December is one of the warmer months of the year in Bundaberg, with average highs near 28.7°C and lows around 22.5°C (mean 25.6°C). It is a relatively wet time of year, averaging 121 mm of rainfall and 72% relative humidity across the period.
December is one of the warmer months of the year in Bundaberg. Across 45 years of records, the warmest December in Bundaberg was 2005 — when the month averaged 27.3°C — while the coldest was 1999 at 23.8°C. Typical December days reach 28.7°C with nights near 22.5°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Bundaberg, averaging 121 mm of rainfall. The wettest December on record was 2010 with 590 mm, while the driest was 2019 at 31 mm.
Relative humidity in Bundaberg during December averages 72%. The most humid December was 2010 at 85%, and the least humid was 2019 at 66%.
December receives about 7 kWh/m²/day of solar energy in Bundaberg. The sunniest December was 2013 at 8 kWh/m²/day, and the cloudiest was 2010 at 5.5.
Average wind speed in Bundaberg during December is 3.6 m/s. The windiest December was 2018 at 4.3 m/s, while the calmest was 2017 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.4°C | 25.5°C | 25.9°C | 25.6°C | 25.9°C | +0.5°C |
| Avg High | 28.6°C | 28.7°C | 29.0°C | 28.6°C | 28.9°C | +0.3°C |
| Avg Low | 22.3°C | 22.3°C | 22.7°C | 22.5°C | 23.0°C | +0.7°C |
| Avg Rain | 112 mm | 101 mm | 115 mm | 148 mm | 133 mm | +21 mm |
December temperatures in Bundaberg have stayed relatively stable across the record.
December has ranged from a record low of 16.4°C (1986) to a record high of 36°C (2008).
Rainfall in December is a relatively wet time of year, averaging 121 mm, with a wettest year of 590 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Bundaberg
If your dates are flexible, the more temperate months of September and October tend to be the most comfortable for visiting Bundaberg. That said, December — with days averaging 28.7°C and nights around 22.5°C (mean 25.6°C) and higher rainfall (121 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.5°C | 26.3°C | 23.1°C | 32.5°C | 20.4°C | 98 mm | 69% | 3.4 m/s | — |
| 2024 | 28.4°C | 25.9°C | 23.4°C | 31.7°C | 20.9°C | 229 mm | 79% | 3.3 m/s | 6.8 |
| 2023 | 29.9°C | 27.0°C | 24.1°C | 32.4°C | 21.9°C | 160 mm | 75% | 3.6 m/s | 7.1 |
| 2022 | 28.3°C | 24.7°C | 21.2°C | 33.7°C | 16.9°C | 90 mm | 71% | 4 m/s | 7 |
| 2021 | 27.9°C | 25.3°C | 22.6°C | 29.8°C | 21.3°C | 118 mm | 77% | 3.2 m/s | 7 |
| 2020 | 29.3°C | 26.4°C | 23.5°C | 32.6°C | 21.3°C | 104 mm | 71% | 3.9 m/s | 6.7 |
| 2019 | 30.6°C | 27.0°C | 23.5°C | 35.0°C | 22.0°C | 31 mm | 66% | 3.9 m/s | 7.6 |
| 2018 | 28.1°C | 25.5°C | 22.8°C | 32.9°C | 20.5°C | 165 mm | 75% | 4.3 m/s | 6.5 |
| 2017 | 27.9°C | 25.0°C | 22.0°C | 30.7°C | 17.3°C | 127 mm | 77% | 2.9 m/s | 7.5 |
| 2016 | 28.9°C | 26.0°C | 23.0°C | 33.3°C | 21.5°C | 88 mm | 72% | 3.6 m/s | 7.1 |
| 2015 | 28.9°C | 25.6°C | 22.2°C | 31.0°C | 20.0°C | 55 mm | 69% | 3.7 m/s | 7.2 |
| 2014 | 28.6°C | 25.8°C | 22.9°C | 32.3°C | 20.0°C | 151 mm | 75% | 3.2 m/s | 6.8 |
| 2013 | 28.8°C | 25.3°C | 21.9°C | 33.6°C | 19.3°C | 43 mm | 66% | 3.5 m/s | 8 |
| 2012 | 29.6°C | 26.2°C | 22.8°C | 34.0°C | 20.1°C | 42 mm | 66% | 3.8 m/s | 7.5 |
| 2011 | 27.3°C | 24.3°C | 21.4°C | 31.2°C | 19.0°C | 191 mm | 75% | 4.1 m/s | 6.1 |
| 2010 🌧️ | 27.0°C | 24.8°C | 22.7°C | 28.7°C | 18.0°C | 590 mm | 85% | 3.5 m/s | 5.5 |
| 2009 | 29.0°C | 26.2°C | 23.4°C | 30.9°C | 21.0°C | 128 mm | 72% | 3.4 m/s | 7.2 |
| 2008 | 30.2°C | 26.7°C | 23.1°C | 36.0°C | 20.8°C | 78 mm | 69% | 3.3 m/s | 7.6 |
| 2007 | 28.3°C | 25.5°C | 22.6°C | 30.5°C | 20.4°C | 106 mm | 72% | 3.9 m/s | 6 |
| 2006 | 27.2°C | 24.1°C | 21.0°C | 30.1°C | 19.1°C | 95 mm | 70% | 4.1 m/s | 6.9 |
| 2005 🔥 | 30.6°C | 27.3°C | 24.1°C | 33.2°C | 20.4°C | 149 mm | 72% | 3.2 m/s | 7.7 |
| 2004 | 28.7°C | 25.7°C | 22.7°C | 32.7°C | 18.2°C | 158 mm | 74% | 3.6 m/s | 7 |
| 2003 | 28.0°C | 25.2°C | 22.4°C | 31.3°C | 19.3°C | 163 mm | 76% | 3.4 m/s | 6.7 |
| 2002 | 29.0°C | 25.6°C | 22.2°C | 34.2°C | 18.7°C | 92 mm | 67% | 3.7 m/s | 7.8 |
| 2001 | 30.7°C | 27.1°C | 23.6°C | 34.9°C | 20.6°C | 99 mm | 70% | 3.7 m/s | 7.4 |
| 2000 | 28.4°C | 25.1°C | 21.8°C | 31.3°C | 19.5°C | 79 mm | 71% | 3.5 m/s | 6.9 |
| 1999 ❄️ | 26.9°C | 23.8°C | 20.7°C | 30.4°C | 18.6°C | 120 mm | 71% | 4.1 m/s | 6.9 |
| 1998 | 28.9°C | 25.8°C | 22.6°C | 34.1°C | 18.9°C | 87 mm | 74% | 3.6 m/s | 7.2 |
| 1997 | 30.2°C | 27.2°C | 24.1°C | 33.8°C | 22.0°C | 65 mm | 72% | 3.5 m/s | 6.6 |
| 1996 | 29.1°C | 25.8°C | 22.5°C | 34.3°C | 19.8°C | 98 mm | 72% | 3.8 m/s | 6.9 |
| 1995 | 28.6°C | 25.2°C | 21.9°C | 33.3°C | 18.8°C | 157 mm | 71% | 3.6 m/s | 7.1 |
| 1994 | 28.7°C | 25.2°C | 21.7°C | 32.7°C | 19.4°C | 50 mm | 66% | 3.8 m/s | 7.5 |
| 1993 | 28.3°C | 25.0°C | 21.6°C | 32.9°C | 19.5°C | 64 mm | 69% | 3.5 m/s | 7.2 |
| 1992 | 28.1°C | 25.2°C | 22.2°C | 31.4°C | 20.3°C | 86 mm | 70% | 3.8 m/s | 6.9 |
| 1991 | 28.2°C | 25.3°C | 22.4°C | 33.2°C | 20.5°C | 195 mm | 76% | 3.6 m/s | 6.9 |
| 1990 | 29.6°C | 26.7°C | 23.7°C | 34.1°C | 20.9°C | 84 mm | 72% | 3.6 m/s | 6.8 |
| 1989 | 28.4°C | 24.9°C | 21.4°C | 33.1°C | 18.8°C | 50 mm | 68% | 3.8 m/s | 7.3 |
| 1988 | 27.8°C | 25.3°C | 22.7°C | 29.7°C | 20.7°C | 211 mm | 77% | 4.1 m/s | 6.6 |
| 1987 | 28.9°C | 25.6°C | 22.3°C | 34.3°C | 19.3°C | 71 mm | 69% | 3.4 m/s | 7.3 |
| 1986 | 27.8°C | 24.7°C | 21.7°C | 31.5°C | 16.4°C | 94 mm | 75% | 3.4 m/s | 7.5 |
| 1985 | 29.7°C | 26.5°C | 23.3°C | 33.4°C | 20.1°C | 134 mm | 74% | 3.4 m/s | 7.4 |
| 1984 | 29.4°C | 26.0°C | 22.6°C | 32.9°C | 19.9°C | 127 mm | 75% | 3.4 m/s | 6.9 |
| 1983 | 27.3°C | 24.1°C | 20.8°C | 30.2°C | 17.7°C | 79 mm | 70% | 3.5 m/s | — |
| 1982 | 28.4°C | 25.2°C | 22.0°C | 30.3°C | 19.3°C | 134 mm | 73% | 3.5 m/s | — |
| 1981 | 29.8°C | 26.7°C | 23.6°C | 33.3°C | 21.1°C | 105 mm | 76% | 3 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.7°C with lows near 22.5°C (mean 25.6°C), based on 45 years of NASA POWER data.
December averages 121 mm of rainfall in Bundaberg, a relatively wet time of year. The wettest on record was 590 mm in 2010.
The hottest December reached 36°C in 2008. The coldest dipped to 16.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 22.5°C to 22.9°C while daytime highs eased from 28.9°C to 28.8°C, narrowing the gap between day and night.
December is one of the warmer months of the year in Bundaberg and a relatively wet time of year, so plan for around 28.7°C daytime highs and 22.5°C at night.
Not quite — December is the 10th coolest month in Bundaberg, averaging 25.6°C.
For December in Bundaberg, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 22.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 72% — moderately humid.
Average wind speed in December is 3.6 m/s. The windiest December on record averaged 4.3 m/s (2018).
The wettest December on record was 2010 with 590 mm. On average, December sees 121 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 Bundaberg 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.
