December is one of the cooler months of the year in Campbell River, with average highs near 3.1°C and lows around -0.7°C (mean 1.2°C). It is a relatively wet time of year, averaging 186 mm of rainfall and 91% relative humidity across the period.
December is one of the cooler months of the year in Campbell River. Across 45 years of records, the warmest December in Campbell River was 2023 — when the month averaged 4.5°C — while the coldest was 1983 at -2.9°C. Typical December days reach 3.1°C with nights near -0.7°C. The long-term trend is warming, about 0.3°C per decade.
December is a relatively wet time of year in Campbell River, averaging 186 mm of rainfall. The wettest December on record was 1998 with 312 mm, while the driest was 2017 at 77 mm.
Relative humidity in Campbell River during December averages 91%. The most humid December was 2025 at 95%, and the least humid was 2009 at 83%.
December receives about 0.6 kWh/m²/day of solar energy in Campbell River. The sunniest Decembers were 2009 and 2017 at 0.8 kWh/m²/day, and the cloudiest were 1989 and 2006 at 0.4.
Average wind speed in Campbell River during December is 1 m/s. The windiest December was 2010 at 1.2 m/s, while the calmest was 1989 at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 0.7°C | 1.1°C | 1.3°C | 1.3°C | 1.8°C | +1.1°C |
| Avg High | 2.7°C | 3.0°C | 3.2°C | 3.1°C | 3.8°C | +1.1°C |
| Avg Low | -1.2°C | -0.8°C | -0.6°C | -0.6°C | -0.1°C | +1.1°C |
| Avg Rain | 172 mm | 222 mm | 191 mm | 178 mm | 150 mm | -22 mm |
December temperatures in Campbell River have risen by about 2.1°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -18.7°C (1990) to a record high of 12.5°C (2025).
Rainfall in December is a relatively wet time of year, averaging 186 mm, with a wettest year of 312 mm.
A quieter season to visit Campbell River
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Campbell River. That said, December — with days averaging 3.1°C and nights around -0.7°C (mean 1.2°C) and higher rainfall (186 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 4.3°C | 2.7°C | 1.1°C | 12.5°C | -6.7°C | 172 mm | 95% | 0.9 m/s | — |
| 2024 | 5.7°C | 4.0°C | 2.3°C | 9.3°C | -0.5°C | 153 mm | 92% | 1 m/s | 0.6 |
| 2023 🔥 | 6.1°C | 4.5°C | 2.9°C | 10.2°C | -1.2°C | 171 mm | 93% | 1 m/s | 0.6 |
| 2022 | 1.9°C | -0.5°C | -2.9°C | 8.0°C | -13.4°C | 136 mm | 90% | 1 m/s | 0.7 |
| 2021 | -0.2°C | -2.6°C | -5.0°C | 10.0°C | -18.4°C | 106 mm | 91% | 0.9 m/s | 0.7 |
| 2020 | 4.7°C | 2.9°C | 1.1°C | 8.8°C | -3.4°C | 161 mm | 92% | 1 m/s | 0.6 |
| 2019 | 3.9°C | 2.4°C | 0.8°C | 8.1°C | -2.5°C | 181 mm | 94% | 0.9 m/s | 0.5 |
| 2018 | 4.2°C | 2.1°C | 0.0°C | 8.2°C | -4.1°C | 235 mm | 91% | 1.1 m/s | 0.6 |
| 2017 | 3.1°C | 1.0°C | -1.0°C | 7.2°C | -8.8°C | 77 mm | 86% | 0.8 m/s | 0.8 |
| 2016 | 0.5°C | -1.7°C | -3.9°C | 7.1°C | -14.4°C | 130 mm | 90% | 1 m/s | 0.7 |
| 2015 | 3.4°C | 1.5°C | -0.5°C | 9.3°C | -8.3°C | 268 mm | 92% | 1.1 m/s | 0.5 |
| 2014 | 4.9°C | 3.1°C | 1.2°C | 11.6°C | -6.9°C | 191 mm | 90% | 1 m/s | 0.6 |
| 2013 | 1.9°C | 0.1°C | -1.7°C | 7.6°C | -10.8°C | 86 mm | 89% | 0.8 m/s | 0.6 |
| 2012 | 2.5°C | 1.2°C | -0.2°C | 6.6°C | -3.0°C | 198 mm | 94% | 0.9 m/s | 0.5 |
| 2011 | 3.3°C | 1.4°C | -0.4°C | 7.0°C | -5.9°C | 125 mm | 91% | 0.9 m/s | 0.6 |
| 2010 | 3.4°C | 1.5°C | -0.3°C | 7.9°C | -6.5°C | 291 mm | 92% | 1.2 m/s | 0.5 |
| 2009 | 2.2°C | -0.1°C | -2.3°C | 6.1°C | -9.2°C | 114 mm | 83% | 1 m/s | 0.8 |
| 2008 | 0.8°C | -1.6°C | -3.9°C | 9.2°C | -16.3°C | 146 mm | 89% | 0.9 m/s | 0.6 |
| 2007 | 1.9°C | 0.3°C | -1.2°C | 7.8°C | -7.1°C | 251 mm | 94% | 1 m/s | 0.5 |
| 2006 | 3.0°C | 1.6°C | 0.1°C | 8.1°C | -4.4°C | 288 mm | 94% | 1.1 m/s | 0.4 |
| 2005 | 4.7°C | 2.8°C | 0.9°C | 11.4°C | -4.8°C | 202 mm | 88% | 1 m/s | 0.6 |
| 2004 | 4.7°C | 2.7°C | 0.7°C | 9.6°C | -5.0°C | 182 mm | 94% | 0.9 m/s | 0.6 |
| 2003 | 3.4°C | 1.6°C | -0.2°C | 6.9°C | -8.7°C | 231 mm | 93% | 1.1 m/s | 0.5 |
| 2002 | 5.2°C | 3.4°C | 1.6°C | 10.2°C | -4.5°C | 160 mm | 92% | 1.1 m/s | 0.6 |
| 2001 | 3.0°C | 1.2°C | -0.7°C | 5.3°C | -5.9°C | 187 mm | 91% | 1.1 m/s | 0.7 |
| 2000 | 3.2°C | 1.1°C | -0.9°C | 7.9°C | -9.7°C | 151 mm | 86% | 0.9 m/s | 0.7 |
| 1999 | 4.4°C | 2.8°C | 1.2°C | 8.0°C | -0.6°C | 197 mm | 88% | 0.9 m/s | 0.5 |
| 1998 🌧️ | 2.6°C | 0.9°C | -0.9°C | 8.7°C | -12.5°C | 312 mm | 92% | 1 m/s | 0.5 |
| 1997 | 5.3°C | 3.4°C | 1.5°C | 8.8°C | -3.1°C | 224 mm | 91% | 1.1 m/s | 0.6 |
| 1996 | 0.3°C | -1.7°C | -3.6°C | 4.1°C | -18.7°C | 237 mm | 93% | 1.1 m/s | 0.6 |
| 1995 | 3.8°C | 2.1°C | 0.4°C | 6.6°C | -8.6°C | 224 mm | 89% | 1.1 m/s | 0.6 |
| 1994 | 3.0°C | 1.3°C | -0.5°C | 8.2°C | -8.6°C | 224 mm | 91% | 1.1 m/s | 0.7 |
| 1993 | 4.3°C | 2.7°C | 1.0°C | 8.7°C | -2.4°C | 235 mm | 89% | 1 m/s | 0.6 |
| 1992 | 1.1°C | -1.1°C | -3.3°C | 4.5°C | -11.6°C | 131 mm | 92% | 1 m/s | 0.7 |
| 1991 | 4.6°C | 3.0°C | 1.4°C | 8.9°C | -2.1°C | 190 mm | 92% | 1 m/s | 0.5 |
| 1990 | 0.2°C | -2.3°C | -4.8°C | 6.5°C | -18.7°C | 242 mm | 92% | 0.9 m/s | 0.5 |
| 1989 | 5.4°C | 3.7°C | 2.0°C | 10.0°C | -1.6°C | 160 mm | 93% | 0.7 m/s | 0.4 |
| 1988 | 3.7°C | 2.0°C | 0.4°C | 9.2°C | -8.5°C | 185 mm | 89% | 0.8 m/s | 0.7 |
| 1987 | 2.7°C | 1.0°C | -0.7°C | 7.7°C | -6.4°C | 192 mm | 90% | 1.1 m/s | 0.6 |
| 1986 | 4.2°C | 2.3°C | 0.4°C | 7.3°C | -4.8°C | 261 mm | 89% | 1 m/s | 0.7 |
| 1985 | 3.0°C | 1.0°C | -0.9°C | 8.2°C | -14.5°C | 105 mm | 85% | 0.8 m/s | 0.7 |
| 1984 | 0.1°C | -2.1°C | -4.3°C | 3.0°C | -13.7°C | 118 mm | 88% | 0.9 m/s | 0.7 |
| 1983 ❄️ | -0.5°C | -2.9°C | -5.4°C | 3.8°C | -15.7°C | 95 mm | 87% | 1 m/s | — |
| 1982 | 3.1°C | 1.2°C | -0.6°C | 6.7°C | -6.8°C | 197 mm | 89% | 1 m/s | — |
| 1981 | 2.3°C | 0.4°C | -1.5°C | 6.4°C | -9.6°C | 237 mm | 93% | 1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 3.1°C with lows near -0.7°C (mean 1.2°C), based on 45 years of NASA POWER data.
December averages 186 mm of rainfall in Campbell River, a relatively wet time of year. The wettest on record was 312 mm in 1998.
The hottest December reached 12.5°C in 2025. The coldest dipped to -18.7°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 2.1°C. Daytime highs moved from 1.6°C to 3.6°C and overnight lows from -2.5°C to -0.3°C over the same span.
December is one of the cooler months of the year in Campbell River and a relatively wet time of year, so plan for around 3.1°C daytime highs and -0.7°C at night.
Yes — December is the coldest month of the year in Campbell River, averaging 1.2°C.
For December in Campbell River, pack warm layers and a jacket for chilly mornings, with typical highs of 3.1°C and lows of -0.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 91% — quite humid.
Average wind speed in December is 1 m/s. The windiest December on record averaged 1.2 m/s (2010).
The wettest December on record was 1998 with 312 mm. On average, December sees 186 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Campbell River behaves each December, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for December specifically, along with year-by-year records and how the month has changed over the decades.
