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Chilliwack Weather and Climate: A Comprehensive Guide

The temperature in Chilliwack can vary greatly throughout the year. The temperatures shift from warm to cold. It is also known for its large amounts of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Chilliwack. Typically, average maximum daytime temperatures range from a comfortable 22°C in August to a chilly 3°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -2°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Chilliwack has a relatively rain/snowy climate with high precipitation levels, averaging 2435 mm of rain/snowfall annually. The climate in Chilliwack shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 353 mm of precipitation over 20 rainy days.

In contrast, July offers drier and sunnier days, with around 69 mm of rainfall over 9 rainy days. For more details, please visit our Chilliwack Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Chilliwack serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.4 hours of sunshine daily, and embrace the darker days in November, offering only 2.0 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bellingham, the United States of America (59 KM, 37 Miles).

Daily hours of sunshine

Data from: Bellingham, the United States of America (59 KM, 37 Miles).

Forecast for Chilliwack

Sun   Jan 12
8°C | 3°C
NE 2 m/s
almost clear and no rain

almost clear and no rain

Mon   Jan 13
7°C | 2°C
SE 2 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Jan 14
9°C | 3°C
E 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Chilliwack in Canada

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Chilliwack?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Chilliwack?
    The coldest month is December with an average maximum temperature of 3°C.
  • Which is the wettest month in Chilliwack?
    November tops the wettest month list with 353 mm of rainfall.
  • Which is the driest month in Chilliwack?
    July is the driest month with 69 mm of precipitation.
  • Which is the sunniest month in Chilliwack?
    July is the sunniest month with an average of 281 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.