December is one of the warmer months of the year in Broome, with average highs near 37.1°C and lows around 27.1°C (mean 32.1°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 60% relative humidity across the period.
December is one of the warmer months of the year in Broome. Across 45 years of records, the warmest December in Broome was 2019 — when the month averaged 34.7°C — while the coldest were 1988 and 1995 at 30.3°C. Typical December days reach 37.1°C with nights near 27.1°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Broome, averaging 97 mm of rainfall. The wettest December on record was 2016 with 413 mm, while the driest was 1992 at 1 mm.
Relative humidity in Broome during December averages 60%. The most humid December was 1998 at 69%, and the least humid was 2019 at 51%.
December receives about 7.1 kWh/m²/day of solar energy in Broome. The sunniest December was 1986 at 8.2 kWh/m²/day, and the cloudiest was 2016 at 5.8.
Average wind speed in Broome during December is 3.6 m/s. The windiest December was 2000 at 4.9 m/s, while the calmest was 2012 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.0°C | 31.7°C | 32.0°C | 32.5°C | 32.6°C | +0.6°C |
| Avg High | 37.3°C | 36.7°C | 37.0°C | 37.3°C | 37.6°C | +0.3°C |
| Avg Low | 26.7°C | 26.6°C | 27.0°C | 27.7°C | 27.5°C | +0.8°C |
| Avg Rain | 53 mm | 99 mm | 114 mm | 124 mm | 85 mm | +32 mm |
December temperatures in Broome have risen by about 0.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 22°C (1988) to a record high of 46.5°C (2019).
Rainfall in December is a relatively wet time of year, averaging 97 mm, with a wettest year of 413 mm.
A quieter season to visit Broome
If your dates are flexible, the more temperate months of July and June tend to be the most comfortable for visiting Broome. That said, December — with days averaging 37.1°C and nights around 27.1°C (mean 32.1°C) and higher rainfall (97 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 | 37.4°C | 32.5°C | 27.6°C | 42.2°C | 25.2°C | 76 mm | 59% | 3 m/s | — |
| 2024 | 37.0°C | 32.8°C | 28.7°C | 44.5°C | 27.2°C | 158 mm | 64% | 2.8 m/s | 6.2 |
| 2023 | 39.7°C | 33.2°C | 26.7°C | 43.1°C | 22.9°C | 9 mm | 53% | 4.1 m/s | 7.9 |
| 2022 | 38.0°C | 32.6°C | 27.1°C | 42.0°C | 24.9°C | 42 mm | 58% | 3.9 m/s | 7.1 |
| 2021 | 38.2°C | 33.2°C | 28.2°C | 41.7°C | 26.4°C | 56 mm | 60% | 3.7 m/s | 7.6 |
| 2020 | 35.3°C | 31.1°C | 26.9°C | 41.0°C | 23.5°C | 168 mm | 67% | 3.3 m/s | 6.1 |
| 2019 🔥 | 40.6°C | 34.7°C | 28.9°C | 46.5°C | 27.4°C | 52 mm | 51% | 3.4 m/s | 7.2 |
| 2018 | 38.8°C | 32.9°C | 27.0°C | 45.8°C | 23.8°C | 30 mm | 58% | 3.8 m/s | 7.5 |
| 2017 | 36.7°C | 32.4°C | 28.1°C | 40.6°C | 26.7°C | 174 mm | 62% | 3.5 m/s | 6.5 |
| 2016 🌧️ | 34.3°C | 31.0°C | 27.6°C | 39.2°C | 25.7°C | 413 mm | 68% | 3.6 m/s | 5.8 |
| 2015 | 38.0°C | 32.9°C | 27.9°C | 41.4°C | 26.4°C | 20 mm | 58% | 4.1 m/s | 7.5 |
| 2014 | 35.8°C | 31.5°C | 27.1°C | 39.7°C | 25.7°C | 143 mm | 64% | 2.9 m/s | 7.1 |
| 2013 | 36.9°C | 32.2°C | 27.5°C | 41.8°C | 25.0°C | 169 mm | 59% | 3.5 m/s | 6.8 |
| 2012 | 37.2°C | 32.6°C | 28.0°C | 44.0°C | 25.6°C | 105 mm | 57% | 2.7 m/s | 6.8 |
| 2011 | 38.3°C | 32.8°C | 27.4°C | 43.4°C | 24.5°C | 24 mm | 58% | 3.7 m/s | 7.8 |
| 2010 | 36.2°C | 31.6°C | 27.0°C | 41.9°C | 24.7°C | 111 mm | 62% | 3.4 m/s | 6.9 |
| 2009 | 37.5°C | 32.0°C | 26.5°C | 44.2°C | 24.1°C | 193 mm | 62% | 3.9 m/s | 7 |
| 2008 | 35.8°C | 31.1°C | 26.4°C | 41.1°C | 24.3°C | 216 mm | 63% | 3.3 m/s | 6.6 |
| 2007 | 35.8°C | 31.5°C | 27.2°C | 40.3°C | 25.9°C | 158 mm | 63% | 2.8 m/s | 6.8 |
| 2006 | 37.8°C | 32.5°C | 27.2°C | 42.9°C | 24.6°C | 91 mm | 55% | 2.8 m/s | 7.3 |
| 2005 | 35.9°C | 31.7°C | 27.6°C | 44.7°C | 26.1°C | 145 mm | 64% | 3 m/s | 6.4 |
| 2004 | 39.0°C | 33.4°C | 27.8°C | 44.4°C | 26.2°C | 67 mm | 56% | 3 m/s | 7.5 |
| 2003 | 38.0°C | 32.4°C | 26.8°C | 42.5°C | 25.6°C | 68 mm | 60% | 4.1 m/s | 7.1 |
| 2002 | 38.2°C | 33.1°C | 28.0°C | 41.7°C | 27.0°C | 43 mm | 57% | 3 m/s | 7.4 |
| 2001 | 36.5°C | 31.2°C | 25.9°C | 39.7°C | 23.2°C | 15 mm | 59% | 4.1 m/s | 7.7 |
| 2000 | 35.3°C | 30.8°C | 26.3°C | 42.6°C | 24.9°C | 140 mm | 67% | 4.9 m/s | 6.8 |
| 1999 | 35.4°C | 31.1°C | 26.8°C | 40.9°C | 25.4°C | 138 mm | 65% | 3.4 m/s | 6.5 |
| 1998 | 34.3°C | 30.4°C | 26.5°C | 40.4°C | 25.3°C | 177 mm | 69% | 3.1 m/s | 6.3 |
| 1997 | 36.8°C | 32.0°C | 27.2°C | 40.3°C | 25.7°C | 105 mm | 63% | 3.2 m/s | 7.5 |
| 1996 | 36.0°C | 31.3°C | 26.6°C | 39.7°C | 24.4°C | 122 mm | 64% | 3.9 m/s | 6.9 |
| 1995 | 34.6°C | 30.3°C | 26.1°C | 41.8°C | 23.4°C | 95 mm | 65% | 3.8 m/s | 6.4 |
| 1994 | 36.2°C | 31.5°C | 26.7°C | 41.9°C | 23.6°C | 155 mm | 63% | 3.1 m/s | 6.9 |
| 1993 | 37.6°C | 32.3°C | 27.1°C | 45.4°C | 25.2°C | 154 mm | 62% | 3.6 m/s | 7 |
| 1992 | 39.9°C | 32.8°C | 25.7°C | 44.3°C | 23.9°C | 1 mm | 51% | 4.1 m/s | 8.1 |
| 1991 | 38.2°C | 32.1°C | 26.1°C | 41.9°C | 23.9°C | 18 mm | 58% | 3.9 m/s | 7.9 |
| 1990 | 38.0°C | 32.7°C | 27.4°C | 41.7°C | 24.6°C | 30 mm | 56% | 3.8 m/s | 7.5 |
| 1989 | 38.3°C | 32.5°C | 26.8°C | 41.4°C | 23.7°C | 23 mm | 56% | 3.9 m/s | 7.5 |
| 1988 ❄️ | 35.0°C | 30.3°C | 25.6°C | 42.2°C | 22.0°C | 109 mm | 65% | 4.3 m/s | 7.1 |
| 1987 | 38.1°C | 32.4°C | 26.6°C | 44.4°C | 22.1°C | 45 mm | 55% | 4.1 m/s | 7.4 |
| 1986 | 39.1°C | 32.8°C | 26.6°C | 44.3°C | 25.3°C | 7 mm | 55% | 4.1 m/s | 8.2 |
| 1985 | 38.0°C | 32.2°C | 26.5°C | 44.6°C | 24.6°C | 56 mm | 58% | 3.7 m/s | 7.6 |
| 1984 | 35.7°C | 31.3°C | 26.9°C | 40.4°C | 24.6°C | 74 mm | 62% | 4 m/s | 6.8 |
| 1983 | 36.8°C | 31.6°C | 26.5°C | 44.3°C | 23.0°C | 44 mm | 59% | 3.2 m/s | — |
| 1982 | 37.4°C | 32.6°C | 27.7°C | 42.6°C | 26.2°C | 41 mm | 57% | 3.2 m/s | — |
| 1981 | 37.3°C | 32.1°C | 26.8°C | 44.1°C | 24.1°C | 76 mm | 61% | 3.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 37.1°C with lows near 27.1°C (mean 32.1°C), based on 45 years of NASA POWER data.
December averages 97 mm of rainfall in Broome, a relatively wet time of year. The wettest on record was 413 mm in 2016.
The hottest December reached 46.5°C in 2019. The coldest dipped to 22°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.9°C. Daytime highs moved from 37°C to 38.1°C and overnight lows from 26.9°C to 27.7°C over the same span.
December is one of the warmer months of the year in Broome and a relatively wet time of year, so plan for around 37.1°C daytime highs and 27.1°C at night.
Not quite — December is the 11th coolest month in Broome, averaging 32.1°C.
For December in Broome, pack light, breathable clothing and sun protection, with typical highs of 37.1°C and lows of 27.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 60% — moderately humid.
Average wind speed in December is 3.6 m/s. The windiest December on record averaged 4.9 m/s (2000).
The wettest December on record was 2016 with 413 mm. On average, December sees 97 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 Broome 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.
