Average annual temperature is 12.0 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -21.8 °C
Number of sunny days: 194 days
Number of rainy days: 152 days
Number of snow days: 19 days
Look at detailed online map of Geneseo
* Weather data for Geneseo 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) | 13.1 | 12.7 | 21.9 | 25.7 | 32.8 | 33.8 | 35.3 | 36.4 | 33.3 | 29.1 | 19.1 | 15.1 |
| Average daytime temperature (°C) | 3.0 | 6.0 | 8.6 | 17.4 | 25.0 | 29.5 | 29.1 | 28.6 | 25.7 | 17.8 | 10.3 | 7.1 |
| Average temperature (°C) | -1.2 | 0.3 | 3.2 | 10.6 | 18.3 | 23.1 | 23.7 | 23.3 | 20.2 | 13.1 | 5.3 | 3.2 |
| Average night temperature (°C) | -4.2 | -4.1 | -0.8 | 4.9 | 11.9 | 16.8 | 18.3 | 18.5 | 15.6 | 9.3 | 1.2 | 0.5 |
| Absolute minimum temperature (°C) | -21.8 | -18.7 | -12.0 | -1.7 | 2.6 | 9.0 | 13.5 | 10.7 | 10.2 | -2.4 | -11.4 | -7.9 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.9 | 7.2 | 6.6 | 9.2 | 11.3 | 12.6 | 12.5 | 11.1 | 9.7 | 7.5 | 7.2 | 4.0 |
| Precipitation (mm) | 69 | 81 | 77 | 58 | 41 | 29 | 127 | 93 | 67 | 89 | 25 | 68 |
| Sunny days | 13 | 16 | 15 | 16 | 21 | 19 | 14 | 16 | 12 | 14 | 22 | 16 |
| Rainy days | 7 | 10 | 14 | 14 | 10 | 11 | 17 | 15 | 18 | 16 | 6 | 14 |
| Snow days | 11 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Geneseo during the most sunny months:
The largest precipitation sum in Geneseo is at