Average temperature in April is 16.1 °C
Average daytime temperature is 22.3 °C
Average night temperature is 10.6 °C
Absolute maximum temperature: 28.9 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 13
Number of rainy days: 17
Number of snow days:
Precipitation sum: 137 mm
* Weather data for Princeton United States is based on climate observations for 2023 year
| Aprile (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 25.1 | 23 | 17.1 | 24.9 | 28.9 | 28.5 | 22.3 | 9 | 16.5 | 16.8 | 20.6 | 23.9 | 23.6 | 21.6 | 24.2 | 24.5 | 20.2 | 23.7 | 27.6 | 28.1 | 26.2 | 23.1 | 21.4 | 19.4 | 20.8 | 17.2 | 18.6 | 23.4 | 25.4 | 22.4 |
| Apparent max temperature | 21.7 | 20.5 | 16.5 | 26.3 | 29.1 | 30.8 | 24 | 4.8 | 13.6 | 14.8 | 20.5 | 24.3 | 23.1 | 21.8 | 22.7 | 25.2 | 19.5 | 22.2 | 27 | 28 | 26 | 20.8 | 19.6 | 19.1 | 19.6 | 14.7 | 18.9 | 23 | 27.3 | 21.2 |
| Mean temperature | 19.8 | 15.8 | 13.5 | 16.4 | 20.6 | 22.2 | 17.8 | 7 | 8.9 | 10.1 | 11.9 | 14.9 | 16 | 16.8 | 17.7 | 19.1 | 15 | 15.6 | 19 | 20.3 | 20 | 18.8 | 15.3 | 14.6 | 13.5 | 13.6 | 13.4 | 18.5 | 18.6 | 17.2 |
| Apparent mean temperature | 15.8 | 2.9 | 8 | 9.6 | 14.5 | 18.2 | 7.3 | 1.6 | 0.4 | -0.6 | 0.1 | 4.8 | 6.7 | 13.6 | 11.3 | 15.5 | 5.4 | 4.3 | 9 | 11.3 | 12 | 14.3 | 5.4 | 5.7 | 3.2 | 10.5 | 9.5 | 15.6 | 11.2 | 13.1 |
| Minimum temperature | 17 | 6.5 | 9.7 | 10.2 | 14.4 | 17.5 | 11.3 | 5.5 | 4.7 | 3.6 | 3.3 | 7.2 | 8.6 | 14.4 | 11.7 | 15.5 | 8.5 | 7.6 | 10.6 | 13.2 | 13.4 | 14.7 | 8.2 | 9.8 | 7.6 | 12.2 | 10.6 | 15.5 | 11.5 | 13.7 |
| Apparent min temperature | 17.6 | 12.9 | 12.2 | 16.9 | 21.6 | 23.6 | 18.6 | 3.1 | 5.1 | 6.6 | 10.1 | 13.3 | 14.7 | 17.1 | 17.5 | 19 | 11.9 | 12.7 | 17.7 | 19.3 | 18.9 | 17.3 | 12.4 | 11.8 | 10.7 | 11.7 | 13 | 19 | 18.8 | 16.7 |
| Aprile | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 |
| Sunshine duration (h) | 7.1 | 11.7 | 0.5 | 8.4 | 11.3 | 9.1 | 2.5 | 0 | 11.4 | 12 | 12.1 | 12.1 | 9.6 | 7.6 | 11.4 | 10.6 | 12.1 | 12.3 | 12.3 | 12.4 | 12.4 | 10.9 | 12.5 | 10.3 | 9.7 | 1.6 | 0.8 | 10 | 10.1 | 7.2 |
| Precipitation (mm) | 7.8 | 0 | 1.1 | 0.9 | 0.1 | 5.2 | 14.1 | 34.9 | 5.9 | 0 | 0 | 0 | 0.1 | 7.7 | 0.2 | 1.8 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 0 | 0 | 3.4 | 20 | 12.5 | 0 | 11.8 |
| Precipitation hours | 4 | 0 | 3 | 2 | 1 | 5 | 11 | 15 | 7 | 0 | 0 | 0 | 1 | 10 | 1 | 9 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 7 | 12 | 14 | 0 | 14 |
| Wind speed (m/s) | 34 | 27.7 | 10.2 | 11.6 | 17.1 | 13.8 | 23 | 23.7 | 22 | 16.1 | 9.8 | 10.6 | 14.9 | 14 | 17 | 19.1 | 21.3 | 15.6 | 15.3 | 11.8 | 14.9 | 19.8 | 17.7 | 14.2 | 14.1 | 13.8 | 12.6 | 16.6 | 12.4 | 27.9 |
In April 2023, the highest daytime temperature in Princeton was 28.9°C.
While the minimum temperature at night dropped to 3.3°C.
The average nighttime and daytime temperatures during April in Princeton are 10.6°C and 22.3°C respectively.
The precipitation sum in April is about 137 mm.