January Weather in Princeton, Canada

Last updated: June 18, 2025

In Princeton, Canada, the average temperature in January hovers around -4°C (25°F). Be prepared for a chilly range where temperatures can dip to a frigid -27°C (-16°F) and peak at a mild 7°C (44°F). You'll also experience 83 mm (3.3 in) of precipitation over 14 days, contributing to a high average humidity of 87%. Pack your warmest gear and embrace the wintery vibe!

January Temperature in Princeton

In January in Princeton, the average temperature is -4°C (25°F). The maximum can reach 7°C (44°F), while the minimum can be as low as -27°C (-16°F). Travelers should be prepared for severe cold temperatures and dress accordingly to enjoy their visit.

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

The chart illustrates January 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, January typically has an average temperature of -4°C (25°F), with highs reaching up to 7°C (44°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Princeton

In Princeton in January, the precipitation amount is 83 mm (3.3 in) spread over a period of 14 days.

January Precipitation Trends in Princeton

The chart displays monthly precipitation patterns in Princeton, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Princeton, January typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Princeton

In Princeton in January humidity is 87%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step outside feel like an endeavor as the cold damp air numbs your senses and weighs you down, creating an atmosphere that is both invigorating and challenging for traveling.

January Average Humidity in Princeton

This chart illustrates the average monthly humidity levels in Princeton, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Princeton is approximately 87%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Princeton

In Princeton in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Princeton, you can visit Hourly UV Index in Princeton.

Maximum UV Index Levels in Princeton for January

The chart shows the monthly maximum UV Index (UVI) for Princeton in January, 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 January, the maximum UV index in Princeton typically reaches 2, which falls under the low exposure category.

Data source: Princeton January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	83 mm (3.3 inches)	87%	low
February Weather	-6°C (21°F)	88 mm (3.5 inches)	86%	moderate
March Weather	-1°C (30°F)	64 mm (2.5 inches)	88%	moderate
April Weather	3°C (37°F)	58 mm (2.3 inches)	86%	high
May Weather	8°C (47°F)	47 mm (1.8 inches)	82%	very high
June Weather	11°C (52°F)	44 mm (1.7 inches)	82%	very high
July Weather	14°C (58°F)	20 mm (0.8 inches)	85%	very high
August Weather	14°C (58°F)	17 mm (0.7 inches)	77%	very high
September Weather	10°C (50°F)	52 mm (2.1 inches)	76%	high
October Weather	3°C (38°F)	88 mm (3.5 inches)	88%	moderate
November Weather	0°C (32°F)	124 mm (4.9 inches)	88%	low
December Weather	-4°C (25°F)	114 mm (4.5 inches)	89%	low