December is one of the warmer months of the year in Dubbo, with average highs near 31.1°C and lows around 15.7°C (mean 23.4°C). It is a relatively wet time of year, averaging 60 mm of rainfall and 47% relative humidity across the period.
December is one of the warmer months of the year in Dubbo. Across 45 years of records, the warmest December in Dubbo was 1990 — when the month averaged 26.6°C — while the coldest were 2010 and 2011 at 20°C. Typical December days reach 31.1°C with nights near 15.7°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Dubbo, averaging 60 mm of rainfall. The wettest December on record was 2010 with 165 mm, while the driest was 2019 at 4 mm.
Relative humidity in Dubbo during December averages 47%. The most humid December was 2010 at 73%, and the least humid was 2019 at 29%.
December receives about 7.8 kWh/m²/day of solar energy in Dubbo. The sunniest December was 2005 at 8.6 kWh/m²/day, and the cloudiest were 1992 and 2010 at 7.
Average wind speed in Dubbo during December is 3.2 m/s. The windiest December was 1988 at 3.6 m/s, while the calmest were 2021 and 2024 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.1°C | 23.0°C | 23.6°C | 23.9°C | 23.3°C | +0.2°C |
| Avg High | 30.9°C | 30.7°C | 31.5°C | 31.5°C | 30.8°C | -0.1°C |
| Avg Low | 15.2°C | 15.3°C | 15.8°C | 16.3°C | 15.7°C | +0.5°C |
| Avg Rain | 53 mm | 63 mm | 60 mm | 65 mm | 59 mm | +6 mm |
December temperatures in Dubbo have risen by about 0.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 6°C (2025) to a record high of 43.4°C (2019).
Rainfall in December is a relatively wet time of year, averaging 60 mm, with a wettest year of 165 mm.
One of the best times to visit Dubbo
December is one of the best times to visit Dubbo. Expect days averaging 31.1°C and nights around 15.7°C (mean 23.4°C) — warmer than Dubbo's yearly average — with moderate rainfall (60 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 | 32.8°C | 24.3°C | 15.8°C | 39.2°C | 6.0°C | 37 mm | 39% | 3.1 m/s | — |
| 2024 | 31.4°C | 24.2°C | 16.9°C | 36.7°C | 9.9°C | 73 mm | 53% | 2.7 m/s | 8.3 |
| 2023 | 33.1°C | 25.4°C | 17.7°C | 41.0°C | 13.1°C | 62 mm | 49% | 3 m/s | 7.8 |
| 2022 | 28.3°C | 20.6°C | 12.9°C | 36.2°C | 6.3°C | 21 mm | 51% | 3.1 m/s | 7.9 |
| 2021 | 29.1°C | 22.2°C | 15.3°C | 35.0°C | 6.9°C | 54 mm | 61% | 2.7 m/s | 7.9 |
| 2020 | 30.0°C | 22.8°C | 15.6°C | 41.4°C | 9.7°C | 106 mm | 54% | 3.5 m/s | 7.5 |
| 2019 | 35.5°C | 26.5°C | 17.6°C | 43.4°C | 7.9°C | 4 mm | 29% | 3.2 m/s | 8.4 |
| 2018 | 33.4°C | 25.1°C | 16.8°C | 41.7°C | 9.8°C | 49 mm | 44% | 2.9 m/s | 8.3 |
| 2017 | 32.8°C | 25.2°C | 17.5°C | 41.1°C | 10.1°C | 71 mm | 48% | 3.1 m/s | 7.8 |
| 2016 | 32.4°C | 25.1°C | 17.8°C | 37.9°C | 10.1°C | 85 mm | 49% | 3.1 m/s | 7.6 |
| 2015 | 31.2°C | 23.6°C | 16.0°C | 37.5°C | 11.4°C | 71 mm | 47% | 3.3 m/s | 7.8 |
| 2014 | 30.9°C | 23.7°C | 16.5°C | 38.2°C | 11.6°C | 84 mm | 52% | 3.2 m/s | 7.3 |
| 2013 | 32.6°C | 24.2°C | 15.9°C | 40.0°C | 7.6°C | 38 mm | 37% | 3.1 m/s | 8.2 |
| 2012 | 33.3°C | 25.2°C | 17.1°C | 38.8°C | 9.5°C | 12 mm | 38% | 3.3 m/s | 8 |
| 2011 | 26.8°C | 20.0°C | 13.3°C | 32.5°C | 8.3°C | 74 mm | 62% | 3 m/s | 7.4 |
| 2010 ❄️ 🌧️ | 25.6°C | 20.0°C | 14.3°C | 33.9°C | 6.4°C | 165 mm | 73% | 2.9 m/s | 7 |
| 2009 | 31.6°C | 24.1°C | 16.6°C | 39.6°C | 10.6°C | 129 mm | 46% | 3.2 m/s | 7.5 |
| 2008 | 29.8°C | 22.4°C | 14.9°C | 34.0°C | 10.0°C | 56 mm | 49% | 3.2 m/s | 7.7 |
| 2007 | 28.2°C | 21.7°C | 15.2°C | 33.8°C | 9.2°C | 151 mm | 65% | 3 m/s | 7.3 |
| 2006 | 32.5°C | 24.4°C | 16.4°C | 37.6°C | 6.9°C | 32 mm | 39% | 3.1 m/s | 7.6 |
| 2005 | 32.8°C | 24.0°C | 15.1°C | 41.2°C | 9.9°C | 32 mm | 40% | 3.2 m/s | 8.6 |
| 2004 | 30.3°C | 22.7°C | 15.1°C | 38.4°C | 8.3°C | 90 mm | 52% | 3.3 m/s | 7.9 |
| 2003 | 33.2°C | 25.1°C | 17.0°C | 39.8°C | 9.5°C | 43 mm | 46% | 3 m/s | 7.8 |
| 2002 | 32.6°C | 24.3°C | 16.1°C | 39.7°C | 8.2°C | 29 mm | 40% | 3.3 m/s | 7.7 |
| 2001 | 31.7°C | 23.6°C | 15.5°C | 39.9°C | 10.3°C | 23 mm | 35% | 3.1 m/s | 7.6 |
| 2000 | 32.2°C | 24.1°C | 16.1°C | 37.6°C | 9.7°C | 17 mm | 46% | 2.8 m/s | 8.3 |
| 1999 | 27.8°C | 21.0°C | 14.2°C | 34.7°C | 10.0°C | 99 mm | 55% | 3.1 m/s | 7.3 |
| 1998 | 31.8°C | 23.8°C | 15.9°C | 37.4°C | 10.5°C | 25 mm | 46% | 2.9 m/s | 8.3 |
| 1997 | 33.7°C | 25.7°C | 17.7°C | 38.4°C | 12.9°C | 53 mm | 41% | 3.1 m/s | 8.1 |
| 1996 | 30.6°C | 22.6°C | 14.7°C | 37.2°C | 9.7°C | 79 mm | 46% | 3.1 m/s | 7.8 |
| 1995 | 29.6°C | 21.6°C | 13.7°C | 38.5°C | 6.9°C | 36 mm | 48% | 3.1 m/s | 8.1 |
| 1994 | 33.4°C | 24.7°C | 16.1°C | 40.7°C | 8.7°C | 41 mm | 43% | 3.4 m/s | 8.5 |
| 1993 | 29.7°C | 22.0°C | 14.3°C | 37.8°C | 7.6°C | 29 mm | 49% | 3.5 m/s | 7.4 |
| 1992 | 26.7°C | 20.5°C | 14.3°C | 32.4°C | 7.4°C | 161 mm | 65% | 3 m/s | 7 |
| 1991 | 29.1°C | 21.8°C | 14.4°C | 38.6°C | 8.1°C | 92 mm | 50% | 3.4 m/s | 7.4 |
| 1990 🔥 | 35.0°C | 26.6°C | 18.1°C | 42.2°C | 9.9°C | 16 mm | 35% | 3.4 m/s | 8.3 |
| 1989 | 32.0°C | 23.8°C | 15.6°C | 38.7°C | 10.6°C | 34 mm | 43% | 3.3 m/s | 8.3 |
| 1988 | 30.6°C | 23.6°C | 16.5°C | 36.4°C | 10.1°C | 133 mm | 57% | 3.6 m/s | 7.7 |
| 1987 | 31.7°C | 23.5°C | 15.2°C | 39.5°C | 6.6°C | 72 mm | 44% | 3.4 m/s | 7.7 |
| 1986 | 29.7°C | 21.6°C | 13.4°C | 36.9°C | 7.3°C | 30 mm | 41% | 3.3 m/s | 8.3 |
| 1985 | 29.0°C | 21.6°C | 14.2°C | 36.7°C | 8.5°C | 60 mm | 50% | 3.2 m/s | 7.7 |
| 1984 | 30.9°C | 22.7°C | 14.4°C | 39.2°C | 9.4°C | 20 mm | 36% | 3.4 m/s | 8.3 |
| 1983 | 29.3°C | 21.9°C | 14.5°C | 38.3°C | 6.9°C | 81 mm | 56% | 3.2 m/s | — |
| 1982 | 33.1°C | 25.1°C | 17.1°C | 39.6°C | 10.2°C | 20 mm | 35% | 3.2 m/s | — |
| 1981 | 32.2°C | 23.9°C | 15.6°C | 40.0°C | 10.9°C | 25 mm | 40% | 2.9 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 31.1°C with lows near 15.7°C (mean 23.4°C), based on 45 years of NASA POWER data.
December averages 60 mm of rainfall in Dubbo, a relatively wet time of year. The wettest on record was 165 mm in 2010.
The hottest December reached 43.4°C in 2019. The coldest dipped to 6°C in 2025.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.3°C. Daytime highs moved from 30.9°C to 30.9°C and overnight lows from 15.2°C to 15.7°C over the same span.
December is one of the warmer months of the year in Dubbo and a relatively wet time of year, so plan for around 31.1°C daytime highs and 15.7°C at night.
Not quite — December is the 10th coolest month in Dubbo, averaging 23.4°C.
For December in Dubbo, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 15.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 47% — relatively dry.
Average wind speed in December is 3.2 m/s. The windiest December on record averaged 3.6 m/s (1988).
The wettest December on record was 2010 with 165 mm. On average, December sees 60 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 Dubbo 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.
