Average annual temperature is 11.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 167 days
Number of rainy days: 190 days
Number of snow days: 8 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) | 18.9 | 23.2 | 22.3 | 26.4 | 25.7 | 30.2 | 31.9 | 30.7 | 30.7 | 26.2 | 21.9 | 17.2 |
| Average daytime temperature (°C) | 9.0 | 12.1 | 12.1 | 18.6 | 19.9 | 23.4 | 27.9 | 26.5 | 23.8 | 18.7 | 12.6 | 9.2 |
| Average temperature (°C) | 3.6 | 6.0 | 5.8 | 11.6 | 14.3 | 17.6 | 22.0 | 20.9 | 17.6 | 12.6 | 6.1 | 3.8 |
| Average night temperature (°C) | 0.1 | 1.5 | 1.1 | 6.0 | 9.4 | 12.8 | 17.1 | 16.6 | 13.1 | 7.7 | 1.5 | 0.1 |
| Absolute minimum temperature (°C) | -9.1 | -10.8 | -10.0 | -2.5 | 1.6 | 7.5 | 13.3 | 10.7 | 9.0 | 0.8 | -8.4 | -6.5 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 4.7 | 6.5 | 7.5 | 9.6 | 10.0 | 10.8 | 12.0 | 10.3 | 9.8 | 8.1 | 7.4 | 5.5 |
| Precipitation (mm) | 87 | 99 | 77 | 109 | 99 | 65 | 63 | 81 | 36 | 31 | 46 | 96 |
| Sunny days | 13 | 12 | 14 | 16 | 12 | 12 | 7 | 10 | 18 | 18 | 19 | 16 |
| Rainy days | 17 | 15 | 14 | 14 | 19 | 18 | 24 | 21 | 12 | 13 | 9 | 14 |
| Snow days | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Princeton during the most sunny months:
The largest precipitation sum in Princeton is at