Last updated: March 2, 2024
The weather in Princeton, United States, during July is characterized by an average temperature of 22°C (72°F). Highs can soar to 31°C (88°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Princeton throughout July hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Princeton averages 78 mm (3.1 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 24 minutes of daylight, with the sun shining for approximately 11 hours 25 minutes each day. Additionally, there is a 49% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Princeton reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 5 | 8 | 10 | 11 | 11 | 9 | 7 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||