December is one of the warmer months of the year in McMinns Lagoon, with average highs near 32.3°C and lows around 26.1°C (mean 29.2°C). It is a relatively wet time of year, averaging 279 mm of rainfall and 79% relative humidity across the period.
December is one of the warmer months of the year in McMinns Lagoon. Across 45 years of records, the warmest December in McMinns Lagoon was 2019 — when the month averaged 32°C — while the coldest was 1988 at 27.2°C. Typical December days reach 32.3°C with nights near 26.1°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in McMinns Lagoon, averaging 279 mm of rainfall. The wettest December on record was 2003 with 560 mm, while the driest was 1991 at 72 mm.
Relative humidity in McMinns Lagoon during December averages 79%. The most humid December was 1988 at 88%, and the least humid was 2019 at 66%.
December receives about 5.8 kWh/m²/day of solar energy in McMinns Lagoon. The sunniest Decembers were 1991 and 2002 at 6.9 kWh/m²/day, and the cloudiest was 2020 at 4.8.
Average wind speed in McMinns Lagoon during December is 2.1 m/s. The windiest December was 2000 at 3.2 m/s, while the calmest were 1994 and 2012 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.1°C | 28.8°C | 29.2°C | 29.8°C | 29.3°C | +0.2°C |
| Avg High | 32.3°C | 31.8°C | 32.3°C | 33.0°C | 32.1°C | -0.2°C |
| Avg Low | 25.8°C | 25.8°C | 26.2°C | 26.5°C | 26.5°C | +0.7°C |
| Avg Rain | 216 mm | 314 mm | 325 mm | 228 mm | 326 mm | +111 mm |
December temperatures in McMinns Lagoon have risen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 22.3°C (2000) to a record high of 40.3°C (2006).
Rainfall in December is a relatively wet time of year, averaging 279 mm, with a wettest year of 560 mm.
A quieter season to visit McMinns Lagoon
If your dates are flexible, the more temperate months of June and July tend to be the most comfortable for visiting McMinns Lagoon. That said, December — with days averaging 32.3°C and nights around 26.1°C (mean 29.2°C) and higher rainfall (279 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 | 31.1°C | 28.6°C | 26.1°C | 33.6°C | 25.0°C | 335 mm | 83% | 1.9 m/s | — |
| 2024 | 32.0°C | 29.3°C | 26.6°C | 33.6°C | 25.6°C | 320 mm | 84% | 2 m/s | 5.8 |
| 2023 | 33.5°C | 30.4°C | 27.3°C | 37.3°C | 26.5°C | 185 mm | 78% | 1.8 m/s | 6 |
| 2022 | 32.2°C | 29.0°C | 25.9°C | 36.8°C | 22.4°C | 432 mm | 78% | 2.3 m/s | 5.5 |
| 2021 | 32.8°C | 29.7°C | 26.7°C | 37.8°C | 24.7°C | 314 mm | 78% | 2.1 m/s | 5.6 |
| 2020 | 30.9°C | 28.5°C | 26.1°C | 34.5°C | 25.2°C | 372 mm | 84% | 2.1 m/s | 4.8 |
| 2019 🔥 | 36.3°C | 32.0°C | 27.7°C | 39.4°C | 26.7°C | 96 mm | 66% | 1.8 m/s | 6.4 |
| 2018 | 34.1°C | 30.5°C | 27.0°C | 38.0°C | 25.5°C | 175 mm | 76% | 2.4 m/s | 6 |
| 2017 | 34.6°C | 30.5°C | 26.5°C | 37.5°C | 23.9°C | 109 mm | 71% | 2 m/s | 6.4 |
| 2016 | 32.9°C | 29.8°C | 26.7°C | 39.4°C | 25.8°C | 260 mm | 76% | 2.2 m/s | 5.4 |
| 2015 | 32.2°C | 29.4°C | 26.6°C | 36.8°C | 25.7°C | 337 mm | 79% | 2.9 m/s | 5.1 |
| 2014 | 32.4°C | 29.6°C | 26.8°C | 35.8°C | 25.7°C | 193 mm | 78% | 1.6 m/s | 5.9 |
| 2013 | 31.2°C | 28.4°C | 25.6°C | 33.7°C | 24.7°C | 268 mm | 82% | 1.5 m/s | 5.7 |
| 2012 | 34.0°C | 30.4°C | 26.7°C | 37.8°C | 25.6°C | 156 mm | 72% | 1.4 m/s | 6.3 |
| 2011 | 31.7°C | 28.8°C | 26.0°C | 34.0°C | 24.3°C | 268 mm | 82% | 2 m/s | 5.6 |
| 2010 | 30.6°C | 28.1°C | 25.6°C | 34.8°C | 23.1°C | 422 mm | 84% | 2.1 m/s | 5.3 |
| 2009 | 31.8°C | 28.9°C | 25.9°C | 37.0°C | 24.4°C | 490 mm | 81% | 1.8 m/s | 5.6 |
| 2008 | 30.7°C | 28.2°C | 25.7°C | 34.4°C | 23.5°C | 433 mm | 85% | 2 m/s | 4.9 |
| 2007 | 32.1°C | 29.2°C | 26.3°C | 34.7°C | 23.7°C | 345 mm | 80% | 1.9 m/s | 5.6 |
| 2006 | 34.0°C | 30.1°C | 26.3°C | 40.3°C | 24.3°C | 265 mm | 73% | 2 m/s | 6.2 |
| 2005 | 32.4°C | 29.4°C | 26.5°C | 34.5°C | 25.5°C | 253 mm | 79% | 1.5 m/s | 5.7 |
| 2004 | 33.3°C | 29.8°C | 26.4°C | 37.0°C | 25.6°C | 333 mm | 76% | 2.3 m/s | 5.7 |
| 2003 🌧️ | 31.7°C | 29.1°C | 26.6°C | 35.5°C | 25.6°C | 560 mm | 81% | 2.1 m/s | 5.2 |
| 2002 | 34.2°C | 30.6°C | 26.9°C | 36.6°C | 25.9°C | 142 mm | 73% | 1.7 m/s | 6.9 |
| 2001 | 31.5°C | 28.5°C | 25.5°C | 34.3°C | 23.7°C | 188 mm | 81% | 2.3 m/s | 6.1 |
| 2000 | 31.1°C | 28.3°C | 25.5°C | 33.0°C | 22.3°C | 239 mm | 83% | 3.2 m/s | 5.4 |
| 1999 | 31.5°C | 28.4°C | 25.4°C | 34.0°C | 24.4°C | 293 mm | 82% | 2.2 m/s | 5.9 |
| 1998 | 30.0°C | 27.7°C | 25.4°C | 32.0°C | 24.0°C | 541 mm | 88% | 2.8 m/s | 5.1 |
| 1997 | 32.5°C | 29.4°C | 26.4°C | 36.1°C | 25.0°C | 353 mm | 79% | 1.9 m/s | 5.7 |
| 1996 | 30.9°C | 28.4°C | 25.8°C | 36.6°C | 24.1°C | 470 mm | 83% | 2.2 m/s | 5.5 |
| 1995 | 30.8°C | 28.2°C | 25.6°C | 33.4°C | 24.7°C | 267 mm | 84% | 2.1 m/s | 5.5 |
| 1994 | 31.9°C | 28.8°C | 25.8°C | 33.9°C | 25.0°C | 239 mm | 78% | 1.4 m/s | 6.5 |
| 1993 | 31.8°C | 28.7°C | 25.7°C | 36.2°C | 23.9°C | 427 mm | 81% | 2.3 m/s | 5.5 |
| 1992 | 32.2°C | 29.2°C | 26.2°C | 35.3°C | 25.2°C | 196 mm | 79% | 2.1 m/s | 6.2 |
| 1991 | 35.3°C | 30.7°C | 26.1°C | 38.4°C | 25.2°C | 72 mm | 69% | 2.5 m/s | 6.9 |
| 1990 | 31.0°C | 28.4°C | 25.8°C | 34.5°C | 24.7°C | 281 mm | 83% | 2.3 m/s | 6.2 |
| 1989 | 34.6°C | 30.5°C | 26.4°C | 38.0°C | 25.3°C | 153 mm | 69% | 2.1 m/s | 6.4 |
| 1988 ❄️ | 29.3°C | 27.2°C | 25.1°C | 31.3°C | 24.2°C | 404 mm | 88% | 2.6 m/s | 5.2 |
| 1987 | 31.4°C | 28.7°C | 26.1°C | 35.2°C | 24.8°C | 413 mm | 81% | 2.5 m/s | 5.6 |
| 1986 | 34.3°C | 30.3°C | 26.3°C | 36.8°C | 25.1°C | 117 mm | 71% | 2.1 m/s | 6.8 |
| 1985 | 33.2°C | 29.6°C | 25.9°C | 37.5°C | 25.0°C | 124 mm | 74% | 1.9 m/s | 6.3 |
| 1984 | 31.7°C | 28.8°C | 25.8°C | 36.8°C | 24.4°C | 181 mm | 79% | 2.5 m/s | 5.2 |
| 1983 | 32.2°C | 28.9°C | 25.6°C | 34.9°C | 24.1°C | 131 mm | 77% | 1.8 m/s | — |
| 1982 | 33.1°C | 29.4°C | 25.8°C | 36.9°C | 24.2°C | 152 mm | 73% | 1.8 m/s | — |
| 1981 | 31.2°C | 28.4°C | 25.6°C | 33.4°C | 24.7°C | 265 mm | 82% | 2.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 32.3°C with lows near 26.1°C (mean 29.2°C), based on 45 years of NASA POWER data.
December averages 279 mm of rainfall in McMinns Lagoon, a relatively wet time of year. The wettest on record was 560 mm in 2003.
The hottest December reached 40.3°C in 2006. The coldest dipped to 22.3°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.4°C. Daytime highs moved from 32.3°C to 32.3°C and overnight lows from 25.7°C to 26.5°C over the same span.
December is one of the warmer months of the year in McMinns Lagoon and a relatively wet time of year, so plan for around 32.3°C daytime highs and 26.1°C at night.
Not quite — December is the 9th coolest month in McMinns Lagoon, averaging 29.2°C.
For December in McMinns Lagoon, pack light, breathable clothing and sun protection, with typical highs of 32.3°C and lows of 26.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 79% — quite humid.
Average wind speed in December is 2.1 m/s. The windiest December on record averaged 3.2 m/s (2000).
The wettest December on record was 2003 with 560 mm. On average, December sees 279 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 McMinns Lagoon 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.
