December is one of the warmer months of the year in Mudgee, with average highs near 29.9°C and lows around 14.4°C (mean 22.2°C). It is a relatively wet time of year, averaging 68 mm of rainfall and 53% relative humidity across the period.
December is one of the warmer months of the year in Mudgee. Across 45 years of records, the warmest Decembers in Mudgee were 1990 and 2019 — when the month averaged 25.3°C — while the coldest was 2011 at 18.7°C. Typical December days reach 29.9°C with nights near 14.4°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Mudgee, averaging 68 mm of rainfall. The wettest December on record was 2010 with 183 mm, while the driest was 2019 at 3 mm.
Relative humidity in Mudgee during December averages 53%. The most humid December was 2010 at 77%, and the least humid was 2019 at 33%.
December receives about 7.6 kWh/m²/day of solar energy in Mudgee. The sunniest December was 2005 at 8.6 kWh/m²/day, and the cloudiest was 2010 at 6.6.
Average wind speed in Mudgee during December is 3 m/s. The windiest December was 1988 at 3.5 m/s, while the calmest were 2000, 2018 and 2021 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.8°C | 21.8°C | 22.3°C | 22.7°C | 22.2°C | +0.4°C |
| Avg High | 29.7°C | 29.5°C | 30.1°C | 30.3°C | 29.8°C | +0.1°C |
| Avg Low | 13.9°C | 14.1°C | 14.5°C | 15.1°C | 14.6°C | +0.7°C |
| Avg Rain | 56 mm | 74 mm | 72 mm | 73 mm | 64 mm | +8 mm |
December temperatures in Mudgee have risen by about 0.5°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 5.3°C (1995) to a record high of 42°C (2019).
Rainfall in December is a relatively wet time of year, averaging 68 mm, with a wettest year of 183 mm.
One of the best times to visit Mudgee
December is one of the best times to visit Mudgee. Expect days averaging 29.9°C and nights around 14.4°C (mean 22.2°C) — warmer than Mudgee's yearly average — with moderate rainfall (68 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.0°C | 23.4°C | 14.8°C | 38.3°C | 5.5°C | 38 mm | 43% | 3 m/s | — |
| 2024 | 30.6°C | 23.2°C | 15.7°C | 35.7°C | 9.1°C | 75 mm | 56% | 2.7 m/s | 8 |
| 2023 | 32.2°C | 24.4°C | 16.6°C | 39.1°C | 12.5°C | 58 mm | 53% | 2.9 m/s | 7.6 |
| 2022 | 27.2°C | 19.4°C | 11.6°C | 34.6°C | 5.5°C | 25 mm | 56% | 3 m/s | 7.8 |
| 2021 | 27.7°C | 20.9°C | 14.2°C | 34.4°C | 6.1°C | 67 mm | 67% | 2.6 m/s | 7.5 |
| 2020 | 28.8°C | 21.7°C | 14.6°C | 39.9°C | 8.9°C | 120 mm | 60% | 3.4 m/s | 7 |
| 2019 | 34.5°C | 25.3°C | 16.2°C | 42.0°C | 7.2°C | 3 mm | 33% | 3.1 m/s | 8.2 |
| 2018 | 32.2°C | 23.8°C | 15.5°C | 38.6°C | 9.0°C | 67 mm | 49% | 2.6 m/s | 8 |
| 2017 | 31.7°C | 24.1°C | 16.5°C | 40.1°C | 10.0°C | 74 mm | 53% | 2.9 m/s | 7.3 |
| 2016 | 31.7°C | 24.2°C | 16.7°C | 37.5°C | 9.8°C | 60 mm | 52% | 2.9 m/s | 7.3 |
| 2015 | 30.2°C | 22.4°C | 14.7°C | 36.2°C | 9.9°C | 87 mm | 52% | 3.1 m/s | 7.8 |
| 2014 | 29.4°C | 22.3°C | 15.3°C | 36.1°C | 10.0°C | 105 mm | 58% | 2.9 m/s | 7.1 |
| 2013 | 31.8°C | 23.2°C | 14.6°C | 39.1°C | 6.7°C | 39 mm | 42% | 3 m/s | 8.1 |
| 2012 | 32.3°C | 24.0°C | 15.7°C | 37.4°C | 8.7°C | 34 mm | 44% | 3.2 m/s | 7.6 |
| 2011 ❄️ | 25.2°C | 18.7°C | 12.2°C | 30.8°C | 6.9°C | 73 mm | 67% | 2.8 m/s | 6.8 |
| 2010 🌧️ | 24.4°C | 19.0°C | 13.5°C | 31.5°C | 5.7°C | 183 mm | 77% | 2.8 m/s | 6.6 |
| 2009 | 30.6°C | 23.1°C | 15.5°C | 38.3°C | 8.5°C | 139 mm | 50% | 3 m/s | 7.1 |
| 2008 | 28.2°C | 21.0°C | 13.7°C | 33.3°C | 8.4°C | 88 mm | 57% | 3 m/s | 7.5 |
| 2007 | 26.5°C | 20.4°C | 14.2°C | 31.4°C | 8.2°C | 147 mm | 71% | 2.8 m/s | 6.8 |
| 2006 | 31.3°C | 23.0°C | 14.7°C | 36.6°C | 5.6°C | 43 mm | 46% | 3 m/s | 7.2 |
| 2005 | 31.5°C | 22.7°C | 13.9°C | 39.9°C | 8.5°C | 39 mm | 46% | 3.1 m/s | 8.6 |
| 2004 | 29.2°C | 21.6°C | 14.1°C | 38.4°C | 7.8°C | 100 mm | 57% | 3 m/s | 7.7 |
| 2003 | 31.7°C | 23.5°C | 15.4°C | 38.4°C | 8.2°C | 51 mm | 53% | 2.8 m/s | 7.6 |
| 2002 | 31.1°C | 22.8°C | 14.5°C | 38.1°C | 6.9°C | 44 mm | 47% | 3.1 m/s | 7.6 |
| 2001 | 30.6°C | 22.4°C | 14.2°C | 38.2°C | 9.3°C | 35 mm | 42% | 3 m/s | 7.4 |
| 2000 | 30.7°C | 22.8°C | 14.8°C | 35.9°C | 8.5°C | 32 mm | 52% | 2.6 m/s | 8.3 |
| 1999 | 26.8°C | 20.0°C | 13.2°C | 33.6°C | 9.0°C | 96 mm | 60% | 2.8 m/s | 7.1 |
| 1998 | 30.5°C | 22.6°C | 14.7°C | 35.5°C | 9.1°C | 35 mm | 53% | 2.7 m/s | 8 |
| 1997 | 32.6°C | 24.6°C | 16.7°C | 37.0°C | 11.5°C | 64 mm | 46% | 3 m/s | 7.7 |
| 1996 | 29.0°C | 21.2°C | 13.3°C | 35.8°C | 8.2°C | 115 mm | 54% | 2.8 m/s | 7.6 |
| 1995 | 27.9°C | 20.2°C | 12.5°C | 36.1°C | 5.3°C | 77 mm | 56% | 2.8 m/s | 7.7 |
| 1994 | 31.9°C | 23.2°C | 14.5°C | 39.4°C | 7.3°C | 51 mm | 50% | 3.1 m/s | 8.2 |
| 1993 | 28.8°C | 21.0°C | 13.1°C | 36.7°C | 6.6°C | 36 mm | 53% | 3.4 m/s | 7.2 |
| 1992 | 25.8°C | 19.5°C | 13.2°C | 30.7°C | 6.5°C | 139 mm | 68% | 2.9 m/s | 6.9 |
| 1991 | 28.0°C | 20.6°C | 13.2°C | 37.2°C | 7.4°C | 104 mm | 55% | 3.3 m/s | 7 |
| 1990 🔥 | 33.9°C | 25.3°C | 16.7°C | 41.0°C | 8.8°C | 25 mm | 41% | 3.3 m/s | 8 |
| 1989 | 30.3°C | 22.2°C | 14.1°C | 36.9°C | 9.8°C | 50 mm | 51% | 3.1 m/s | 7.9 |
| 1988 | 29.8°C | 22.6°C | 15.5°C | 36.0°C | 9.3°C | 98 mm | 60% | 3.5 m/s | 7.1 |
| 1987 | 30.1°C | 22.0°C | 13.8°C | 38.0°C | 5.4°C | 87 mm | 50% | 3.3 m/s | 7.7 |
| 1986 | 28.8°C | 20.5°C | 12.2°C | 35.6°C | 6.7°C | 24 mm | 46% | 3.1 m/s | 8.3 |
| 1985 | 27.8°C | 20.5°C | 13.2°C | 34.8°C | 7.4°C | 65 mm | 55% | 3.1 m/s | 7.6 |
| 1984 | 29.6°C | 21.3°C | 13.0°C | 37.7°C | 8.4°C | 30 mm | 41% | 3.2 m/s | 7.9 |
| 1983 | 28.0°C | 20.7°C | 13.3°C | 37.0°C | 6.5°C | 83 mm | 61% | 3 m/s | — |
| 1982 | 32.1°C | 23.9°C | 15.7°C | 38.8°C | 9.5°C | 27 mm | 40% | 3.1 m/s | — |
| 1981 | 31.1°C | 22.7°C | 14.2°C | 38.4°C | 9.8°C | 43 mm | 47% | 2.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 29.9°C with lows near 14.4°C (mean 22.2°C), based on 45 years of NASA POWER data.
December averages 68 mm of rainfall in Mudgee, a relatively wet time of year. The wettest on record was 183 mm in 2010.
The hottest December reached 42°C in 2019. The coldest dipped to 5.3°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.5°C. Daytime highs moved from 29.7°C to 29.9°C and overnight lows from 13.9°C to 14.6°C over the same span.
December is one of the warmer months of the year in Mudgee and a relatively wet time of year, so plan for around 29.9°C daytime highs and 14.4°C at night.
Not quite — December is the 10th coolest month in Mudgee, averaging 22.2°C.
For December in Mudgee, pack light layers you can adjust through the day, with typical highs of 29.9°C and lows of 14.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 53% — relatively dry.
Average wind speed in December is 3 m/s. The windiest December on record averaged 3.5 m/s (1988).
The wettest December on record was 2010 with 183 mm. On average, December sees 68 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 Mudgee 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.
