February Weather in Princeton, United States

Last updated: June 24, 2025

In Princeton, United States, the average temperature in February hovers around 4°C (40°F), with extremes ranging from a chilly -19°C (-1°F) to a warm 24°C (76°F). Visitors can expect about 124 mm (4.9 in) of precipitation spread over 13 days, contributing to an average humidity level of 87%. Whether you’re planning outdoor activities or cozy indoor time, it's best to be prepared for varied weather!

February Temperature in Princeton

In February in Princeton, the average temperature is 4°C (40°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -19°C (-1°F). Be prepared for a wide range of temperatures and pack accordingly for your travel to Princeton!

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 4°C (40°F), with highs reaching up to 24°C (76°F) and lows dropping to around -19°C (-1°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 124 mm (4.9 in) over a span of 13 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 124 mm (4.9 inches) of precipitation spread over approximately 13 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 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

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 87%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Princeton, you can refer to this Hourly UV Index in Princeton.

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 6, which falls under the high 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	1°C (34°F)	77 mm (3.0 inches)	87%	moderate
February Weather	4°C (40°F)	124 mm (4.9 inches)	87%	high
March Weather	7°C (45°F)	100 mm (3.9 inches)	86%	very high
April Weather	11°C (53°F)	120 mm (4.7 inches)	84%	very high
May Weather	17°C (62°F)	133 mm (5.2 inches)	83%	extreme
June Weather	20°C (68°F)	119 mm (4.7 inches)	83%	extreme
July Weather	22°C (72°F)	78 mm (3.1 inches)	79%	extreme
August Weather	21°C (70°F)	109 mm (4.3 inches)	66%	very high
September Weather	19°C (66°F)	109 mm (4.3 inches)	68%	very high
October Weather	14°C (57°F)	115 mm (4.5 inches)	78%	high
November Weather	6°C (43°F)	72 mm (2.8 inches)	89%	moderate
December Weather	4°C (39°F)	96 mm (3.8 inches)	86%	moderate