October Weather in Princeton

Last updated: March 2, 2024

The weather in Princeton, United States, during October is characterized by an average temperature of 12°C (54°F). Highs can soar to 29°C (85°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Princeton throughout October hovers around 75%.

-2°C (28°F)

Minimum temperature

12°C (54°F)

Average temperature

29°C (85°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In October, Princeton averages 154 mm (6.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 11 hours 4 minutes of daylight, with the sun shining for approximately 7 hours 38 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

154 mm (6.1 inches)

Precipitation

11 rainy days

Rainy days

7 hours 38 minutes

Sunshine hours

45%

Chance of sun

UV Index

In October, the UV Index in Princeton reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 0 1 1 3 4 5 6 5 4 3 1 1 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Princeton's Climate with Cities Worldwide