 | 14.5 | 15.9 | 19.5 | 20.0 | 18.4 | 1.8 | 2.3 | 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 | 13.0 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 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) | 9.2 | 8.7 | 9.5 | 11.6 | 11.3 | 12.3 | 12.6 | 11.7 | 11.4 | 9.6 | 7.6 | 9.0 |
| Precipitation (mm) | 4 | 20 | 34 | 0 | 11 | 7 | 6 | 67 | 2 | 22 | 23 | 5 |
| Sunny days | 29 | 23 | 28 | 29 | 17 | 23 | 27 | 24 | 26 | 25 | 22 | 28 |
| Rainy days | 2 | 5 | 3 | 1 | 14 | 7 | 4 | 7 | 4 | 6 | 8 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onion Spring is at