January is one of the cooler months of the year in Prince Rupert, with average highs near 3.3°C and lows around 0.3°C (mean 1.8°C). It is a relatively wet time of year, averaging 248 mm of rainfall and 88% relative humidity across the period.
January is one of the cooler months of the year in Prince Rupert. Across 45 years of records, the warmest January in Prince Rupert was 1981 — when the month averaged 5.1°C — while the coldest was 1996 at -3.1°C. Typical January days reach 3.3°C with nights near 0.3°C. The long-term trend is warming, about 0.3°C per decade.
January is a relatively wet time of year in Prince Rupert, averaging 248 mm of rainfall. The wettest January on record was 1989 with 522 mm, while the driest was 1995 at 74 mm.
Relative humidity in Prince Rupert during January averages 88%. The most humid January was 1982 at 93%, and the least humid was 2017 at 83%.
January receives about 0.5 kWh/m²/day of solar energy in Prince Rupert. The sunniest Januarys were 1991, 1996 and 2017 at 0.7 kWh/m²/day, and the cloudiest were 1992, 2001 and 2015, among others at 0.4.
Average wind speed in Prince Rupert during January is 4.8 m/s. The windiest January was 2012 at 5.8 m/s, while the calmest was 1994 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 1.9°C | 0.7°C | 1.8°C | 2.7°C | 1.9°C | 0°C |
| Avg High | 3.4°C | 2.3°C | 3.4°C | 4.0°C | 3.4°C | 0°C |
| Avg Low | 0.4°C | -1.0°C | 0.2°C | 1.3°C | 0.5°C | +0.1°C |
| Avg Rain | 301 mm | 213 mm | 278 mm | 226 mm | 217 mm | -84 mm |
January temperatures in Prince Rupert have stayed relatively stable across the record.
January has ranged from a record low of -18°C (1989) to a record high of 11.1°C (1981).
Rainfall in January is a relatively wet time of year, averaging 248 mm, with a wettest year of 522 mm.
A quieter season to visit Prince Rupert
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Prince Rupert. That said, January — with days averaging 3.3°C and nights around 0.3°C (mean 1.8°C) and higher rainfall (248 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 | 4.4°C | 3.1°C | 1.8°C | 8.3°C | -5.1°C | 217 mm | 87% | 4.2 m/s | 0.6 |
| 2024 | 3.0°C | 1.3°C | -0.3°C | 10.5°C | -12.7°C | 151 mm | 86% | 4.5 m/s | 0.6 |
| 2023 | 4.8°C | 3.6°C | 2.4°C | 7.0°C | -2.5°C | 236 mm | 88% | 4.5 m/s | 0.5 |
| 2022 | 2.8°C | 1.3°C | -0.2°C | 6.3°C | -13.3°C | 241 mm | 92% | 4.9 m/s | 0.6 |
| 2021 | 4.0°C | 2.8°C | 1.6°C | 6.7°C | -7.1°C | 237 mm | 86% | 5.4 m/s | 0.6 |
| 2020 | 1.2°C | -0.5°C | -2.2°C | 7.4°C | -15.6°C | 220 mm | 89% | 5.1 m/s | 0.5 |
| 2019 | 4.8°C | 3.4°C | 2.0°C | 8.7°C | -3.5°C | 236 mm | 87% | 4.2 m/s | 0.5 |
| 2018 | 4.3°C | 2.9°C | 1.5°C | 9.0°C | -7.5°C | 176 mm | 86% | 4.4 m/s | 0.5 |
| 2017 | 3.1°C | 1.7°C | 0.2°C | 7.6°C | -7.3°C | 181 mm | 83% | 4.7 m/s | 0.7 |
| 2016 | 4.4°C | 3.1°C | 1.8°C | 9.2°C | -6.0°C | 154 mm | 86% | 5 m/s | 0.6 |
| 2015 | 5.7°C | 4.4°C | 3.0°C | 10.3°C | -6.8°C | 304 mm | 90% | 5.4 m/s | 0.4 |
| 2014 | 5.7°C | 4.5°C | 3.2°C | 9.4°C | -1.4°C | 173 mm | 85% | 3.9 m/s | 0.6 |
| 2013 | 4.5°C | 3.5°C | 2.5°C | 6.8°C | -0.9°C | 209 mm | 89% | 4 m/s | 0.5 |
| 2012 | 1.4°C | 0.0°C | -1.5°C | 7.4°C | -16.9°C | 335 mm | 89% | 5.8 m/s | 0.5 |
| 2011 | 2.1°C | 0.5°C | -1.0°C | 6.4°C | -11.3°C | 277 mm | 88% | 5.1 m/s | 0.6 |
| 2010 | 4.3°C | 2.9°C | 1.5°C | 8.7°C | -5.6°C | 216 mm | 87% | 5.2 m/s | 0.5 |
| 2009 | 3.1°C | 1.4°C | -0.3°C | 7.0°C | -9.0°C | 297 mm | 86% | 4.7 m/s | 0.6 |
| 2008 | 1.8°C | 0.3°C | -1.2°C | 5.1°C | -14.8°C | 228 mm | 88% | 4.4 m/s | 0.5 |
| 2007 | 3.9°C | 2.5°C | 1.0°C | 7.4°C | -8.5°C | 340 mm | 86% | 4.8 m/s | 0.5 |
| 2006 | 4.9°C | 3.7°C | 2.4°C | 8.3°C | 0.2°C | 238 mm | 88% | 4.7 m/s | 0.5 |
| 2005 | 2.6°C | 0.7°C | -1.1°C | 8.4°C | -11.0°C | 255 mm | 86% | 4.4 m/s | 0.5 |
| 2004 | 1.8°C | 0.0°C | -1.9°C | 9.4°C | -15.1°C | 318 mm | 89% | 5.3 m/s | 0.5 |
| 2003 | 6.0°C | 4.3°C | 2.7°C | 10.0°C | -5.3°C | 328 mm | 87% | 5.7 m/s | 0.6 |
| 2002 | 3.6°C | 2.2°C | 0.7°C | 7.9°C | -9.9°C | 234 mm | 88% | 4.5 m/s | 0.6 |
| 2001 | 5.2°C | 4.0°C | 2.7°C | 9.9°C | -1.7°C | 303 mm | 87% | 5.3 m/s | 0.4 |
| 2000 | 0.7°C | -1.0°C | -2.7°C | 5.9°C | -11.3°C | 238 mm | 87% | 4.7 m/s | 0.6 |
| 1999 | 3.0°C | 1.7°C | 0.3°C | 7.0°C | -8.6°C | 266 mm | 88% | 4.3 m/s | 0.6 |
| 1998 | 1.5°C | -0.3°C | -2.1°C | 9.0°C | -12.9°C | 158 mm | 88% | 5.2 m/s | 0.5 |
| 1997 | 2.0°C | 0.3°C | -1.4°C | 6.6°C | -13.9°C | 256 mm | 89% | 4.5 m/s | 0.6 |
| 1996 ❄️ | -1.0°C | -3.1°C | -5.2°C | 8.8°C | -14.5°C | 217 mm | 85% | 4.4 m/s | 0.7 |
| 1995 | 2.6°C | 0.8°C | -1.1°C | 6.9°C | -7.2°C | 74 mm | 87% | 4.6 m/s | 0.6 |
| 1994 | 5.7°C | 4.4°C | 3.2°C | 8.3°C | -1.5°C | 279 mm | 90% | 3.7 m/s | 0.5 |
| 1993 | 1.1°C | -0.8°C | -2.7°C | 8.0°C | -9.4°C | 207 mm | 85% | 4.7 m/s | 0.6 |
| 1992 | 5.6°C | 4.2°C | 2.8°C | 9.2°C | -0.8°C | 246 mm | 88% | 5 m/s | 0.4 |
| 1991 | 0.1°C | -1.7°C | -3.5°C | 7.4°C | -14.4°C | 159 mm | 89% | 4.2 m/s | 0.7 |
| 1990 | 2.4°C | 1.0°C | -0.4°C | 6.3°C | -17.1°C | 266 mm | 89% | 4.8 m/s | 0.5 |
| 1989 🌧️ | 1.9°C | 0.4°C | -1.2°C | 6.0°C | -18.0°C | 522 mm | 90% | 5.5 m/s | 0.4 |
| 1988 | 1.4°C | -0.1°C | -1.7°C | 6.6°C | -7.7°C | 240 mm | 87% | 4.7 m/s | 0.5 |
| 1987 | 4.2°C | 2.8°C | 1.4°C | 6.8°C | -3.8°C | 271 mm | 87% | 4.4 m/s | 0.5 |
| 1986 | 4.5°C | 3.2°C | 1.9°C | 8.3°C | -1.5°C | 258 mm | 89% | 5.1 m/s | 0.4 |
| 1985 | 5.0°C | 3.7°C | 2.4°C | 7.9°C | -1.2°C | 242 mm | 87% | 4.7 m/s | 0.4 |
| 1984 | 4.1°C | 2.7°C | 1.2°C | 7.9°C | -5.1°C | 370 mm | 90% | 4.9 m/s | 0.5 |
| 1983 | 3.8°C | 2.3°C | 0.7°C | 7.5°C | -11.3°C | 240 mm | 89% | 5.7 m/s | — |
| 1982 | -0.7°C | -2.6°C | -4.6°C | 6.1°C | -16.7°C | 387 mm | 93% | 4.4 m/s | — |
| 1981 🔥 | 6.6°C | 5.1°C | 3.7°C | 11.1°C | -1.9°C | 181 mm | 86% | 5.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 3.3°C with lows near 0.3°C (mean 1.8°C), based on 45 years of NASA POWER data.
January averages 248 mm of rainfall in Prince Rupert, a relatively wet time of year. The wettest on record was 522 mm in 1989.
The hottest January reached 11.1°C in 1981. The coldest dipped to -18°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.2°C. Daytime highs moved from 3.8°C to 3.8°C and overnight lows from 0.7°C to 1.1°C over the same span.
January is one of the cooler months of the year in Prince Rupert and a relatively wet time of year, so plan for around 3.3°C daytime highs and 0.3°C at night.
Yes — January is the coldest month of the year in Prince Rupert, averaging 1.8°C.
For January in Prince Rupert, pack warm layers and a jacket for chilly mornings, with typical highs of 3.3°C and lows of 0.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 88% — quite humid.
Average wind speed in January is 4.8 m/s. The windiest January on record averaged 5.8 m/s (2012).
The wettest January on record was 1989 with 522 mm. On average, January sees 248 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 Prince Rupert behaves each January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
