July Weather in Princeton

Last updated: March 2, 2024

The weather in Princeton, United States, during July is characterized by an average temperature of 26°C (78°F). Highs can soar to 36°C (97°F), while lows may dip to 16°C (61°F). Typically, the humidity level in Princeton throughout July hovers around 62%.

16°C (61°F)

Minimum temperature

26°C (78°F)

Average temperature

36°C (97°F)

Maximum temperature

62%

Humidity

Precipitation and Sunshine hours

In July, Princeton averages 139 mm (5.5 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 39 minutes of daylight, with the sun shining for approximately 11 hours 14 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

139 mm (5.5 inches)

Precipitation

14 rainy days

Rainy days

11 hours 14 minutes

Sunshine hours

45%

Chance of sun

UV Index

In July, the UV Index in Princeton reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 2 4 6 8 9 10 9 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

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