Average annual temperature is 10.6 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -21.4 °C
Number of sunny days: 151 days
Number of rainy days: 182 days
Number of snow days: 32 days
Look at detailed online map of Onondaga
* Weather data for Onondaga 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) | 11.3 | 15.7 | 16.6 | 27.3 | 31.4 | 31.7 | 32.4 | 31.6 | 31.6 | 28.7 | 16.9 | 14.0 |
| Average daytime temperature (°C) | 3.1 | 5.4 | 7.1 | 16.0 | 22.0 | 26.6 | 28.0 | 26.2 | 23.4 | 16.1 | 8.8 | 6.7 |
| Average temperature (°C) | -0.1 | -0.2 | 1.9 | 9.4 | 14.8 | 20.1 | 22.3 | 20.6 | 18.2 | 11.7 | 4.2 | 3.5 |
| Average night temperature (°C) | -2.7 | -4.0 | -1.7 | 4.1 | 8.3 | 14.1 | 17.3 | 15.9 | 13.8 | 8.2 | 0.5 | 1.3 |
| Absolute minimum temperature (°C) | -21.4 | -15.8 | -8.8 | -4.1 | 1.1 | 9.3 | 13.0 | 9.3 | 7.3 | -2.0 | -8.1 | -4.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.7 | 6.9 | 6.5 | 8.6 | 10.4 | 11.2 | 11.5 | 10.0 | 7.8 | 6.0 | 6.2 | 3.2 |
| Precipitation (mm) | 71 | 89 | 118 | 108 | 29 | 64 | 100 | 141 | 63 | 119 | 72 | 55 |
| Sunny days | 8 | 12 | 8 | 12 | 23 | 14 | 9 | 13 | 13 | 10 | 17 | 12 |
| Rainy days | 12 | 10 | 16 | 17 | 8 | 16 | 22 | 18 | 17 | 20 | 8 | 18 |
| Snow days | 11 | 6 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 1 |
The best time to visit Onondaga during the most sunny months:
The largest precipitation sum in Onondaga is at