February Weather in Princeton, United States

Last updated: June 24, 2025

In February, the average temperature in Princeton, United States hovers around -6°C (21°F), with potential extremes ranging from a chilling -33°C (-26°F) to a surprising 19°C (67°F). Expect about 50 mm (2.0 in) of precipitation spread over 8 days, contributing to an overall 85% average humidity. Stay warm and prepared for varied conditions!

February Temperature in Princeton

In February in Princeton, the average temperature is -6°C (21°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -33°C (-26°F). Be prepared for a wide temperature range if you plan to travel during this time!

February Weather in Princeton: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Princeton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Princeton, February typically has an average temperature of -6°C (21°F), with highs reaching up to 19°C (67°F) and lows dropping to around -33°C (-26°F).

Data source: Temperature data for Princeton generated using information from the Copernicus Climate Change Service.

February Precipitation in Princeton

In Princeton in February, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.

February Precipitation Trends in Princeton

The chart displays monthly precipitation patterns in Princeton, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Princeton, February typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Princeton

In Princeton in February, humidity is 85%. With an average temperature of -6°C (21°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and forcing you to bundle up even more than usual as you navigate through frosty air.

February Average Humidity in Princeton

This chart illustrates the average monthly humidity levels in Princeton, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Princeton is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Princeton

In Princeton in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Princeton for better planning.

Maximum UV Index Levels in Princeton for February

The chart shows the monthly maximum UV Index (UVI) for Princeton in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in Princeton typically reaches 4, which falls under the moderate exposure category.

Data source: Princeton February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How February Weather in Princeton Compares to Other Months

Weather in Princeton varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Princeton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Princeton, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	46 mm (1.8 inches)	85%	moderate
February Weather	-6°C (21°F)	50 mm (2.0 inches)	85%	moderate
March Weather	1°C (34°F)	60 mm (2.4 inches)	85%	moderate
April Weather	7°C (45°F)	99 mm (3.9 inches)	85%	very high
May Weather	15°C (59°F)	117 mm (4.6 inches)	78%	very high
June Weather	21°C (70°F)	108 mm (4.3 inches)	80%	very high
July Weather	23°C (74°F)	109 mm (4.3 inches)	78%	very high
August Weather	21°C (71°F)	100 mm (3.9 inches)	76%	very high
September Weather	18°C (64°F)	89 mm (3.5 inches)	79%	high
October Weather	10°C (51°F)	105 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	46 mm (1.8 inches)	88%	moderate
December Weather	-2°C (28°F)	48 mm (1.9 inches)	81%	low