December is one of the warmer months of the year in Biloela, with average highs near 32.7°C and lows around 19°C (mean 25.9°C). It is a relatively wet time of year, averaging 107 mm of rainfall and 64% relative humidity across the period.
December is one of the warmer months of the year in Biloela. Across 45 years of records, the warmest December in Biloela was 2019 — when the month averaged 28.3°C — while the coldest were 1983, 2010 and 2022 at 23.7°C. Typical December days reach 32.7°C with nights near 19°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Biloela, averaging 107 mm of rainfall. The wettest December on record was 2010 with 526 mm, while the driest was 2015 at 28 mm.
Relative humidity in Biloela during December averages 64%. The most humid December was 2010 at 84%, and the least humid was 2019 at 51%.
December receives about 7.2 kWh/m²/day of solar energy in Biloela. The sunniest December was 2013 at 8.3 kWh/m²/day, and the cloudiest was 2010 at 5.4.
Average wind speed in Biloela during December is 2.9 m/s. The windiest December was 2018 at 3.5 m/s, while the calmest was 2021 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 25.6°C | 25.9°C | 25.8°C | 26.1°C | +0.2°C |
| Avg High | 32.9°C | 32.6°C | 32.8°C | 32.7°C | 32.9°C | 0°C |
| Avg Low | 18.9°C | 18.7°C | 19.1°C | 18.9°C | 19.4°C | +0.5°C |
| Avg Rain | 103 mm | 98 mm | 110 mm | 126 mm | 93 mm | -10 mm |
December temperatures in Biloela have fallen by about 0.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 11.6°C (1995) to a record high of 42.2°C (1996).
Rainfall in December is a relatively wet time of year, averaging 107 mm, with a wettest year of 526 mm.
A good time to visit Biloela
December is a good time to visit Biloela, with days averaging 32.7°C and nights around 19°C (mean 25.9°C, warmer than Biloela's yearly average) and higher rainfall. April and October are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.9°C | 26.6°C | 19.3°C | 37.8°C | 13.1°C | 71 mm | 59% | 2.8 m/s | — |
| 2024 | 34.1°C | 27.3°C | 20.6°C | 39.6°C | 15.8°C | 89 mm | 65% | 2.9 m/s | 7.1 |
| 2023 | 34.2°C | 27.7°C | 21.1°C | 37.4°C | 17.2°C | 149 mm | 65% | 3 m/s | 7.2 |
| 2022 | 30.6°C | 23.7°C | 16.9°C | 37.6°C | 12.2°C | 84 mm | 65% | 2.8 m/s | 7.3 |
| 2021 | 29.9°C | 24.3°C | 18.6°C | 33.9°C | 16.0°C | 74 mm | 75% | 2.2 m/s | 7.3 |
| 2020 | 34.4°C | 27.2°C | 20.0°C | 41.3°C | 16.6°C | 90 mm | 61% | 3.2 m/s | 6.8 |
| 2019 🔥 | 36.7°C | 28.3°C | 19.9°C | 40.3°C | 17.2°C | 34 mm | 51% | 3.1 m/s | 8.2 |
| 2018 | 32.7°C | 25.9°C | 19.1°C | 39.0°C | 14.8°C | 110 mm | 66% | 3.5 m/s | 6.9 |
| 2017 | 32.9°C | 25.8°C | 18.6°C | 38.0°C | 13.3°C | 63 mm | 65% | 2.6 m/s | 7.7 |
| 2016 | 34.5°C | 27.1°C | 19.7°C | 40.3°C | 17.0°C | 61 mm | 61% | 3.1 m/s | 7.1 |
| 2015 | 32.6°C | 25.4°C | 18.2°C | 36.8°C | 15.4°C | 28 mm | 62% | 2.9 m/s | 7.4 |
| 2014 | 30.3°C | 24.9°C | 19.5°C | 35.6°C | 15.2°C | 236 mm | 74% | 2.5 m/s | 7 |
| 2013 | 33.0°C | 25.2°C | 17.4°C | 40.8°C | 14.4°C | 56 mm | 62% | 2.8 m/s | 8.3 |
| 2012 | 34.9°C | 27.1°C | 19.3°C | 40.3°C | 15.8°C | 34 mm | 54% | 3.1 m/s | 7.3 |
| 2011 | 31.1°C | 24.7°C | 18.2°C | 34.9°C | 15.3°C | 115 mm | 66% | 2.9 m/s | 6.2 |
| 2010 🌧️ | 28.0°C | 23.7°C | 19.4°C | 30.7°C | 11.8°C | 526 mm | 84% | 2.8 m/s | 5.4 |
| 2009 | 33.0°C | 26.4°C | 19.7°C | 38.1°C | 16.3°C | 147 mm | 66% | 2.7 m/s | 6.8 |
| 2008 | 33.8°C | 26.7°C | 19.5°C | 39.5°C | 14.9°C | 82 mm | 63% | 2.6 m/s | 7.5 |
| 2007 | 30.7°C | 24.7°C | 18.8°C | 34.7°C | 14.4°C | 135 mm | 71% | 3 m/s | 5.9 |
| 2006 | 32.3°C | 24.9°C | 17.6°C | 37.7°C | 14.8°C | 67 mm | 61% | 3.3 m/s | 6.8 |
| 2005 | 34.6°C | 27.4°C | 20.3°C | 38.6°C | 15.0°C | 104 mm | 62% | 2.6 m/s | 8 |
| 2004 | 32.5°C | 26.0°C | 19.4°C | 38.4°C | 12.8°C | 112 mm | 66% | 2.8 m/s | 7.1 |
| 2003 | 31.2°C | 25.1°C | 19.1°C | 36.3°C | 14.9°C | 178 mm | 72% | 2.6 m/s | 7.1 |
| 2002 | 33.1°C | 25.7°C | 18.3°C | 39.4°C | 13.9°C | 98 mm | 58% | 3 m/s | 7.7 |
| 2001 | 35.1°C | 27.7°C | 20.2°C | 41.0°C | 16.5°C | 99 mm | 61% | 2.9 m/s | 7.2 |
| 2000 | 31.7°C | 24.8°C | 17.9°C | 37.4°C | 14.3°C | 80 mm | 66% | 2.6 m/s | 6.9 |
| 1999 | 31.0°C | 23.9°C | 16.9°C | 36.2°C | 14.0°C | 71 mm | 62% | 3.3 m/s | 6.9 |
| 1998 | 33.0°C | 26.1°C | 19.2°C | 38.7°C | 13.6°C | 70 mm | 65% | 2.7 m/s | 7.1 |
| 1997 | 33.7°C | 27.3°C | 20.9°C | 39.1°C | 16.7°C | 80 mm | 66% | 2.7 m/s | 6.7 |
| 1996 | 32.3°C | 25.6°C | 18.8°C | 42.2°C | 14.9°C | 124 mm | 67% | 2.8 m/s | 7.1 |
| 1995 | 32.4°C | 25.2°C | 18.0°C | 36.7°C | 11.6°C | 129 mm | 64% | 2.9 m/s | 7.3 |
| 1994 | 33.3°C | 25.4°C | 17.6°C | 39.1°C | 14.6°C | 68 mm | 59% | 3 m/s | 7.7 |
| 1993 | 32.6°C | 25.1°C | 17.6°C | 37.3°C | 13.1°C | 42 mm | 61% | 3 m/s | 7.3 |
| 1992 | 32.7°C | 25.7°C | 18.7°C | 37.6°C | 13.0°C | 61 mm | 60% | 3.1 m/s | 6.9 |
| 1991 | 30.9°C | 24.9°C | 18.8°C | 36.7°C | 15.7°C | 184 mm | 70% | 2.7 m/s | 7.6 |
| 1990 | 33.7°C | 27.0°C | 20.3°C | 40.5°C | 17.1°C | 156 mm | 64% | 3.3 m/s | 6.9 |
| 1989 | 33.0°C | 25.5°C | 18.1°C | 37.2°C | 14.2°C | 47 mm | 60% | 2.8 m/s | 7.6 |
| 1988 | 30.7°C | 24.9°C | 19.2°C | 34.8°C | 15.7°C | 222 mm | 72% | 3.4 m/s | 6.7 |
| 1987 | 33.2°C | 26.0°C | 18.8°C | 38.1°C | 14.2°C | 47 mm | 61% | 2.9 m/s | 7.5 |
| 1986 | 32.4°C | 25.4°C | 18.3°C | 39.1°C | 12.3°C | 57 mm | 64% | 2.7 m/s | 7.6 |
| 1985 | 33.6°C | 26.9°C | 20.3°C | 39.2°C | 17.8°C | 130 mm | 64% | 2.6 m/s | 7.6 |
| 1984 | 33.4°C | 26.6°C | 19.9°C | 39.7°C | 14.0°C | 156 mm | 66% | 2.7 m/s | 7.1 |
| 1983 ❄️ | 31.2°C | 23.7°C | 16.3°C | 36.4°C | 12.1°C | 59 mm | 65% | 2.9 m/s | — |
| 1982 | 33.0°C | 25.8°C | 18.7°C | 37.8°C | 15.1°C | 135 mm | 64% | 2.8 m/s | — |
| 1981 | 35.2°C | 28.0°C | 20.8°C | 40.5°C | 17.5°C | 76 mm | 63% | 2.6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 32.7°C with lows near 19°C (mean 25.9°C), based on 45 years of NASA POWER data.
December averages 107 mm of rainfall in Biloela, a relatively wet time of year. The wettest on record was 526 mm in 2010.
The hottest December reached 42.2°C in 1996. The coldest dipped to 11.6°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 19.2°C to 19.3°C while daytime highs eased from 33.3°C to 32.5°C, narrowing the gap between day and night.
December is one of the warmer months of the year in Biloela and a relatively wet time of year, so plan for around 32.7°C daytime highs and 19°C at night.
Not quite — December is the 11th coolest month in Biloela, averaging 25.9°C.
For December in Biloela, pack light, breathable clothing and sun protection, with typical highs of 32.7°C and lows of 19°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 64% — moderately humid.
Average wind speed in December is 2.9 m/s. The windiest December on record averaged 3.5 m/s (2018).
The wettest December on record was 2010 with 526 mm. On average, December sees 107 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 Biloela 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.
