December is one of the cooler months of the year in Bathurst, with average highs near -3.4°C and lows around -10.9°C (mean -7.1°C). It is about average for rainfall, averaging 78 mm of rainfall and 92% relative humidity across the period.
December is one of the cooler months of the year in Bathurst. Across 45 years of records, the warmest December in Bathurst was 2010 — when the month averaged -1.7°C — while the coldest was 1989 at -15.3°C. Typical December days reach -3.4°C with nights near -10.9°C. The long-term trend is warming, about 0.9°C per decade.
December is about average for rainfall in Bathurst, averaging 78 mm of rainfall. The wettest December on record was 1981 with 149 mm, while the driest was 2019 at 28 mm.
Relative humidity in Bathurst during December averages 92%. The most humid December was 1986 at 99%, and the least humid was 2001 at 84%.
December receives about 1 kWh/m²/day of solar energy in Bathurst. The sunniest December was 2001 at 1.2 kWh/m²/day, and the cloudiest were 1993, 2013 and 2014 at 0.8.
Average wind speed in Bathurst during December is 0.6 m/s. The windiest Decembers were 2009, 2010 and 2025, among others at 0.7 m/s, while the calmest were 2019, 2020 and 2022, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -9.3°C | -7.4°C | -7.0°C | -6.4°C | -4.8°C | +4.5°C |
| Avg High | -5.3°C | -3.5°C | -3.5°C | -3.0°C | -1.2°C | +4.1°C |
| Avg Low | -13.4°C | -11.3°C | -10.6°C | -10.0°C | -8.3°C | +5.1°C |
| Avg Rain | 80 mm | 69 mm | 83 mm | 83 mm | 70 mm | -10 mm |
December temperatures in Bathurst have risen by about 3.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -30.3°C (1989) to a record high of 14.6°C (2023).
Rainfall in December is about average for rainfall, averaging 78 mm, with a wettest year of 149 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.7°C per decade while lows rose 1°C per decade, narrowing the gap between day and night.
A quieter season to visit Bathurst
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Bathurst. That said, December — with days averaging -3.4°C and nights around -10.9°C (mean -7.1°C) and moderate rainfall (78 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 | -4.5°C | -8.0°C | -11.5°C | 11.5°C | -15.9°C | 45 mm | 84% | 0.7 m/s | — |
| 2024 | -0.9°C | -4.4°C | -7.9°C | 11.1°C | -14.8°C | 51 mm | 87% | 0.6 m/s | 1.1 |
| 2023 | 0.8°C | -3.0°C | -6.7°C | 14.6°C | -11.6°C | 61 mm | 87% | 0.6 m/s | 1 |
| 2022 | -0.8°C | -4.1°C | -7.3°C | 8.3°C | -17.7°C | 116 mm | 90% | 0.5 m/s | 1 |
| 2021 | -1.8°C | -5.7°C | -9.6°C | 7.9°C | -16.7°C | 68 mm | 86% | 0.6 m/s | 1.1 |
| 2020 | 0.0°C | -3.5°C | -7.0°C | 12.8°C | -19.9°C | 82 mm | 92% | 0.5 m/s | 0.9 |
| 2019 | -2.4°C | -6.0°C | -9.7°C | 8.5°C | -15.0°C | 28 mm | 84% | 0.5 m/s | 1.1 |
| 2018 | -5.6°C | -9.2°C | -12.9°C | 7.4°C | -20.0°C | 66 mm | 94% | 0.5 m/s | 1.1 |
| 2017 | -6.1°C | -9.9°C | -13.7°C | 3.1°C | -21.7°C | 87 mm | 95% | 0.6 m/s | 0.9 |
| 2016 | -4.5°C | -8.9°C | -13.3°C | 0.5°C | -28.6°C | 71 mm | 98% | 0.6 m/s | 0.9 |
| 2015 | -0.5°C | -3.1°C | -5.7°C | 5.6°C | -17.3°C | 90 mm | 93% | 0.5 m/s | 0.9 |
| 2014 | -1.3°C | -4.8°C | -8.3°C | 6.3°C | -19.2°C | 132 mm | 88% | 0.6 m/s | 0.8 |
| 2013 | -6.6°C | -10.1°C | -13.5°C | 1.9°C | -22.1°C | 68 mm | 93% | 0.6 m/s | 0.8 |
| 2012 | -1.6°C | -4.9°C | -8.3°C | 5.8°C | -15.8°C | 78 mm | 92% | 0.6 m/s | 1 |
| 2011 | -1.8°C | -5.8°C | -9.8°C | 5.0°C | -18.8°C | 93 mm | 92% | 0.6 m/s | 0.9 |
| 2010 🔥 | 0.8°C | -1.7°C | -4.3°C | 11.3°C | -11.0°C | 112 mm | 91% | 0.7 m/s | 0.9 |
| 2009 | -3.3°C | -6.2°C | -9.1°C | 1.3°C | -19.0°C | 65 mm | 95% | 0.7 m/s | 0.9 |
| 2008 | -3.2°C | -7.2°C | -11.2°C | 6.8°C | -19.2°C | 116 mm | 91% | 0.6 m/s | 0.9 |
| 2007 | -6.1°C | -10.1°C | -14.2°C | 0.2°C | -20.2°C | 89 mm | 99% | 0.6 m/s | 1 |
| 2006 | -2.3°C | -5.6°C | -8.9°C | 2.7°C | -19.2°C | 73 mm | 92% | 0.5 m/s | 1 |
| 2005 | -3.2°C | -5.9°C | -8.7°C | 7.5°C | -16.4°C | 136 mm | 88% | 0.6 m/s | 1 |
| 2004 | -5.0°C | -9.6°C | -14.2°C | 5.5°C | -21.8°C | 96 mm | 93% | 0.6 m/s | 1 |
| 2003 | -2.2°C | -5.7°C | -9.1°C | 4.3°C | -17.3°C | 92 mm | 90% | 0.6 m/s | 0.9 |
| 2002 | -4.5°C | -8.1°C | -11.8°C | 0.7°C | -22.2°C | 56 mm | 96% | 0.6 m/s | 1 |
| 2001 | -0.3°C | -3.3°C | -6.3°C | 6.2°C | -11.3°C | 29 mm | 84% | 0.5 m/s | 1.2 |
| 2000 | -4.5°C | -8.5°C | -12.4°C | 9.4°C | -20.8°C | 78 mm | 90% | 0.7 m/s | 1.1 |
| 1999 | -3.2°C | -6.6°C | -10.0°C | 5.2°C | -26.1°C | 92 mm | 94% | 0.5 m/s | 0.9 |
| 1998 | -2.4°C | -6.5°C | -10.5°C | 5.4°C | -25.9°C | 59 mm | 88% | 0.6 m/s | 1.1 |
| 1997 | -3.5°C | -7.6°C | -11.6°C | 1.7°C | -21.7°C | 38 mm | 91% | 0.5 m/s | 1 |
| 1996 | -0.7°C | -4.3°C | -7.8°C | 7.3°C | -24.7°C | 101 mm | 92% | 0.5 m/s | 0.9 |
| 1995 | -6.0°C | -9.7°C | -13.5°C | 0.0°C | -21.7°C | 69 mm | 99% | 0.5 m/s | 1.1 |
| 1994 | -3.7°C | -7.8°C | -11.8°C | 2.2°C | -25.1°C | 55 mm | 96% | 0.6 m/s | 0.9 |
| 1993 | -2.6°C | -6.2°C | -9.8°C | 11.3°C | -29.5°C | 64 mm | 87% | 0.5 m/s | 0.8 |
| 1992 | -3.4°C | -6.8°C | -10.3°C | 4.5°C | -22.0°C | 41 mm | 90% | 0.5 m/s | 0.9 |
| 1991 | -5.9°C | -10.1°C | -14.4°C | 5.5°C | -22.4°C | 47 mm | 91% | 0.6 m/s | 1 |
| 1990 | -3.3°C | -8.1°C | -12.9°C | 3.6°C | -26.6°C | 122 mm | 96% | 0.5 m/s | 0.9 |
| 1989 ❄️ | -11.2°C | -15.3°C | -19.4°C | -1.2°C | -30.3°C | 66 mm | 99% | 0.6 m/s | 1 |
| 1988 | -5.3°C | -9.2°C | -13.1°C | 2.7°C | -22.4°C | 38 mm | 90% | 0.5 m/s | 1 |
| 1987 | -4.6°C | -8.2°C | -11.8°C | 5.5°C | -22.0°C | 106 mm | 95% | 0.5 m/s | 0.9 |
| 1986 | -5.3°C | -9.9°C | -14.5°C | 0.2°C | -24.4°C | 52 mm | 99% | 0.5 m/s | 1.1 |
| 1985 | -6.2°C | -10.8°C | -15.4°C | 5.1°C | -25.5°C | 47 mm | 91% | 0.6 m/s | 1.1 |
| 1984 | -3.6°C | -8.4°C | -13.3°C | 4.1°C | -26.6°C | 76 mm | 93% | 0.6 m/s | 0.9 |
| 1983 | -6.2°C | -10.1°C | -14.0°C | 4.1°C | -23.9°C | 118 mm | 96% | 0.6 m/s | — |
| 1982 | -2.7°C | -6.5°C | -10.3°C | 6.9°C | -21.2°C | 69 mm | 87% | 0.5 m/s | — |
| 1981 🌧️ | -2.3°C | -5.5°C | -8.6°C | 3.2°C | -23.1°C | 149 mm | 97% | 0.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around -3.4°C with lows near -10.9°C (mean -7.1°C), based on 45 years of NASA POWER data.
December averages 78 mm of rainfall in Bathurst, about average for rainfall. The wettest on record was 149 mm in 1981.
The hottest December reached 14.6°C in 2023. The coldest dipped to -30.3°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 3.3°C. Daytime highs moved from -4.2°C to -1.4°C and overnight lows from -12.3°C to -8.6°C over the same span.
December is one of the cooler months of the year in Bathurst and about average for rainfall, so plan for around -3.4°C daytime highs and -10.9°C at night.
Not quite — December is the 3rd coolest month in Bathurst, averaging -7.1°C.
For December in Bathurst, pack warm layers and a jacket for chilly mornings, with typical highs of -3.4°C and lows of -10.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 92% — quite humid.
Average wind speed in December is 0.6 m/s. The windiest December on record averaged 0.7 m/s (2000).
The wettest December on record was 1981 with 149 mm. On average, December sees 78 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 Bathurst 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.
