December is one of the cooler months of the year in Saint-Georges, with average highs near -4.6°C and lows around -12.7°C (mean -8.6°C). It is about average for rainfall, averaging 89 mm of rainfall and 96% relative humidity across the period.
December is one of the cooler months of the year in Saint-Georges. Across 45 years of records, the warmest December in Saint-Georges was 2015 — when the month averaged -3°C — while the coldest was 1989 at -19.3°C. Typical December days reach -4.6°C with nights near -12.7°C. The long-term trend is warming, about 0.6°C per decade.
December is about average for rainfall in Saint-Georges, averaging 89 mm of rainfall. The wettest December on record was 2003 with 159 mm, while the driest was 1988 at 39 mm.
Relative humidity in Saint-Georges during December averages 96%. The most humid Decembers were 1981 and 1995 at 100%, and the least humid was 1982 at 89%.
December receives about 1 kWh/m²/day of solar energy in Saint-Georges. The sunniest December was 1989 at 1.3 kWh/m²/day, and the cloudiest were 1984, 2010 and 2015 at 0.8.
Average wind speed in Saint-Georges during December is 0.4 m/s. The windiest Decembers were 1988, 2017 and 2020 at 0.5 m/s, while the calmest was 1981 at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -10.5°C | -8.3°C | -8.9°C | -8.2°C | -6.7°C | +3.8°C |
| Avg High | -6.2°C | -4.1°C | -4.8°C | -4.3°C | -2.7°C | +3.5°C |
| Avg Low | -14.8°C | -12.5°C | -12.9°C | -12.1°C | -10.6°C | +4.2°C |
| Avg Rain | 74 mm | 76 mm | 103 mm | 100 mm | 95 mm | +22 mm |
December temperatures in Saint-Georges have risen by about 2.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -36.4°C (1983) to a record high of 13.6°C (2001).
Rainfall in December is about average for rainfall, averaging 89 mm, with a wettest year of 159 mm.
A quieter season to visit Saint-Georges
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Saint-Georges. That said, December — with days averaging -4.6°C and nights around -12.7°C (mean -8.6°C) and higher rainfall (89 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 | -6.2°C | -10.8°C | -15.3°C | 7.5°C | -25.5°C | 77 mm | 95% | 0.4 m/s | — |
| 2024 | -3.7°C | -7.3°C | -10.9°C | 6.3°C | -20.0°C | 105 mm | 96% | 0.4 m/s | 1 |
| 2023 | -1.2°C | -4.9°C | -8.7°C | 11.4°C | -20.8°C | 116 mm | 96% | 0.4 m/s | 1 |
| 2022 | -1.8°C | -5.1°C | -8.4°C | 4.9°C | -16.0°C | 109 mm | 93% | 0.4 m/s | 1 |
| 2021 | -2.2°C | -6.7°C | -11.2°C | 7.7°C | -22.0°C | 82 mm | 89% | 0.4 m/s | 1 |
| 2020 | -1.4°C | -5.2°C | -9.1°C | 12.0°C | -25.5°C | 83 mm | 93% | 0.5 m/s | 0.9 |
| 2019 | -3.5°C | -7.5°C | -11.5°C | 5.9°C | -20.2°C | 61 mm | 93% | 0.4 m/s | 1.1 |
| 2018 | -4.5°C | -9.2°C | -14.0°C | 5.3°C | -25.0°C | 60 mm | 96% | 0.4 m/s | 1.1 |
| 2017 | -8.4°C | -12.0°C | -15.6°C | 2.2°C | -28.3°C | 78 mm | 96% | 0.5 m/s | 1 |
| 2016 | -5.3°C | -9.6°C | -13.9°C | 0.1°C | -28.3°C | 110 mm | 99% | 0.4 m/s | 0.9 |
| 2015 🔥 | 0.0°C | -3.0°C | -6.0°C | 10.6°C | -16.7°C | 147 mm | 96% | 0.4 m/s | 0.8 |
| 2014 | -3.6°C | -7.3°C | -11.1°C | 3.0°C | -24.0°C | 117 mm | 96% | 0.4 m/s | 1 |
| 2013 | -7.1°C | -11.1°C | -15.2°C | 1.7°C | -29.3°C | 106 mm | 97% | 0.4 m/s | 1 |
| 2012 | -3.6°C | -7.6°C | -11.5°C | 4.9°C | -20.7°C | 114 mm | 95% | 0.4 m/s | 1 |
| 2011 | -2.0°C | -6.0°C | -10.1°C | 4.1°C | -22.1°C | 84 mm | 93% | 0.4 m/s | 1 |
| 2010 | -5.1°C | -8.5°C | -11.9°C | 7.0°C | -21.5°C | 121 mm | 98% | 0.4 m/s | 0.8 |
| 2009 | -6.0°C | -9.4°C | -12.8°C | 0.9°C | -24.0°C | 105 mm | 98% | 0.4 m/s | 1 |
| 2008 | -5.5°C | -10.3°C | -15.0°C | 3.3°C | -25.4°C | 145 mm | 96% | 0.4 m/s | 1 |
| 2007 | -6.8°C | -10.7°C | -14.6°C | 0.1°C | -21.9°C | 108 mm | 100% | 0.4 m/s | 1 |
| 2006 | -1.8°C | -5.6°C | -9.3°C | 4.9°C | -19.9°C | 86 mm | 95% | 0.4 m/s | 0.9 |
| 2005 | -5.3°C | -9.0°C | -12.7°C | 2.9°C | -26.6°C | 121 mm | 97% | 0.4 m/s | 1 |
| 2004 | -6.0°C | -11.2°C | -16.4°C | 1.9°C | -30.3°C | 107 mm | 99% | 0.4 m/s | 1 |
| 2003 🌧️ | -3.8°C | -7.5°C | -11.2°C | 3.6°C | -20.5°C | 159 mm | 94% | 0.4 m/s | 1.1 |
| 2002 | -5.1°C | -9.4°C | -13.8°C | 0.4°C | -25.2°C | 43 mm | 98% | 0.4 m/s | 1.1 |
| 2001 | -0.3°C | -3.4°C | -6.5°C | 13.6°C | -13.6°C | 46 mm | 91% | 0.4 m/s | 1.1 |
| 2000 | -7.8°C | -12.4°C | -17.0°C | 9.5°C | -28.1°C | 107 mm | 99% | 0.4 m/s | 1.1 |
| 1999 | -3.2°C | -7.2°C | -11.2°C | 6.8°C | -30.2°C | 55 mm | 95% | 0.4 m/s | 0.9 |
| 1998 | -1.0°C | -5.3°C | -9.5°C | 10.8°C | -26.4°C | 61 mm | 89% | 0.4 m/s | 1 |
| 1997 | -5.2°C | -10.1°C | -15.0°C | 0.1°C | -27.2°C | 57 mm | 100% | 0.4 m/s | 1.1 |
| 1996 | -1.9°C | -5.5°C | -9.1°C | 5.8°C | -28.6°C | 131 mm | 97% | 0.4 m/s | 0.9 |
| 1995 | -8.0°C | -12.2°C | -16.4°C | -0.6°C | -25.6°C | 76 mm | 100% | 0.4 m/s | 1.2 |
| 1994 | -3.4°C | -7.6°C | -11.8°C | 4.6°C | -23.9°C | 60 mm | 98% | 0.4 m/s | 0.9 |
| 1993 | -5.7°C | -10.0°C | -14.4°C | 1.9°C | -35.0°C | 87 mm | 98% | 0.4 m/s | 1 |
| 1992 | -3.2°C | -6.9°C | -10.5°C | 3.4°C | -22.1°C | 44 mm | 92% | 0.4 m/s | 1 |
| 1991 | -6.1°C | -10.1°C | -14.1°C | 5.4°C | -29.0°C | 61 mm | 93% | 0.4 m/s | 1.1 |
| 1990 | -3.7°C | -8.3°C | -12.9°C | 4.9°C | -28.3°C | 123 mm | 97% | 0.4 m/s | 1 |
| 1989 ❄️ | -14.8°C | -19.3°C | -23.9°C | 0.1°C | -33.6°C | 47 mm | 99% | 0.4 m/s | 1.3 |
| 1988 | -5.9°C | -10.3°C | -14.6°C | 4.3°C | -25.0°C | 39 mm | 92% | 0.5 m/s | 0.9 |
| 1987 | -5.1°C | -8.5°C | -12.0°C | 2.4°C | -26.0°C | 72 mm | 98% | 0.4 m/s | 1 |
| 1986 | -4.8°C | -9.8°C | -14.9°C | 0.1°C | -27.3°C | 52 mm | 99% | 0.4 m/s | 1 |
| 1985 | -6.7°C | -11.1°C | -15.5°C | 3.5°C | -28.4°C | 52 mm | 96% | 0.4 m/s | 1.1 |
| 1984 | -3.6°C | -8.1°C | -12.5°C | 3.7°C | -33.1°C | 87 mm | 96% | 0.4 m/s | 0.8 |
| 1983 | -7.7°C | -12.7°C | -17.7°C | 0.6°C | -36.4°C | 133 mm | 100% | 0.4 m/s | — |
| 1982 | -1.6°C | -6.0°C | -10.5°C | 10.5°C | -23.2°C | 85 mm | 89% | 0.4 m/s | — |
| 1981 | -5.5°C | -8.6°C | -11.6°C | 0.0°C | -22.5°C | 97 mm | 100% | 0.3 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around -4.6°C with lows near -12.7°C (mean -8.6°C), based on 45 years of NASA POWER data.
December averages 89 mm of rainfall in Saint-Georges, about average for rainfall. The wettest on record was 159 mm in 2003.
The hottest December reached 13.6°C in 2001. The coldest dipped to -36.4°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 2.3°C. Daytime highs moved from -5°C to -3°C and overnight lows from -13.6°C to -10.9°C over the same span.
December is one of the cooler months of the year in Saint-Georges and about average for rainfall, so plan for around -4.6°C daytime highs and -12.7°C at night.
Not quite — December is the 3rd coolest month in Saint-Georges, averaging -8.6°C.
For December in Saint-Georges, pack warm layers and a jacket for chilly mornings, with typical highs of -4.6°C and lows of -12.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 96% — quite humid.
Average wind speed in December is 0.4 m/s. The windiest December on record averaged 0.5 m/s (1988).
The wettest December on record was 2003 with 159 mm. On average, December sees 89 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 Saint-Georges 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.
