January Weather in Arnprior, Canada

Last updated: June 18, 2025

In Arnprior, Canada, the average temperature in January hovers around -9°C (16°F). Be prepared for a wide range, as temperatures can plummet to a chilling -33°C (-27°F), while peaking at a mild 10°C (49°F). Expect 71 mm (2.8 in) of precipitation spread over 10 days, contributing to an average humidity of a damp 93%.

January Temperature in Arnprior

In January in Arnprior, the average temperature is -9°C (16°F). The maximum can reach 10°C (49°F), and the minimum can be as low as -33°C (-27°F). Travelers to Arnprior during this month should be prepared for significant temperature fluctuations and dress accordingly to stay warm and comfortable.

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

The chart illustrates January temperature patterns in Arnprior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnprior, January typically has an average temperature of -9°C (16°F), with highs reaching up to 10°C (49°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Arnprior

In Arnprior in January, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

January Precipitation Trends in Arnprior

The chart displays monthly precipitation patterns in Arnprior, 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 Arnprior, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 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 Arnprior

In Arnprior in January, humidity is 93%. With an average temperature of -9°C (16°F), this humidity feels like a biting chill that seeps through your layers, making travel outside an exercise in endurance as the cold dampness wraps around you, leaving you longing for warmth and a cozy respite.

January Average Humidity in Arnprior

This chart illustrates the average monthly humidity levels in Arnprior, 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 Arnprior 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 Arnprior

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

Maximum UV Index Levels in Arnprior for January

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

Data source: Arnprior 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 Arnprior Compares to Other Months

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

This table compares monthly weather conditions in Arnprior, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	71 mm (2.8 inches)	93%	low
February Weather	-8°C (18°F)	75 mm (3.0 inches)	93%	moderate
March Weather	-3°C (28°F)	80 mm (3.1 inches)	86%	moderate
April Weather	5°C (42°F)	110 mm (4.3 inches)	82%	very high
May Weather	13°C (55°F)	115 mm (4.5 inches)	75%	very high
June Weather	18°C (65°F)	95 mm (3.7 inches)	68%	very high
July Weather	21°C (71°F)	107 mm (4.2 inches)	69%	very high
August Weather	20°C (68°F)	101 mm (4.0 inches)	67%	very high
September Weather	15°C (60°F)	70 mm (2.8 inches)	72%	high
October Weather	9°C (48°F)	125 mm (4.9 inches)	83%	moderate
November Weather	0°C (33°F)	90 mm (3.5 inches)	88%	moderate
December Weather	-6°C (22°F)	76 mm (3.0 inches)	89%	low