Weather in Chilliwack for December 2025
Weather Warning - See hour by hour.
Snowfall in Chilliwack during December is quite rare, with fewer than 2 snowy days on average.
According to Chilliwack snow forecast for December 2025, 5 snowy days are expected in the next 2 weeks. The closest date with snow is Sunday, 21 December.Until now, December 2025 in Chilliwack has been nearly identical to the historical average, with a temperature of 6.9 °C (showing only a slight deviation of -0.2 °C).
The forecast for the next days in Chilliwack predicts a temperature of 0.3 °C, which is cooler than the historical average.
In general, the average temperature in Chilliwack at the beginning of December is 7.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 0 °C by the end of December.
Chilliwack experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 572.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
Chilliwack Weather December
Temperatures trend during December in Chilliwack
December weather in Chilliwack day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 6° /2° | 5.2 mm | 0 cm | |
| 2 Dec. |  Moderate or heavy rain with thunder | 6° /1° | 9.5 mm | 0 cm | |
| 3 Dec. |  Light rain shower | 7° /1° | 8.4 mm | 0 cm | |
| 4 Dec. |  Heavy rain | 8° /3° | 39.3 mm | 0 cm | |
| 5 Dec. | Heavy rain | 9° /4° | 37.8 mm | 0 cm | |
| 6 Dec. |  Moderate rain | 8° /5° | 36.6 mm | 0 cm | |
| 7 Dec. | Light drizzle | 7° /3° | 69.9 mm | 0 cm | |
| 8 Dec. | Light rain shower | 7° /3° | 71.6 mm | 0 cm | |
| 9 Dec. |  Fog | 5° /2° | 24.1 mm | 0 cm | |
| 10 Dec. | Moderate rain | 7° /3° | 40.2 mm | 0 cm | |
| 11 Dec. | Fog | 8° /4° | 13.9 mm | 0 cm | |
| 12 Dec. | Mist | 7° /4° | 7.8 mm | 0 cm | |
| 13 Dec. | Patchy rain possible | 9° /5° | 7.2 mm | 0 cm | |
| 14 Dec. | Moderate rain | 15° /7° | 8.8 mm | 0 cm | |
| 15 Dec. | Heavy rain | 13° /6° | 64.6 mm | 0 cm | |
| 16 Dec. | Moderate rain | 9° /5° | 12.4 mm | 0 cm | |
| 17 Dec. | Heavy rain | 4° /3° | 40 mm | 0 cm | |
| 18 Dec. | Heavy rain | 3° /2° | 21 mm | 0 cm | |
| 19 Dec. | Moderate rain | 3° /1° | 8.3 mm | 0 cm | |
| 20 Dec. | Moderate rain | 3° /2° | 9.7 mm | 0 cm | |
| 21 Dec. |  Light sleet showers | 2° /-3° | 2.5 mm | 1 cm | |
| 22 Dec. |  Moderate snow | -6° /-10° | 0.5 mm | 0.3 cm | |
| 23 Dec. |  Heavy snow | -7° /-9° | 4.4 mm | 3.1 cm | |
| 24 Dec. |  Patchy moderate snow | -9° /-14° | 0.7 mm | 0.5 cm | |
| 25 Dec. |  Partly cloudy | -11° /-18° | 0 mm | 0 cm | |
| 26 Dec. |  Sunny | -10° /-19° | 0 mm | 0 cm | |
| 27 Dec. | Moderate snow | -5° /-17° | 2.9 mm | 2 cm | |
| 28 Dec. | Light rain shower | 8° /5° | 23.6 mm | 0 cm | |
| 29 Dec. |  Overcast | 6° /2° | 3.4 mm | 0 cm | |
| 30 Dec. | Light rain | 6° /4° | 8 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 6° /2° | 0.3 mm | 0 cm | |
| Next | |||||
Chilliwack in December - FAQ
Chilliwack snow forecast December 2025
December rainfall patterns in Chilliwack
Quick links
Where is Chilliwack?Get accurate weather forecasts for Chilliwack, located at latitude 49.166 and longitude -121.953. Stay updated with localized weather information tailored for Chilliwack.