January is one of the cooler months of the year in Belleville, with average highs near 3.4°C and lows around -5.9°C (mean -1.3°C). It is one of the drier months, averaging 65 mm of rainfall and 83% relative humidity across the period.
January is one of the cooler months of the year in Belleville. Across 45 years of records, the warmest January in Belleville was 2006 — when the month averaged 4.5°C — while the coldest was 1985 at -6.6°C. Typical January days reach 3.4°C with nights near -5.9°C. The long-term trend is warming, about 0.4°C per decade.
January is one of the drier months in Belleville, averaging 65 mm of rainfall. The wettest January on record was 2005 with 171 mm, while the driest was 1986 at 6 mm.
Relative humidity in Belleville during January averages 83%. The most humid January was 1991 at 94%, and the least humid was 1981 at 72%.
January receives about 2.1 kWh/m²/day of solar energy in Belleville. The sunniest Januarys were 2016, 2022 and 2025, among others at 2.4 kWh/m²/day, and the cloudiest was 2017 at 1.6.
Average wind speed in Belleville during January is 2.8 m/s. The windiest Januarys were 1982, 1985 and 2014 at 3.5 m/s, while the calmest was 1991 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -2.4°C | -1.5°C | -0.3°C | -1.3°C | -0.6°C | +1.8°C |
| Avg High | 2.3°C | 3.1°C | 4.5°C | 3.4°C | 3.9°C | +1.6°C |
| Avg Low | -7.1°C | -6.2°C | -5.0°C | -6.0°C | -5.1°C | +2°C |
| Avg Rain | 46 mm | 81 mm | 64 mm | 49 mm | 91 mm | +45 mm |
January temperatures in Belleville have risen by about 2.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -27.8°C (1982) to a record high of 20.9°C (2023).
Rainfall in January is one of the drier months, averaging 65 mm, with a wettest year of 171 mm.
A quieter season to visit Belleville
If your dates are flexible, the more temperate months of September and June tend to be the most comfortable for visiting Belleville. That said, January — with days averaging 3.4°C and nights around -5.9°C (mean -1.3°C) and moderate rainfall (65 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 | 1.1°C | -3.9°C | -8.8°C | 13.1°C | -17.8°C | 55 mm | 83% | 2.6 m/s | 2.4 |
| 2024 | 2.6°C | -1.7°C | -6.1°C | 9.5°C | -21.1°C | 123 mm | 82% | 2.7 m/s | 1.7 |
| 2023 | 8.1°C | 3.3°C | -1.4°C | 20.9°C | -9.3°C | 81 mm | 82% | 2.7 m/s | 1.9 |
| 2022 | 2.4°C | -2.6°C | -7.7°C | 11.5°C | -14.9°C | 38 mm | 76% | 3 m/s | 2.4 |
| 2021 | 3.8°C | 0.1°C | -3.6°C | 9.6°C | -11.2°C | 92 mm | 87% | 2.5 m/s | 2 |
| 2020 | 5.5°C | 1.1°C | -3.2°C | 17.8°C | -12.2°C | 158 mm | 86% | 2.6 m/s | 1.8 |
| 2019 | 2.5°C | -1.8°C | -6.0°C | 17.0°C | -20.9°C | 80 mm | 84% | 2.9 m/s | 1.7 |
| 2018 | 3.2°C | -2.3°C | -7.9°C | 18.8°C | -22.2°C | 32 mm | 75% | 3 m/s | 2.2 |
| 2017 | 6.2°C | 1.6°C | -3.1°C | 19.4°C | -14.9°C | 53 mm | 82% | 2.8 m/s | 1.6 |
| 2016 | 3.8°C | -0.8°C | -5.4°C | 18.3°C | -14.9°C | 20 mm | 85% | 2.9 m/s | 2.4 |
| 2015 | 3.5°C | -1.3°C | -6.1°C | 11.5°C | -16.3°C | 38 mm | 81% | 2.5 m/s | 2.2 |
| 2014 | 1.6°C | -3.7°C | -9.1°C | 12.5°C | -22.1°C | 36 mm | 74% | 3.5 m/s | 2.2 |
| 2013 | 5.0°C | 0.0°C | -5.0°C | 20.6°C | -13.8°C | 110 mm | 80% | 2.8 m/s | 2.2 |
| 2012 | 6.9°C | 1.8°C | -3.4°C | 17.6°C | -8.5°C | 63 mm | 80% | 3.1 m/s | 2.2 |
| 2011 | 1.1°C | -2.8°C | -6.7°C | 7.1°C | -15.1°C | 22 mm | 82% | 2.4 m/s | 1.9 |
| 2010 | 0.5°C | -3.2°C | -6.9°C | 12.3°C | -16.7°C | 40 mm | 87% | 2.7 m/s | 2.1 |
| 2009 | 1.7°C | -3.0°C | -7.7°C | 11.9°C | -18.0°C | 33 mm | 80% | 2.8 m/s | 2.3 |
| 2008 | 4.7°C | -0.4°C | -5.5°C | 20.8°C | -15.1°C | 57 mm | 77% | 3.4 m/s | 2.2 |
| 2007 | 4.0°C | -0.2°C | -4.5°C | 12.9°C | -13.1°C | 87 mm | 84% | 2.8 m/s | 2 |
| 2006 🔥 | 9.6°C | 4.5°C | -0.6°C | 16.4°C | -5.5°C | 57 mm | 82% | 3.2 m/s | 2.1 |
| 2005 🌧️ | 5.2°C | 0.6°C | -3.9°C | 19.8°C | -13.4°C | 171 mm | 88% | 2.6 m/s | 1.8 |
| 2004 | 2.8°C | -2.0°C | -6.7°C | 20.6°C | -16.8°C | 83 mm | 81% | 2.8 m/s | 2.2 |
| 2003 | 1.9°C | -2.9°C | -7.6°C | 16.4°C | -17.8°C | 13 mm | 76% | 2.8 m/s | 2.2 |
| 2002 | 7.1°C | 2.0°C | -3.1°C | 18.0°C | -11.9°C | 73 mm | 84% | 2.5 m/s | 2.3 |
| 2001 | 3.2°C | -1.5°C | -6.1°C | 10.4°C | -16.3°C | 30 mm | 85% | 2.3 m/s | 2.1 |
| 2000 | 5.0°C | 0.2°C | -4.5°C | 16.7°C | -12.5°C | 37 mm | 74% | 2.9 m/s | 2.1 |
| 1999 | 2.8°C | -1.7°C | -6.3°C | 18.5°C | -24.9°C | 135 mm | 91% | 3 m/s | 2.1 |
| 1998 | 5.9°C | 1.5°C | -2.8°C | 17.5°C | -10.6°C | 72 mm | 87% | 2.5 m/s | 1.8 |
| 1997 | 1.4°C | -3.6°C | -8.6°C | 20.2°C | -24.0°C | 84 mm | 85% | 2.9 m/s | 2 |
| 1996 | 2.1°C | -2.8°C | -7.7°C | 18.3°C | -20.0°C | 79 mm | 83% | 3.4 m/s | 1.7 |
| 1995 | 2.5°C | -1.7°C | -6.0°C | 16.5°C | -14.4°C | 97 mm | 87% | 2.7 m/s | 1.9 |
| 1994 | -0.3°C | -4.1°C | -8.0°C | 13.6°C | -25.8°C | 66 mm | 89% | 2.7 m/s | 1.9 |
| 1993 | 3.2°C | -1.1°C | -5.5°C | 13.0°C | -10.8°C | 115 mm | 86% | 2.5 m/s | 1.9 |
| 1992 | 5.1°C | 0.6°C | -3.9°C | 13.4°C | -15.1°C | 62 mm | 86% | 2.6 m/s | 1.9 |
| 1991 | -0.9°C | -5.9°C | -10.8°C | 4.2°C | -21.7°C | 48 mm | 94% | 2.2 m/s | 2.4 |
| 1990 | 9.2°C | 3.3°C | -2.6°C | 19.9°C | -5.7°C | 56 mm | 76% | 3 m/s | 2.4 |
| 1989 | 7.9°C | 2.6°C | -2.6°C | 19.2°C | -7.6°C | 58 mm | 83% | 2.5 m/s | 2.1 |
| 1988 | 1.2°C | -3.5°C | -8.1°C | 16.7°C | -17.3°C | 88 mm | 83% | 3 m/s | 1.9 |
| 1987 | 2.2°C | -2.0°C | -6.2°C | 12.9°C | -17.1°C | 42 mm | 87% | 2.6 m/s | 2.1 |
| 1986 | 4.3°C | -0.9°C | -6.1°C | 17.2°C | -18.6°C | 6 mm | 82% | 3 m/s | 2.4 |
| 1985 ❄️ | -2.0°C | -6.6°C | -11.1°C | 9.9°C | -27.4°C | 22 mm | 86% | 3.5 m/s | 2.2 |
| 1984 | 1.3°C | -3.2°C | -7.8°C | 9.1°C | -22.2°C | 19 mm | 87% | 2.6 m/s | 2.3 |
| 1983 | 3.1°C | -0.6°C | -4.2°C | 8.4°C | -11.7°C | 18 mm | 86% | 2.6 m/s | — |
| 1982 | -1.1°C | -6.0°C | -11.0°C | 7.1°C | -27.8°C | 147 mm | 81% | 3.5 m/s | — |
| 1981 | 3.6°C | -1.5°C | -6.7°C | 14.0°C | -14.9°C | 13 mm | 72% | 2.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 3.4°C with lows near -5.9°C (mean -1.3°C), based on 45 years of NASA POWER data.
January averages 65 mm of rainfall in Belleville, one of the drier months. The wettest on record was 171 mm in 2005.
The hottest January reached 20.9°C in 2023. The coldest dipped to -27.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.6°C. Daytime highs moved from 1°C to 3.6°C and overnight lows from -8.2°C to -5.5°C over the same span.
January is one of the cooler months of the year in Belleville and one of the drier months, so plan for around 3.4°C daytime highs and -5.9°C at night.
Yes — January is the coldest month of the year in Belleville, averaging -1.3°C.
For January in Belleville, pack warm layers and a jacket for chilly mornings, with typical highs of 3.4°C and lows of -5.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 83% — quite humid.
Average wind speed in January is 2.8 m/s. The windiest January on record averaged 3.5 m/s (1982).
The wettest January on record was 2005 with 171 mm. On average, January sees 65 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 Belleville 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.
