January Weather in Barrie, Canada

Last updated: June 18, 2025

In January, the average temperature in Barrie, Canada hovers around -6°C (21°F). While winter can bite with minimums plummeting to -29°C (-20°F), there's a hint of warmth possible with maximums reaching 11°C (51°F). Expect a wet month, with approximately 62 mm (2.5 in) of precipitation over 11 days and an average humidity level of 93%, adding to the chill in the air.

January Temperature in Barrie

In January in Barrie, the average temperature is -6°C (21°F). The maximum can reach 11°C (51°F) and the minimum can be as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Barrie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barrie, January typically has an average temperature of -6°C (21°F), with highs reaching up to 11°C (51°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Barrie

In Barrie in January, the precipitation amount is 62 mm (2.5 in), occurring over a span of 11 days.

January Precipitation Trends in Barrie

The chart displays monthly precipitation patterns in Barrie, 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 Barrie, January typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 11 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 Barrie

In Barrie in January, humidity is 93%. With an average temperature of -6°C (21°F), this humidity feels like an icy mist that clings to your skin, making every breath feel crisp and challenging for outdoor exploration.

January Average Humidity in Barrie

This chart illustrates the average monthly humidity levels in Barrie, 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 Barrie is approximately 93%, 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 Barrie

In Barrie 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 Barrie, you can visit Hourly UV Index in Barrie.

Maximum UV Index Levels in Barrie for January

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

Data source: Barrie 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 Barrie Compares to Other Months

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

This table compares monthly weather conditions in Barrie, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	62 mm (2.5 inches)	93%	low
February Weather	-5°C (23°F)	68 mm (2.7 inches)	94%	moderate
March Weather	-1°C (30°F)	63 mm (2.5 inches)	87%	moderate
April Weather	5°C (41°F)	107 mm (4.2 inches)	82%	very high
May Weather	12°C (55°F)	90 mm (3.5 inches)	74%	very high
June Weather	18°C (65°F)	100 mm (3.9 inches)	68%	very high
July Weather	21°C (70°F)	98 mm (3.9 inches)	67%	very high
August Weather	20°C (69°F)	115 mm (4.5 inches)	67%	very high
September Weather	16°C (61°F)	85 mm (3.4 inches)	74%	high
October Weather	10°C (50°F)	104 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	87 mm (3.4 inches)	89%	moderate
December Weather	-3°C (27°F)	79 mm (3.1 inches)	91%	low