December is one of the warmer months of the year in Kununurra, with average highs near 36.7°C and lows around 26.4°C (mean 31.6°C). It is a relatively wet time of year, averaging 154 mm of rainfall and 59% relative humidity across the period.
December is one of the warmer months of the year in Kununurra. Across 45 years of records, the warmest December in Kununurra was 2023 — when the month averaged 35.4°C — while the coldest were 1998 and 2008 at 29.3°C. Typical December days reach 36.7°C with nights near 26.4°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Kununurra, averaging 154 mm of rainfall. The wettest December on record was 2008 with 379 mm, while the driest was 1991 at 40 mm.
Relative humidity in Kununurra during December averages 59%. The most humid December was 2008 at 73%, and the least humid was 1991 at 45%.
December receives about 6.5 kWh/m²/day of solar energy in Kununurra. The sunniest December was 1986 at 7.6 kWh/m²/day, and the cloudiest were 1996 and 2020 at 5.6.
Average wind speed in Kununurra during December is 2.6 m/s. The windiest December was 2000 at 3.3 m/s, while the calmest was 1997 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.0°C | 31.1°C | 31.1°C | 31.5°C | 32.3°C | +0.3°C |
| Avg High | 37.5°C | 36.1°C | 36.1°C | 36.5°C | 37.7°C | +0.2°C |
| Avg Low | 26.4°C | 26.0°C | 26.2°C | 26.6°C | 26.8°C | +0.4°C |
| Avg Rain | 123 mm | 147 mm | 190 mm | 170 mm | 124 mm | +1 mm |
December temperatures in Kununurra have risen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 20°C (2022) to a record high of 46.2°C (2023).
Rainfall in December is a relatively wet time of year, averaging 154 mm, with a wettest year of 379 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 Kununurra
If your dates are flexible, the more temperate months of July and June tend to be the most comfortable for visiting Kununurra. That said, December — with days averaging 36.7°C and nights around 26.4°C (mean 31.6°C) and higher rainfall (154 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 | 31.8°C | 26.3°C | 41.8°C | 21.9°C | 70 mm | 55% | 2.7 m/s | — |
| 2024 | 38.8°C | 33.3°C | 27.7°C | 43.1°C | 25.6°C | 92 mm | 58% | 2.7 m/s | 6.5 |
| 2023 🔥 | 41.8°C | 35.4°C | 29.0°C | 46.2°C | 26.6°C | 57 mm | 47% | 2.8 m/s | 6.9 |
| 2022 | 35.2°C | 30.3°C | 25.3°C | 42.7°C | 20.0°C | 216 mm | 65% | 2.6 m/s | 6.4 |
| 2021 | 39.2°C | 33.3°C | 27.3°C | 43.7°C | 24.2°C | 83 mm | 51% | 2.8 m/s | 7.1 |
| 2020 | 34.0°C | 29.7°C | 25.3°C | 40.0°C | 20.3°C | 223 mm | 70% | 2.8 m/s | 5.6 |
| 2019 | 41.3°C | 34.6°C | 28.0°C | 44.6°C | 26.3°C | 86 mm | 46% | 2.7 m/s | 7.1 |
| 2018 | 40.2°C | 34.0°C | 27.8°C | 45.9°C | 23.6°C | 87 mm | 50% | 2.6 m/s | 7 |
| 2017 | 37.6°C | 32.1°C | 26.6°C | 43.3°C | 22.5°C | 109 mm | 56% | 2.5 m/s | 6.9 |
| 2016 | 35.5°C | 31.2°C | 26.9°C | 43.4°C | 24.7°C | 242 mm | 63% | 3.2 m/s | 5.8 |
| 2015 | 35.3°C | 30.8°C | 26.4°C | 41.7°C | 24.1°C | 260 mm | 64% | 2.5 m/s | 6.2 |
| 2014 | 35.0°C | 30.8°C | 26.6°C | 40.0°C | 24.3°C | 233 mm | 65% | 2.5 m/s | 6.2 |
| 2013 | 33.8°C | 29.7°C | 25.6°C | 39.8°C | 23.1°C | 211 mm | 69% | 2.2 m/s | 6.1 |
| 2012 | 34.9°C | 30.5°C | 26.1°C | 42.3°C | 23.8°C | 169 mm | 66% | 2.1 m/s | 6.7 |
| 2011 | 36.3°C | 31.3°C | 26.4°C | 40.4°C | 24.2°C | 121 mm | 60% | 2.2 m/s | 6.7 |
| 2010 | 34.9°C | 30.2°C | 25.4°C | 41.3°C | 22.1°C | 188 mm | 64% | 2.6 m/s | 6.2 |
| 2009 | 37.2°C | 31.7°C | 26.2°C | 43.9°C | 23.0°C | 123 mm | 57% | 2.9 m/s | 6.2 |
| 2008 🌧️ | 33.4°C | 29.3°C | 25.2°C | 41.8°C | 22.7°C | 379 mm | 73% | 2.9 m/s | 5.7 |
| 2007 | 36.0°C | 31.2°C | 26.5°C | 44.6°C | 24.2°C | 187 mm | 61% | 2.2 m/s | 6.3 |
| 2006 | 37.0°C | 31.9°C | 26.9°C | 43.8°C | 23.3°C | 101 mm | 53% | 2.6 m/s | 6.6 |
| 2005 | 35.5°C | 31.0°C | 26.5°C | 41.5°C | 24.4°C | 196 mm | 64% | 2.3 m/s | 6.2 |
| 2004 | 38.7°C | 32.7°C | 26.7°C | 43.9°C | 23.0°C | 136 mm | 53% | 2.6 m/s | 6.9 |
| 2003 | 34.6°C | 30.4°C | 26.2°C | 40.2°C | 23.4°C | 306 mm | 68% | 2.7 m/s | 6.2 |
| 2002 | 38.5°C | 32.7°C | 26.9°C | 43.5°C | 24.2°C | 82 mm | 52% | 2.2 m/s | 7.1 |
| 2001 | 35.2°C | 30.4°C | 25.5°C | 40.1°C | 23.9°C | 189 mm | 65% | 2.3 m/s | 6.7 |
| 2000 | 35.1°C | 30.1°C | 25.0°C | 39.1°C | 21.5°C | 198 mm | 65% | 3.3 m/s | 6.2 |
| 1999 | 33.6°C | 29.5°C | 25.5°C | 39.9°C | 23.5°C | 234 mm | 70% | 2.3 m/s | 6.4 |
| 1998 ❄️ | 33.3°C | 29.3°C | 25.3°C | 40.1°C | 23.5°C | 168 mm | 70% | 2.3 m/s | 6 |
| 1997 | 35.4°C | 30.8°C | 26.2°C | 42.0°C | 23.8°C | 134 mm | 62% | 2 m/s | 6.4 |
| 1996 | 33.8°C | 29.8°C | 25.7°C | 41.7°C | 23.7°C | 294 mm | 71% | 2.5 m/s | 5.6 |
| 1995 | 35.4°C | 30.6°C | 25.9°C | 41.3°C | 22.9°C | 139 mm | 64% | 2.7 m/s | 6.6 |
| 1994 | 35.1°C | 30.3°C | 25.5°C | 40.2°C | 23.8°C | 150 mm | 64% | 2.2 m/s | 7 |
| 1993 | 36.4°C | 31.2°C | 26.0°C | 42.2°C | 22.6°C | 117 mm | 58% | 2.7 m/s | 6.1 |
| 1992 | 40.8°C | 34.2°C | 27.5°C | 43.6°C | 26.1°C | 55 mm | 47% | 3 m/s | 7.3 |
| 1991 | 40.9°C | 34.0°C | 27.2°C | 43.1°C | 24.3°C | 40 mm | 45% | 2.7 m/s | 7.5 |
| 1990 | 36.6°C | 31.1°C | 25.6°C | 42.2°C | 20.1°C | 138 mm | 60% | 3.1 m/s | 6.6 |
| 1989 | 38.9°C | 32.8°C | 26.7°C | 41.6°C | 21.5°C | 125 mm | 51% | 2.5 m/s | 7.3 |
| 1988 | 34.0°C | 29.6°C | 25.1°C | 41.5°C | 23.2°C | 216 mm | 70% | 2.8 m/s | 6.3 |
| 1987 | 35.7°C | 30.8°C | 25.8°C | 41.4°C | 21.2°C | 219 mm | 62% | 3.2 m/s | 6.6 |
| 1986 | 40.5°C | 34.0°C | 27.6°C | 42.5°C | 24.2°C | 47 mm | 46% | 3 m/s | 7.6 |
| 1985 | 39.0°C | 33.3°C | 27.6°C | 43.8°C | 24.0°C | 85 mm | 51% | 2.8 m/s | 7.2 |
| 1984 | 36.7°C | 31.5°C | 26.4°C | 43.7°C | 23.1°C | 159 mm | 58% | 2.9 m/s | 6.5 |
| 1983 | 38.5°C | 32.4°C | 26.3°C | 43.1°C | 21.4°C | 59 mm | 48% | 2.6 m/s | — |
| 1982 | 37.8°C | 32.2°C | 26.5°C | 42.1°C | 24.7°C | 87 mm | 54% | 2.5 m/s | — |
| 1981 | 36.7°C | 31.1°C | 25.5°C | 41.6°C | 21.7°C | 111 mm | 60% | 2.6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 36.7°C with lows near 26.4°C (mean 31.6°C), based on 45 years of NASA POWER data.
December averages 154 mm of rainfall in Kununurra, a relatively wet time of year. The wettest on record was 379 mm in 2008.
The hottest December reached 46.2°C in 2023. The coldest dipped to 20°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.7°C. Daytime highs moved from 37.7°C to 38.5°C and overnight lows from 26.5°C to 27.1°C over the same span.
December is one of the warmer months of the year in Kununurra and a relatively wet time of year, so plan for around 36.7°C daytime highs and 26.4°C at night.
Not quite — December is the 10th coolest month in Kununurra, averaging 31.6°C.
For December in Kununurra, pack light, breathable clothing and sun protection, with typical highs of 36.7°C and lows of 26.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 59% — moderately humid.
Average wind speed in December is 2.6 m/s. The windiest December on record averaged 3.3 m/s (2000).
The wettest December on record was 2008 with 379 mm. On average, December sees 154 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 Kununurra 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.
