January Weather in Chilliwack, Canada

Last updated: June 18, 2025

In January, the average temperature in Chilliwack, Canada hovers around 0°C (33°F), with a chilly minimum reaching -17°C (2°F) and a mild maximum of 7°C (45°F). Expect 305 mm (12.0 in) of precipitation spread over 16 days, contributing to an average humidity level of 87%. Prepare for a damp, cool month!

January Temperature in Chilliwack

In January in Chilliwack, the average temperature is 0°C (33°F). Maximum temperatures can reach 7°C (45°F), while minimums can drop as low as -17°C (2°F). Be prepared for a wide range of temperatures, and pack accordingly for your trip!

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

The chart illustrates January temperature patterns in Chilliwack, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chilliwack, January typically has an average temperature of 0°C (33°F), with highs reaching up to 7°C (45°F) and lows dropping to around -17°C (2°F).

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

January Precipitation in Chilliwack

In Chilliwack in January, the precipitation amount is 305 mm (12.0 in) over a span of 16 days.

January Precipitation Trends in Chilliwack

The chart displays monthly precipitation patterns in Chilliwack, 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 Chilliwack, January typically receives around 305 mm (12.0 inches) of precipitation spread over approximately 16 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 Chilliwack

In Chilliwack in January, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.

January Average Humidity in Chilliwack

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

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

Maximum UV Index Levels in Chilliwack for January

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

Data source: Chilliwack 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 Chilliwack Compares to Other Months

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

This table compares monthly weather conditions in Chilliwack, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	305 mm (12.0 inches)	87%	low
February Weather	-1°C (30°F)	272 mm (10.7 inches)	86%	moderate
March Weather	3°C (37°F)	236 mm (9.3 inches)	88%	moderate
April Weather	6°C (43°F)	181 mm (7.1 inches)	86%	high
May Weather	11°C (52°F)	103 mm (4.1 inches)	82%	very high
June Weather	13°C (56°F)	95 mm (3.8 inches)	82%	very high
July Weather	16°C (62°F)	56 mm (2.2 inches)	85%	very high
August Weather	17°C (62°F)	42 mm (1.7 inches)	77%	very high
September Weather	13°C (56°F)	187 mm (7.4 inches)	76%	high
October Weather	7°C (45°F)	292 mm (11.5 inches)	88%	moderate
November Weather	4°C (39°F)	435 mm (17.1 inches)	88%	low
December Weather	0°C (33°F)	346 mm (13.6 inches)	89%	low