Chilliwack
December
Weather in Chilliwack for December 2025
Your guide to Chilliwack weather in December - trends and predictions
In general, the average temperature in Chilliwack at the beginning of December is 8 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 6.1 °C by the end of December.
Chilliwack experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 377.9 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
7°/3°
Temperatures
8 km/h
Avg max wind
88 %
Avg humidity
Chilliwack in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  6° | 2  6° | 3  9° | 4  10° | 5 10° | 6  8° | |
| 7 7° | 8 6° | 9  4° | 10 6° | 11  7° | 12 7° | 13 8° |
| 14 6° | 15 7° | 16  6° | 17  8° | 18 11° | 19 10° | 20 12° |
| 21  10° | 22 8° | 23 6° | 24 6° | 25 5° | 26 6° | 27 6° |
| 28 8° | 29  6° | 30 6° | 31 6° |
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Temperatures trend during December in Chilliwack
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Light rain | 6° /2° | 7.8 mm | 2 | |
| 2 Dec. | Moderate or heavy rain with thunder | 6° /1° | 14.2 mm | 2 | |
| 3 Dec. | Light rain shower | 9° /1° | 12.6 mm | 3 | |
| 4 Dec. | Heavy rain | 10° /4° | 35.7 mm | 3 | |
| 5 Dec. | Heavy rain | 10° /4° | 44.1 mm | 3 | |
| 6 Dec. | Moderate rain | 8° /4° | 16.9 mm | 2 | |
| 7 Dec. | Light drizzle | 7° /3° | 87.1 mm | 2 | |
| 8 Dec. | Light rain shower | 6° /2° | 23.4 mm | 2 | |
| 9 Dec. | Light sleet | 4° /0° | 17 mm | 1 | |
| 10 Dec. | Moderate rain | 6° /2° | 10.7 mm | 3 | |
| 11 Dec. | Fog | 7° /3° | 1.5 mm | 2 | |
| 12 Dec. | Mist | 7° /3° | 4.6 mm | 2 | |
| 13 Dec. | Patchy rain possible | 8° /3° | 4.2 mm | 2 | |
| 14 Dec. | Moderate rain | 6° /3° | 9.3 mm | 2 | |
| 15 Dec. | Patchy rain possible | 7° /2° | 3.8 mm | 2 | |
| 16 Dec. | Partly cloudy | 6° /3° | 6.2 mm | 2 | |
| 17 Dec. | Sunny | 8° /2° | 0 mm | 3 | |
| 18 Dec. | Patchy rain possible | 11° /5° | 46.1 mm | 3 | |
| 19 Dec. | Light rain | 10° /5° | 15.5 mm | 3 | |
| 20 Dec. | Patchy rain possible | 12° /7° | 4.8 mm | 3 | |
| 21 Dec. | Cloudy | 10° /7° | 12.6 mm | 3 | |
| 22 Dec. | Light rain shower | 8° /3° | 23.4 mm | 2 | |
| 23 Dec. | Patchy rain possible | 6° /3° | 22.9 mm | 2 | |
| 24 Dec. | Light drizzle | 6° /2° | 22.6 mm | 2 | |
| 25 Dec. | Light rain | 5° /2° | 25.8 mm | 2 | |
| 26 Dec. | Moderate rain | 6° /3° | 45.4 mm | 2 | |
| 27 Dec. | Light rain | 6° /3° | 19.3 mm | 2 | |
| 28 Dec. | Light rain shower | 8° /5° | 23.6 mm | 2 | |
| 29 Dec. | Overcast | 6° /2° | 3.4 mm | 2 | |
| 30 Dec. | Light rain | 6° /4° | 8 mm | 2 | |
| 31 Dec. | Patchy rain possible | 6° /2° | 0.3 mm | 2 | |
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Important Notice
Our weather forecast for Chilliwack in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chilliwack forecast closer to your planned date for the most up-to-date weather information.
Chilliwack in December - FAQ
What are the expected maximum and minimum temperatures in Chilliwack during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Chilliwack during December?
Significant rainfall exceeding 377.9 mm is expected in Chilliwack during December, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Chilliwack in December 2025?
Chilliwack typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Chilliwack during December?
The average wind speed in Chilliwack during December is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Chilliwack
Explore the daily rainfall trends and prepare for Chilliwacks December weather 💧
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