December is one of the warmer months of the year in Kangaroo Flat, with average highs near 26.7°C and lows around 10.8°C (mean 18.8°C). It is about average for rainfall, averaging 44 mm of rainfall and 56% relative humidity across the period.
December is one of the warmer months of the year in Kangaroo Flat. Across 45 years of records, the warmest December in Kangaroo Flat was 2015 — when the month averaged 22°C — while the coldest was 1995 at 16.1°C. Typical December days reach 26.7°C with nights near 10.8°C. The long-term trend is warming, about 0.4°C per decade.
December is about average for rainfall in Kangaroo Flat, averaging 44 mm of rainfall. The wettest December on record was 1985 with 115 mm, while the driest was 1997 at 4 mm.
Relative humidity in Kangaroo Flat during December averages 56%. The most humid December was 1992 at 76%, and the least humid was 2015 at 42%.
December receives about 7.7 kWh/m²/day of solar energy in Kangaroo Flat. The sunniest December was 1994 at 8.6 kWh/m²/day, and the cloudiest was 1992 at 6.4.
Average wind speed in Kangaroo Flat during December is 3.4 m/s. The windiest December was 2002 at 4 m/s, while the calmest was 1992 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.1°C | 18.4°C | 18.8°C | 19.7°C | 18.7°C | +0.6°C |
| Avg High | 25.9°C | 26.4°C | 27.0°C | 27.7°C | 26.6°C | +0.7°C |
| Avg Low | 10.3°C | 10.4°C | 10.7°C | 11.6°C | 10.8°C | +0.5°C |
| Avg Rain | 46 mm | 49 mm | 43 mm | 40 mm | 40 mm | -6 mm |
December temperatures in Kangaroo Flat have risen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 2.7°C (1993) to a record high of 44.1°C (2019).
Rainfall in December is about average for rainfall, averaging 44 mm, with a wettest year of 115 mm.
One of the best times to visit Kangaroo Flat
December is one of the best times to visit Kangaroo Flat. Expect days averaging 26.7°C and nights around 10.8°C (mean 18.8°C) — warmer than Kangaroo Flat's yearly average — with moderate rainfall (44 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 26.8°C | 18.6°C | 10.4°C | 38.1°C | 5.3°C | 32 mm | 53% | 3.3 m/s | — |
| 2024 | 29.1°C | 20.5°C | 11.9°C | 39.5°C | 7.9°C | 26 mm | 54% | 3.3 m/s | 8.3 |
| 2023 | 26.6°C | 19.4°C | 12.3°C | 36.8°C | 8.7°C | 87 mm | 63% | 3.5 m/s | 6.9 |
| 2022 | 24.1°C | 17.0°C | 9.9°C | 35.7°C | 4.6°C | 40 mm | 67% | 3 m/s | 7.7 |
| 2021 | 27.2°C | 18.9°C | 10.7°C | 37.1°C | 6.8°C | 23 mm | 57% | 3.5 m/s | 8.3 |
| 2020 | 25.8°C | 17.7°C | 9.5°C | 34.7°C | 6.2°C | 31 mm | 55% | 3.7 m/s | 7.9 |
| 2019 | 29.9°C | 20.9°C | 11.9°C | 44.1°C | 5.8°C | 8 mm | 47% | 3.7 m/s | 8.3 |
| 2018 | 29.0°C | 21.1°C | 13.1°C | 38.9°C | 7.9°C | 70 mm | 58% | 3.1 m/s | 7.3 |
| 2017 | 26.9°C | 19.5°C | 12.0°C | 35.6°C | 7.0°C | 80 mm | 60% | 3.2 m/s | 7.3 |
| 2016 | 27.7°C | 19.6°C | 11.6°C | 35.2°C | 5.0°C | 36 mm | 56% | 3.3 m/s | 7.6 |
| 2015 🔥 | 31.1°C | 22.0°C | 12.9°C | 40.7°C | 5.5°C | 22 mm | 42% | 3.4 m/s | 8.3 |
| 2014 | 27.9°C | 19.7°C | 11.5°C | 35.0°C | 7.2°C | 23 mm | 53% | 3.3 m/s | 8 |
| 2013 | 27.5°C | 19.0°C | 10.5°C | 38.4°C | 3.6°C | 33 mm | 55% | 3.3 m/s | 7.5 |
| 2012 | 27.9°C | 19.7°C | 11.4°C | 38.2°C | 8.0°C | 16 mm | 50% | 3.5 m/s | 7.8 |
| 2011 | 26.4°C | 18.9°C | 11.3°C | 34.1°C | 4.3°C | 42 mm | 59% | 3.3 m/s | 8.1 |
| 2010 | 22.4°C | 16.3°C | 10.2°C | 35.1°C | 4.3°C | 74 mm | 75% | 3 m/s | 7.1 |
| 2009 | 27.1°C | 18.6°C | 10.0°C | 37.0°C | 6.0°C | 35 mm | 56% | 3.2 m/s | 8.1 |
| 2008 | 24.4°C | 17.1°C | 9.9°C | 30.8°C | 6.0°C | 68 mm | 61% | 3.3 m/s | 7.5 |
| 2007 | 27.8°C | 19.9°C | 12.1°C | 38.7°C | 5.4°C | 78 mm | 55% | 3.2 m/s | 7.7 |
| 2006 | 27.9°C | 19.1°C | 10.2°C | 41.3°C | 4.8°C | 15 mm | 44% | 3.6 m/s | 8.4 |
| 2005 | 27.8°C | 19.3°C | 10.9°C | 42.9°C | 6.0°C | 40 mm | 51% | 3.4 m/s | 7.8 |
| 2004 | 25.6°C | 18.2°C | 10.8°C | 35.3°C | 5.5°C | 64 mm | 62% | 3.1 m/s | 7.7 |
| 2003 | 29.0°C | 20.6°C | 12.2°C | 37.7°C | 7.1°C | 52 mm | 55% | 3.2 m/s | 7.4 |
| 2002 | 28.3°C | 19.8°C | 11.3°C | 39.2°C | 5.2°C | 35 mm | 50% | 4 m/s | 7.6 |
| 2001 | 24.2°C | 16.6°C | 9.0°C | 35.1°C | 5.4°C | 18 mm | 58% | 3.5 m/s | 7.5 |
| 2000 | 27.8°C | 19.1°C | 10.4°C | 36.5°C | 5.2°C | 22 mm | 54% | 3.4 m/s | 8.3 |
| 1999 | 25.8°C | 18.1°C | 10.5°C | 35.4°C | 5.1°C | 101 mm | 58% | 3.7 m/s | 7.6 |
| 1998 | 27.9°C | 19.2°C | 10.5°C | 39.6°C | 5.6°C | 27 mm | 56% | 3.4 m/s | 8.1 |
| 1997 | 28.5°C | 19.9°C | 11.3°C | 36.2°C | 7.5°C | 4 mm | 52% | 3.6 m/s | 8.3 |
| 1996 | 25.5°C | 17.2°C | 8.9°C | 35.3°C | 4.4°C | 24 mm | 55% | 3.4 m/s | 7.8 |
| 1995 ❄️ | 24.1°C | 16.1°C | 8.1°C | 32.1°C | 3.2°C | 28 mm | 60% | 3.7 m/s | 7.6 |
| 1994 | 30.6°C | 21.2°C | 11.9°C | 38.5°C | 4.4°C | 6 mm | 43% | 3.5 m/s | 8.6 |
| 1993 | 24.0°C | 16.7°C | 9.3°C | 30.8°C | 2.7°C | 82 mm | 64% | 3.5 m/s | 7.2 |
| 1992 | 23.0°C | 17.3°C | 11.7°C | 29.9°C | 5.4°C | 114 mm | 76% | 2.9 m/s | 6.4 |
| 1991 | 25.2°C | 17.7°C | 10.1°C | 34.9°C | 4.2°C | 81 mm | 60% | 3.3 m/s | 7.5 |
| 1990 | 29.1°C | 20.3°C | 11.6°C | 38.7°C | 6.0°C | 21 mm | 50% | 3.5 m/s | 7.8 |
| 1989 | 27.4°C | 19.1°C | 10.8°C | 36.0°C | 6.3°C | 21 mm | 55% | 3.4 m/s | 7.9 |
| 1988 | 26.6°C | 19.0°C | 11.4°C | 36.6°C | 5.4°C | 71 mm | 63% | 3.2 m/s | 7.2 |
| 1987 | 25.8°C | 17.7°C | 9.6°C | 35.6°C | 4.0°C | 70 mm | 58% | 3.6 m/s | 8.1 |
| 1986 | 23.7°C | 16.2°C | 8.6°C | 33.1°C | 3.8°C | 59 mm | 62% | 3.4 m/s | 7.3 |
| 1985 🌧️ | 23.2°C | 16.9°C | 10.5°C | 30.2°C | 6.6°C | 115 mm | 68% | 3.2 m/s | 7 |
| 1984 | 25.7°C | 17.5°C | 9.4°C | 35.3°C | 5.3°C | 17 mm | 53% | 3.9 m/s | 7.9 |
| 1983 | 26.1°C | 18.3°C | 10.5°C | 35.5°C | 6.0°C | 18 mm | 60% | 3.3 m/s | — |
| 1982 | 27.6°C | 19.5°C | 11.3°C | 35.2°C | 6.7°C | 28 mm | 48% | 3.5 m/s | — |
| 1981 | 26.6°C | 18.6°C | 10.5°C | 37.7°C | 6.6°C | 16 mm | 53% | 3.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 26.7°C with lows near 10.8°C (mean 18.8°C), based on 45 years of NASA POWER data.
December averages 44 mm of rainfall in Kangaroo Flat, about average for rainfall. The wettest on record was 115 mm in 1985.
The hottest December reached 44.1°C in 2019. The coldest dipped to 2.7°C in 1993.
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 25.8°C to 26.8°C and overnight lows from 10.4°C to 11°C over the same span.
December is one of the warmer months of the year in Kangaroo Flat and about average for rainfall, so plan for around 26.7°C daytime highs and 10.8°C at night.
Not quite — December is the 10th coolest month in Kangaroo Flat, averaging 18.8°C.
For December in Kangaroo Flat, pack light layers you can adjust through the day, with typical highs of 26.7°C and lows of 10.8°C.
Relative humidity in December averages 56% — moderately humid.
Average wind speed in December is 3.4 m/s. The windiest December on record averaged 4 m/s (2002).
The wettest December on record was 1985 with 115 mm. On average, December sees 44 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 Kangaroo Flat 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.
