Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 193 days
Number of rainy days: 169 days
Number of snow days: 3 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) | 17.5 | 22.0 | 23.3 | 27.1 | 30.7 | 34.1 | 35.3 | 36.1 | 31.7 | 29.3 | 25.4 | 17.4 |
| Average daytime temperature (°C) | 8.6 | 12.0 | 13.6 | 20.0 | 25.0 | 29.0 | 30.9 | 29.3 | 27.3 | 20.7 | 14.3 | 10.2 |
| Average temperature (°C) | 4.5 | 6.1 | 7.4 | 13.2 | 18.9 | 22.9 | 25.7 | 24.2 | 21.6 | 15.5 | 8.6 | 5.5 |
| Average night temperature (°C) | 1.3 | 1.8 | 2.8 | 7.8 | 13.2 | 17.4 | 20.9 | 19.7 | 16.6 | 11.1 | 4.2 | 2.3 |
| Absolute minimum temperature (°C) | -8.0 | -9.9 | -6.7 | 0.2 | 4.3 | 12.6 | 16.5 | 14.1 | 12.8 | -2.1 | -5.6 | -6.8 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 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) | 4.7 | 7.6 | 7.3 | 10.0 | 11.1 | 11.9 | 11.8 | 11.0 | 10.6 | 7.9 | 7.9 | 5.7 |
| Precipitation (mm) | 137 | 63 | 204 | 73 | 61 | 67 | 61 | 152 | 29 | 56 | 22 | 64 |
| Sunny days | 12 | 18 | 14 | 17 | 18 | 20 | 9 | 12 | 17 | 19 | 23 | 14 |
| Rainy days | 18 | 10 | 15 | 13 | 13 | 10 | 22 | 19 | 13 | 12 | 7 | 17 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Princeton during the most sunny months:
The largest precipitation sum in Princeton is at