January is one of the cooler months of the year in Belleville, with average highs near -1.9°C and lows around -8.5°C (mean -5.2°C). It is about average for rainfall, averaging 54 mm of rainfall and 89% 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 -1°C — while the coldest was 1994 at -11.9°C. Typical January days reach -1.9°C with nights near -8.5°C. The long-term trend is warming, about 0.7°C per decade.
January is about average for rainfall in Belleville, averaging 54 mm of rainfall. The wettest January on record was 2019 with 111 mm, while the driest was 1981 at 17 mm.
Relative humidity in Belleville during January averages 89%. The most humid Januarys were 1984 and 1994 at 95%, and the least humid was 2025 at 83%.
January receives about 1.4 kWh/m²/day of solar energy in Belleville. The sunniest January was 2025 at 1.7 kWh/m²/day, and the cloudiest were 2014, 2020 and 2023, among others at 1.2.
Average wind speed in Belleville during January is 3.9 m/s. The windiest January was 1997 at 4.8 m/s, while the calmest was 2001 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.7°C | -5.4°C | -5.1°C | -4.8°C | -3.5°C | +3.2°C |
| Avg High | -3.2°C | -1.9°C | -1.8°C | -1.6°C | -0.6°C | +2.6°C |
| Avg Low | -10.2°C | -8.9°C | -8.3°C | -8.0°C | -6.4°C | +3.8°C |
| Avg Rain | 33 mm | 52 mm | 59 mm | 63 mm | 63 mm | +30 mm |
January temperatures in Belleville have risen by about 4.7°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -31.1°C (1981) to a record high of 10.7°C (2008).
Rainfall in January is about average for rainfall, averaging 54 mm, with a wettest year of 111 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.6°C per decade while lows rose 0.9°C per decade, narrowing the gap between day and night.
A quieter season to visit Belleville
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Belleville. That said, January — with days averaging -1.9°C and nights around -8.5°C (mean -5.2°C) and moderate rainfall (54 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 | -1.8°C | -4.5°C | -7.2°C | 4.3°C | -13.9°C | 36 mm | 83% | 4.6 m/s | 1.7 |
| 2024 | -0.1°C | -2.2°C | -4.4°C | 4.8°C | -12.4°C | 83 mm | 87% | 4 m/s | 1.3 |
| 2023 | 1.0°C | -1.5°C | -4.1°C | 4.6°C | -10.8°C | 70 mm | 87% | 3.2 m/s | 1.2 |
| 2022 | -3.0°C | -7.2°C | -11.4°C | 4.4°C | -20.5°C | 66 mm | 88% | 3.9 m/s | 1.6 |
| 2021 | -0.5°C | -3.0°C | -5.5°C | 3.8°C | -15.0°C | 46 mm | 85% | 3.3 m/s | 1.4 |
| 2020 | 0.5°C | -2.7°C | -6.0°C | 8.6°C | -16.9°C | 76 mm | 88% | 3.6 m/s | 1.2 |
| 2019 🌧️ | -2.8°C | -6.6°C | -10.5°C | 6.2°C | -21.9°C | 111 mm | 90% | 4.4 m/s | 1.5 |
| 2018 | -2.0°C | -5.4°C | -8.9°C | 8.3°C | -23.2°C | 79 mm | 89% | 4 m/s | 1.3 |
| 2017 | 0.7°C | -1.6°C | -3.8°C | 6.8°C | -12.7°C | 71 mm | 86% | 3.8 m/s | 1.4 |
| 2016 | -0.3°C | -3.3°C | -6.2°C | 7.5°C | -14.1°C | 54 mm | 86% | 4.1 m/s | 1.4 |
| 2015 | -3.3°C | -7.2°C | -11.0°C | 4.7°C | -19.5°C | 37 mm | 85% | 4.2 m/s | 1.6 |
| 2014 | -4.0°C | -7.2°C | -10.4°C | 5.0°C | -22.7°C | 58 mm | 89% | 4.5 m/s | 1.2 |
| 2013 | 0.4°C | -3.0°C | -6.3°C | 10.3°C | -18.0°C | 40 mm | 85% | 3.9 m/s | 1.5 |
| 2012 | 0.7°C | -2.3°C | -5.2°C | 6.4°C | -17.3°C | 84 mm | 86% | 4 m/s | 1.3 |
| 2011 | -3.0°C | -6.1°C | -9.2°C | 7.0°C | -22.6°C | 37 mm | 89% | 3.3 m/s | 1.3 |
| 2010 | -2.5°C | -5.4°C | -8.4°C | 6.0°C | -18.6°C | 59 mm | 92% | 3.9 m/s | 1.4 |
| 2009 | -3.9°C | -7.2°C | -10.4°C | 1.9°C | -19.3°C | 56 mm | 91% | 4 m/s | 1.6 |
| 2008 | 0.6°C | -2.0°C | -4.5°C | 10.7°C | -18.8°C | 62 mm | 87% | 4.1 m/s | 1.3 |
| 2007 | -0.3°C | -3.0°C | -5.7°C | 9.3°C | -16.9°C | 67 mm | 88% | 3.9 m/s | 1.5 |
| 2006 🔥 | 2.0°C | -1.0°C | -3.9°C | 7.2°C | -15.6°C | 100 mm | 90% | 3.6 m/s | 1.3 |
| 2005 | -3.1°C | -6.4°C | -9.7°C | 8.3°C | -21.6°C | 71 mm | 89% | 3.7 m/s | 1.5 |
| 2004 | -6.2°C | -9.7°C | -13.3°C | 7.9°C | -23.0°C | 65 mm | 94% | 4.3 m/s | 1.6 |
| 2003 | -5.0°C | -9.2°C | -13.3°C | 1.6°C | -26.6°C | 47 mm | 92% | 3.8 m/s | 1.5 |
| 2002 | 1.2°C | -1.4°C | -4.1°C | 5.5°C | -9.8°C | 37 mm | 87% | 4 m/s | 1.3 |
| 2001 | -2.1°C | -5.7°C | -9.3°C | 1.2°C | -19.3°C | 39 mm | 93% | 3 m/s | 1.3 |
| 2000 | -1.6°C | -5.3°C | -8.9°C | 9.2°C | -20.3°C | 48 mm | 86% | 4.3 m/s | 1.3 |
| 1999 | -2.7°C | -6.2°C | -9.6°C | 6.4°C | -23.7°C | 111 mm | 92% | 4.1 m/s | 1.4 |
| 1998 | -0.6°C | -3.7°C | -6.8°C | 5.6°C | -15.3°C | 65 mm | 90% | 3.6 m/s | 1.5 |
| 1997 | -1.5°C | -5.4°C | -9.2°C | 7.2°C | -19.2°C | 39 mm | 87% | 4.8 m/s | 1.3 |
| 1996 | -3.2°C | -7.0°C | -10.7°C | 7.7°C | -21.0°C | 54 mm | 89% | 4 m/s | 1.3 |
| 1995 | 0.1°C | -2.4°C | -4.9°C | 9.4°C | -16.0°C | 54 mm | 89% | 3.6 m/s | 1.4 |
| 1994 ❄️ | -7.6°C | -11.9°C | -16.1°C | 2.6°C | -27.7°C | 43 mm | 95% | 4.3 m/s | 1.3 |
| 1993 | -1.0°C | -4.2°C | -7.4°C | 6.4°C | -15.2°C | 55 mm | 87% | 3.8 m/s | 1.4 |
| 1992 | -1.8°C | -5.6°C | -9.3°C | 4.3°C | -23.8°C | 37 mm | 90% | 3.4 m/s | 1.4 |
| 1991 | -2.3°C | -6.0°C | -9.7°C | 3.2°C | -21.7°C | 30 mm | 88% | 4.1 m/s | 1.4 |
| 1990 | 1.2°C | -2.1°C | -5.3°C | 6.2°C | -15.1°C | 37 mm | 88% | 3.9 m/s | 1.2 |
| 1989 | 0.4°C | -3.1°C | -6.5°C | 6.2°C | -21.2°C | 25 mm | 84% | 4.4 m/s | 1.4 |
| 1988 | -1.3°C | -4.4°C | -7.6°C | 8.2°C | -20.7°C | 22 mm | 84% | 4.3 m/s | 1.2 |
| 1987 | -1.5°C | -4.5°C | -7.5°C | 3.4°C | -18.2°C | 25 mm | 87% | 3.6 m/s | 1.3 |
| 1986 | -2.3°C | -6.1°C | -9.9°C | 4.6°C | -21.4°C | 28 mm | 88% | 3.9 m/s | 1.3 |
| 1985 | -4.4°C | -7.6°C | -10.8°C | 4.8°C | -21.2°C | 47 mm | 91% | 4 m/s | 1.4 |
| 1984 | -5.0°C | -8.6°C | -12.3°C | 1.4°C | -24.5°C | 32 mm | 95% | 3.5 m/s | 1.3 |
| 1983 | -1.2°C | -4.3°C | -7.5°C | 4.5°C | -20.4°C | 34 mm | 87% | 3.5 m/s | — |
| 1982 | -6.7°C | -11.0°C | -15.3°C | 4.1°C | -26.3°C | 66 mm | 94% | 4.5 m/s | — |
| 1981 | -6.6°C | -10.5°C | -14.4°C | 4.5°C | -31.1°C | 17 mm | 95% | 3.5 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around -1.9°C with lows near -8.5°C (mean -5.2°C), based on 45 years of NASA POWER data.
January averages 54 mm of rainfall in Belleville, about average for rainfall. The wettest on record was 111 mm in 2019.
The hottest January reached 10.7°C in 2008. The coldest dipped to -31.1°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 4.7°C. Daytime highs moved from -4.8°C to -0.9°C and overnight lows from -12.1°C to -6.5°C over the same span.
January is one of the cooler months of the year in Belleville and about average for rainfall, so plan for around -1.9°C daytime highs and -8.5°C at night.
Yes — January is the coldest month of the year in Belleville, averaging -5.2°C.
For January in Belleville, pack warm layers and a jacket for chilly mornings, with typical highs of -1.9°C and lows of -8.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 89% — quite humid.
Average wind speed in January is 3.9 m/s. The windiest January on record averaged 4.8 m/s (1997).
The wettest January on record was 2019 with 111 mm. On average, January sees 54 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.
