Average annual temperature is 2.9 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 149 days
Number of rainy days: 124 days
Number of snow days: 92 days
Look at detailed online map of Princeton
* Weather data for Princeton 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) | 6.2 | 6.0 | 7.6 | 14.3 | 17.6 | 23.8 | 28.9 | 26.2 | 24.1 | 19.7 | 10.9 | 7.0 |
| Average daytime temperature (°C) | -1.7 | 0.8 | 1.6 | 7.3 | 13.3 | 18.5 | 25.2 | 23.1 | 19.2 | 13.5 | 5.3 | 1.5 |
| Average temperature (°C) | -7.9 | -7.1 | -5.4 | -0.4 | 6.1 | 10.2 | 16.5 | 15.2 | 11.0 | 5.1 | -2.7 | -6.1 |
| Average night temperature (°C) | -12.9 | -12.8 | -11.9 | -6.9 | -0.2 | 1.6 | 7.3 | 7.2 | 3.4 | -1.2 | -8.6 | -11.7 |
| Absolute minimum temperature (°C) | -21.0 | -19.0 | -19.9 | -16.0 | -3.0 | -2.0 | 3.1 | 3.7 | 0.0 | -17.4 | -17.6 | -21.9 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.9 | 9.1 | 9.7 | 11.6 | 11.7 | 13.1 | 13.4 | 12.1 | 10.9 | 9.7 | 8.5 | 7.5 |
| Precipitation (mm) | 36 | 41 | 45 | 46 | 76 | 69 | 42 | 68 | 54 | 35 | 18 | 17 |
| Sunny days | 15 | 14 | 8 | 8 | 4 | 7 | 12 | 7 | 13 | 19 | 23 | 19 |
| Rainy days | 1 | 2 | 0 | 2 | 26 | 23 | 19 | 24 | 17 | 9 | 0 | 1 |
| Snow days | 15 | 12 | 23 | 20 | 1 | 0 | 0 | 0 | 0 | 3 | 7 | 11 |
The best time to visit Princeton during the most sunny months:
The largest precipitation sum in Princeton is at