Average annual temperature is 18.8 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 199 days
Number of rainy days: 166 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) | 23.4 | 26.2 | 26.9 | 28.7 | 32.4 | 38.6 | 38.6 | 41.4 | 38.6 | 33.5 | 28.0 | 20.6 |
| Average daytime temperature (°C) | 15.2 | 16.9 | 20.0 | 22.9 | 28.4 | 33.7 | 34.6 | 36.8 | 32.4 | 25.2 | 18.3 | 15.2 |
| Average temperature (°C) | 10.1 | 11.0 | 13.8 | 16.5 | 22.2 | 26.8 | 28.2 | 29.9 | 25.7 | 19.4 | 12.5 | 9.5 |
| Average night temperature (°C) | 6.5 | 6.8 | 9.1 | 11.4 | 17.0 | 21.2 | 23.6 | 24.5 | 20.5 | 14.9 | 8.1 | 5.3 |
| Absolute minimum temperature (°C) | -2.7 | -3.0 | -2.3 | 5.1 | 9.3 | 17.8 | 19.7 | 19.0 | 16.8 | 1.4 | -0.5 | -0.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 6.2 | 7.9 | 8.2 | 10.7 | 12.1 | 11.1 | 11.8 | 10.2 | 8.0 | 7.5 | 7.4 |
| Precipitation (mm) | 179 | 97 | 210 | 192 | 147 | 105 | 108 | 62 | 41 | 102 | 78 | 110 |
| Sunny days | 16 | 12 | 14 | 12 | 18 | 10 | 13 | 20 | 18 | 21 | 23 | 22 |
| Rainy days | 15 | 16 | 17 | 18 | 13 | 20 | 18 | 11 | 12 | 10 | 7 | 9 |
| Snow days | 0 | 0 | 0 | 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