December is one of the warmer months of the year in Bongaree, with average highs near 27°C and lows around 21.5°C (mean 24.3°C). It is a relatively wet time of year, averaging 137 mm of rainfall and 74% relative humidity across the period.
December is one of the warmer months of the year in Bongaree. Across 45 years of records, the warmest December in Bongaree was 2023 — when the month averaged 26.1°C — while the coldest were 1983 and 1999 at 22.1°C. Typical December days reach 27°C with nights near 21.5°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Bongaree, averaging 137 mm of rainfall. The wettest December on record was 2010 with 494 mm, while the driest was 2013 at 32 mm.
Relative humidity in Bongaree during December averages 74%. The most humid December was 2010 at 86%, and the least humid was 2019 at 67%.
December receives about 6.8 kWh/m²/day of solar energy in Bongaree. The sunniest December was 2005 at 7.7 kWh/m²/day, and the cloudiest was 2010 at 4.9.
Average wind speed in Bongaree during December is 3.3 m/s. The windiest December was 2022 at 3.8 m/s, while the calmest were 2017, 2021 and 2023, among others at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.9°C | 23.9°C | 24.5°C | 24.3°C | 24.7°C | +0.8°C |
| Avg High | 26.7°C | 26.7°C | 27.3°C | 27.0°C | 27.3°C | +0.6°C |
| Avg Low | 21.1°C | 21.2°C | 21.7°C | 21.6°C | 22.1°C | +1°C |
| Avg Rain | 144 mm | 141 mm | 134 mm | 135 mm | 133 mm | -11 mm |
December temperatures in Bongaree have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 16.7°C (1986) to a record high of 35.8°C (2019).
Rainfall in December is a relatively wet time of year, averaging 137 mm, with a wettest year of 494 mm.
A good time to visit Bongaree
December is a good time to visit Bongaree, with days averaging 27°C and nights around 21.5°C (mean 24.3°C, warmer than Bongaree's yearly average) and higher rainfall. October and April 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 | 28.0°C | 25.0°C | 21.9°C | 31.4°C | 19.6°C | 75 mm | 70% | 3.2 m/s | — |
| 2024 | 27.3°C | 25.0°C | 22.7°C | 31.3°C | 20.2°C | 195 mm | 79% | 3 m/s | 6.7 |
| 2023 🔥 | 28.9°C | 26.1°C | 23.3°C | 33.8°C | 21.5°C | 160 mm | 75% | 2.9 m/s | 7 |
| 2022 | 26.0°C | 23.2°C | 20.4°C | 31.3°C | 17.9°C | 73 mm | 72% | 3.8 m/s | 6.7 |
| 2021 | 26.3°C | 24.0°C | 21.7°C | 28.5°C | 18.5°C | 146 mm | 77% | 2.9 m/s | 6.9 |
| 2020 | 27.5°C | 25.0°C | 22.6°C | 32.0°C | 20.5°C | 151 mm | 75% | 3.6 m/s | 6.3 |
| 2019 | 29.1°C | 25.7°C | 22.3°C | 35.8°C | 20.2°C | 68 mm | 67% | 3.2 m/s | 7.2 |
| 2018 | 27.2°C | 24.6°C | 22.0°C | 32.2°C | 19.7°C | 88 mm | 73% | 3.6 m/s | 6.8 |
| 2017 | 27.2°C | 24.5°C | 21.8°C | 30.5°C | 18.3°C | 151 mm | 76% | 2.9 m/s | 7.2 |
| 2016 | 27.9°C | 24.9°C | 21.9°C | 30.9°C | 20.0°C | 69 mm | 72% | 3.5 m/s | 6.9 |
| 2015 | 26.6°C | 24.0°C | 21.4°C | 30.5°C | 19.7°C | 73 mm | 71% | 3.4 m/s | 6.5 |
| 2014 | 27.4°C | 24.7°C | 22.1°C | 32.3°C | 19.4°C | 138 mm | 76% | 3.1 m/s | 6.3 |
| 2013 | 27.1°C | 24.0°C | 20.9°C | 33.2°C | 18.2°C | 32 mm | 69% | 3.2 m/s | 7.3 |
| 2012 | 27.8°C | 25.0°C | 22.1°C | 33.2°C | 20.0°C | 41 mm | 69% | 3.4 m/s | 7.1 |
| 2011 | 24.9°C | 22.6°C | 20.3°C | 28.1°C | 18.8°C | 192 mm | 75% | 3.7 m/s | 5.8 |
| 2010 🌧️ | 25.2°C | 23.4°C | 21.6°C | 28.9°C | 16.8°C | 494 mm | 86% | 3.6 m/s | 4.9 |
| 2009 | 27.8°C | 25.2°C | 22.6°C | 30.7°C | 20.2°C | 116 mm | 73% | 3.4 m/s | 6.9 |
| 2008 | 27.7°C | 24.8°C | 21.8°C | 33.3°C | 19.3°C | 92 mm | 73% | 3.3 m/s | 7 |
| 2007 | 26.1°C | 23.9°C | 21.8°C | 28.7°C | 20.1°C | 141 mm | 76% | 3.6 m/s | 5.9 |
| 2006 | 25.4°C | 22.7°C | 20.1°C | 29.3°C | 18.6°C | 86 mm | 71% | 3.5 m/s | 6.6 |
| 2005 | 29.2°C | 26.0°C | 22.7°C | 32.9°C | 18.9°C | 158 mm | 74% | 3.2 m/s | 7.7 |
| 2004 | 26.6°C | 24.0°C | 21.5°C | 30.8°C | 19.1°C | 225 mm | 77% | 3.4 m/s | 6.5 |
| 2003 | 26.8°C | 24.2°C | 21.6°C | 31.8°C | 17.8°C | 153 mm | 76% | 3.4 m/s | 6.5 |
| 2002 | 27.4°C | 24.4°C | 21.3°C | 33.7°C | 18.5°C | 145 mm | 69% | 3.3 m/s | 7.5 |
| 2001 | 28.8°C | 25.7°C | 22.5°C | 35.2°C | 20.3°C | 122 mm | 71% | 3.3 m/s | 7 |
| 2000 | 26.9°C | 24.1°C | 21.4°C | 31.2°C | 19.3°C | 100 mm | 73% | 3.3 m/s | 6.8 |
| 1999 | 24.4°C | 22.1°C | 19.7°C | 29.5°C | 18.7°C | 187 mm | 75% | 3.3 m/s | 6.9 |
| 1998 | 27.3°C | 24.5°C | 21.7°C | 33.2°C | 17.9°C | 100 mm | 74% | 3 m/s | 6.7 |
| 1997 | 28.6°C | 25.8°C | 23.0°C | 31.8°C | 20.7°C | 78 mm | 74% | 3.3 m/s | 6.8 |
| 1996 | 26.7°C | 23.9°C | 21.2°C | 33.4°C | 18.5°C | 130 mm | 74% | 3.3 m/s | 6.7 |
| 1995 | 26.5°C | 23.7°C | 20.9°C | 29.9°C | 18.7°C | 214 mm | 72% | 3.4 m/s | 7.1 |
| 1994 | 26.4°C | 23.6°C | 20.8°C | 32.2°C | 18.4°C | 99 mm | 71% | 3.5 m/s | 7.2 |
| 1993 | 26.2°C | 23.2°C | 20.2°C | 30.7°C | 18.5°C | 135 mm | 72% | 3.2 m/s | 7 |
| 1992 | 26.5°C | 23.7°C | 20.9°C | 31.0°C | 17.1°C | 81 mm | 73% | 3.6 m/s | 6.8 |
| 1991 | 25.8°C | 23.3°C | 20.9°C | 28.7°C | 18.5°C | 288 mm | 78% | 3.1 m/s | 7 |
| 1990 | 28.5°C | 25.5°C | 22.5°C | 34.2°C | 19.4°C | 95 mm | 74% | 3.2 m/s | 7 |
| 1989 | 26.3°C | 23.5°C | 20.6°C | 30.4°C | 18.7°C | 87 mm | 72% | 3.5 m/s | 6.9 |
| 1988 | 26.2°C | 24.0°C | 21.8°C | 30.1°C | 19.8°C | 284 mm | 80% | 3.7 m/s | 6.4 |
| 1987 | 26.6°C | 23.8°C | 21.1°C | 30.0°C | 16.9°C | 131 mm | 74% | 3.2 m/s | 7 |
| 1986 | 26.2°C | 23.4°C | 20.6°C | 31.0°C | 16.7°C | 109 mm | 75% | 3.3 m/s | 6.9 |
| 1985 | 28.3°C | 25.0°C | 21.6°C | 35.2°C | 18.5°C | 96 mm | 73% | 3.1 m/s | 6.9 |
| 1984 | 27.6°C | 24.4°C | 21.3°C | 31.5°C | 17.7°C | 119 mm | 74% | 3.1 m/s | 6.4 |
| 1983 ❄️ | 24.5°C | 22.1°C | 19.7°C | 29.2°C | 16.9°C | 175 mm | 76% | 3.1 m/s | — |
| 1982 | 27.0°C | 24.1°C | 21.1°C | 29.4°C | 19.2°C | 128 mm | 73% | 3.1 m/s | — |
| 1981 | 27.3°C | 24.9°C | 22.4°C | 31.1°C | 20.3°C | 167 mm | 80% | 2.9 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 27°C with lows near 21.5°C (mean 24.3°C), based on 45 years of NASA POWER data.
December averages 137 mm of rainfall in Bongaree, a relatively wet time of year. The wettest on record was 494 mm in 2010.
The hottest December reached 35.8°C in 2019. The coldest dipped to 16.7°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C. Daytime highs moved from 26.9°C to 27.3°C and overnight lows from 21.2°C to 22°C over the same span.
December is one of the warmer months of the year in Bongaree and a relatively wet time of year, so plan for around 27°C daytime highs and 21.5°C at night.
Not quite — December is the 10th coolest month in Bongaree, averaging 24.3°C.
For December in Bongaree, pack light layers you can adjust through the day, with typical highs of 27°C and lows of 21.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 74% — moderately humid.
Average wind speed in December is 3.3 m/s. The windiest December on record averaged 3.8 m/s (2022).
The wettest December on record was 2010 with 494 mm. On average, December sees 137 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 Bongaree 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.
