February Weather in Princeton, United States

Last updated: June 24, 2025

In Princeton, United States, the average temperature in February hovers around 5°C (42°F). Expect a chilly minimum of -15°C (5°F) and occasional warmth peaking at 23°C (74°F). The month sees 150 mm (5.9 in) of precipitation spread across 13 days, contributing to an average humidity level of 84%. Stay prepared for a mix of cold and damp conditions!

February Temperature in Princeton

In February in Princeton, the average temperature is 5°C (42°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -15°C (5°F). It's essential to pack layers and be prepared for a wide range of temperatures while traveling 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 5°C (42°F), with highs reaching up to 23°C (74°F) and lows dropping to around -15°C (5°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 precipitation amount is 150 mm (5.9 in) spread over 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 150 mm (5.9 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 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier 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 84%, 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	3°C (38°F)	97 mm (3.8 inches)	86%	moderate
February Weather	5°C (42°F)	150 mm (5.9 inches)	84%	high
March Weather	10°C (51°F)	135 mm (5.3 inches)	84%	high
April Weather	14°C (58°F)	138 mm (5.4 inches)	80%	very high
May Weather	21°C (69°F)	118 mm (4.7 inches)	82%	extreme
June Weather	25°C (77°F)	118 mm (4.6 inches)	83%	extreme
July Weather	27°C (81°F)	106 mm (4.2 inches)	79%	very high
August Weather	26°C (78°F)	104 mm (4.1 inches)	76%	very high
September Weather	23°C (74°F)	93 mm (3.7 inches)	75%	very high
October Weather	17°C (63°F)	108 mm (4.3 inches)	74%	high
November Weather	9°C (48°F)	96 mm (3.8 inches)	85%	moderate
December Weather	6°C (44°F)	119 mm (4.7 inches)	88%	moderate