January Weather in Windsor, United States

Last updated: June 24, 2025

In January, the average temperature in Windsor, United States hovers around -1°C (30°F), making it a chilly time of year. The temperature can drop as low as -26°C (-14°F), while occasionally peaking at 17°C (62°F). Expect about 17 mm (0.7 in) of precipitation over 4 days, contributing to an average humidity level of 84%. Stay warm and prepared for the fluctuating weather!

January Temperature in Windsor

In January in Windsor, the average temperature is -1°C (30°F), with maximums reaching 17°C (62°F) and minimums plummeting to -26°C (-14°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Windsor, January typically has an average temperature of -1°C (30°F), with highs reaching up to 17°C (62°F) and lows dropping to around -26°C (-14°F).

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

January Precipitation in Windsor

In Windsor in January, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

January Precipitation Trends in Windsor

The chart displays monthly precipitation patterns in Windsor, 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 Windsor, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Windsor

In Windsor in January, humidity is 84%. With an average temperature of -1°C (30°F), this humidity feels like a sharp chill that seeps into your bones, making travel uncomfortable as the wetness in the air intensifies the cold, leaving you yearning for warmth and shelter.

January Average Humidity in Windsor

This chart illustrates the average monthly humidity levels in Windsor, 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 Windsor is approximately 84%, 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 Windsor

In Windsor in January, 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 Windsor for better planning.

Maximum UV Index Levels in Windsor for January

The chart shows the monthly maximum UV Index (UVI) for Windsor 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 Windsor typically reaches 4, which falls under the moderate exposure category.

Data source: Windsor 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 Windsor Compares to Other Months

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

This table compares monthly weather conditions in Windsor, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	17 mm (0.7 inches)	84%	moderate
February Weather	-2°C (29°F)	23 mm (0.9 inches)	85%	high
March Weather	4°C (40°F)	53 mm (2.1 inches)	75%	very high
April Weather	8°C (47°F)	53 mm (2.1 inches)	67%	extreme
May Weather	13°C (56°F)	116 mm (4.6 inches)	67%	extreme
June Weather	20°C (68°F)	40 mm (1.6 inches)	68%	extreme
July Weather	23°C (74°F)	30 mm (1.2 inches)	62%	extreme
August Weather	22°C (72°F)	37 mm (1.5 inches)	63%	extreme
September Weather	19°C (66°F)	26 mm (1.0 inches)	63%	very high
October Weather	9°C (49°F)	36 mm (1.4 inches)	72%	high
November Weather	4°C (40°F)	21 mm (0.8 inches)	79%	moderate
December Weather	1°C (33°F)	16 mm (0.6 inches)	85%	moderate