Average annual temperature is 12.3 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -19.8 °C
Number of sunny days: 227 days
Number of rainy days: 120 days
Number of snow days: 18 days
Look at detailed online map of Ithaca
* Weather data for Ithaca 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) | 10.3 | 13.6 | 22.9 | 30.1 | 31.6 | 34.0 | 35.9 | 37.8 | 35.1 | 32.3 | 19.9 | 15.3 |
| Average daytime temperature (°C) | 2.0 | 6.4 | 9.4 | 19.2 | 25.9 | 30.0 | 29.1 | 30.1 | 27.9 | 19.0 | 12.4 | 6.6 |
| Average temperature (°C) | -2.3 | -0.5 | 2.5 | 11.7 | 19.2 | 24.1 | 23.7 | 24.5 | 21.8 | 13.5 | 6.4 | 1.9 |
| Average night temperature (°C) | -5.6 | -5.3 | -2.1 | 5.6 | 13.0 | 18.0 | 19.1 | 19.8 | 16.5 | 9.0 | 1.5 | -1.8 |
| Absolute minimum temperature (°C) | -17.1 | -19.8 | -10.9 | -4.9 | 3.4 | 10.7 | 12.5 | 12.6 | 10.1 | -5.6 | -7.2 | -5.9 |
| 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 | 9.3 |
| 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) | 5.2 | 7.5 | 8.4 | 10.2 | 11.4 | 13.1 | 11.6 | 11.3 | 10.3 | 7.9 | 7.1 | 5.2 |
| Precipitation (mm) | 40 | 37 | 38 | 32 | 73 | 72 | 128 | 67 | 37 | 45 | 15 | 46 |
| Sunny days | 18 | 19 | 23 | 22 | 15 | 15 | 12 | 18 | 22 | 16 | 25 | 22 |
| Rainy days | 7 | 6 | 7 | 7 | 16 | 15 | 19 | 13 | 8 | 14 | 3 | 5 |
| Snow days | 6 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Ithaca during the most sunny months:
The largest precipitation sum in Ithaca is at