December is one of the warmer months of the year in Proserpine, with average highs near 30°C and lows around 24.3°C (mean 27.2°C). It is a relatively wet time of year, averaging 130 mm of rainfall and 73% relative humidity across the period.
December is one of the warmer months of the year in Proserpine. Across 45 years of records, the warmest December in Proserpine was 2005 — when the month averaged 29.1°C — while the coldest was 2000 at 25.4°C. Typical December days reach 30°C with nights near 24.3°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Proserpine, averaging 130 mm of rainfall. The wettest December on record was 1990 with 714 mm, while the driest was 2005 at 12 mm.
Relative humidity in Proserpine during December averages 73%. The most humid December was 2010 at 88%, and the least humid was 2005 at 66%.
December receives about 6.9 kWh/m²/day of solar energy in Proserpine. The sunniest December was 2005 at 7.9 kWh/m²/day, and the cloudiest was 2010 at 5.2.
Average wind speed in Proserpine during December is 2.7 m/s. The windiest December was 2018 at 3.4 m/s, while the calmest were 1981 and 1985 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.0°C | 26.9°C | 27.4°C | 27.1°C | 27.4°C | +0.4°C |
| Avg High | 30.0°C | 29.7°C | 30.3°C | 29.9°C | 30.2°C | +0.2°C |
| Avg Low | 23.9°C | 24.1°C | 24.5°C | 24.4°C | 24.7°C | +0.8°C |
| Avg Rain | 85 mm | 183 mm | 93 mm | 146 mm | 144 mm | +59 mm |
December temperatures in Proserpine have stayed relatively stable across the record.
December has ranged from a record low of 19.9°C (2022) to a record high of 37.9°C (1995).
Rainfall in December is a relatively wet time of year, averaging 130 mm, with a wettest year of 714 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 Proserpine
If your dates are flexible, the more temperate months of September and August tend to be the most comfortable for visiting Proserpine. That said, December — with days averaging 30°C and nights around 24.3°C (mean 27.2°C) and higher rainfall (130 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 | 30.1°C | 27.5°C | 25.0°C | 32.9°C | 23.5°C | 99 mm | 70% | 2.8 m/s | — |
| 2024 | 29.7°C | 27.1°C | 24.5°C | 32.9°C | 22.2°C | 391 mm | 80% | 2.3 m/s | 6.5 |
| 2023 | 30.9°C | 28.1°C | 25.4°C | 33.5°C | 24.5°C | 49 mm | 74% | 2.9 m/s | 5.9 |
| 2022 | 29.8°C | 26.8°C | 23.9°C | 32.8°C | 19.9°C | 83 mm | 72% | 3 m/s | 6.8 |
| 2021 | 30.2°C | 27.4°C | 24.6°C | 32.1°C | 23.8°C | 122 mm | 75% | 2.6 m/s | 6.7 |
| 2020 | 30.4°C | 27.6°C | 24.8°C | 33.4°C | 22.7°C | 122 mm | 75% | 2.6 m/s | 6.7 |
| 2019 | 31.1°C | 27.8°C | 24.6°C | 35.2°C | 22.9°C | 138 mm | 70% | 2.8 m/s | 7.6 |
| 2018 | 28.9°C | 26.9°C | 25.0°C | 34.4°C | 23.9°C | 336 mm | 83% | 3.4 m/s | 5.6 |
| 2017 | 30.0°C | 27.0°C | 24.0°C | 32.4°C | 23.0°C | 36 mm | 72% | 2.6 m/s | 7.8 |
| 2016 | 30.2°C | 27.3°C | 24.3°C | 33.3°C | 22.7°C | 69 mm | 73% | 2.6 m/s | 7.2 |
| 2015 | 29.9°C | 27.3°C | 24.6°C | 32.1°C | 23.4°C | 62 mm | 69% | 2.9 m/s | 7 |
| 2014 | 30.6°C | 27.6°C | 24.6°C | 32.8°C | 23.4°C | 96 mm | 72% | 2.4 m/s | 7.2 |
| 2013 | 29.6°C | 26.6°C | 23.6°C | 33.4°C | 21.9°C | 27 mm | 69% | 2.9 m/s | 7.8 |
| 2012 | 30.4°C | 27.3°C | 24.2°C | 35.9°C | 22.5°C | 84 mm | 69% | 2.9 m/s | 7.3 |
| 2011 | 30.1°C | 27.2°C | 24.4°C | 34.4°C | 21.9°C | 129 mm | 75% | 3 m/s | 6.4 |
| 2010 | 28.1°C | 26.4°C | 24.6°C | 30.1°C | 22.9°C | 477 mm | 88% | 2.4 m/s | 5.2 |
| 2009 | 30.2°C | 27.4°C | 24.7°C | 33.4°C | 22.5°C | 56 mm | 70% | 2.7 m/s | 7.5 |
| 2008 | 31.2°C | 28.1°C | 25.0°C | 34.3°C | 23.2°C | 96 mm | 71% | 2.4 m/s | 7.4 |
| 2007 | 30.0°C | 27.0°C | 24.0°C | 32.1°C | 21.4°C | 141 mm | 74% | 2.6 m/s | 6.8 |
| 2006 | 28.7°C | 26.1°C | 23.5°C | 30.9°C | 21.9°C | 74 mm | 72% | 3.2 m/s | 6.8 |
| 2005 🔥 | 32.5°C | 29.1°C | 25.7°C | 37.2°C | 24.6°C | 12 mm | 66% | 2.5 m/s | 7.9 |
| 2004 | 30.0°C | 27.2°C | 24.4°C | 34.3°C | 22.2°C | 112 mm | 74% | 2.5 m/s | 6.7 |
| 2003 | 30.5°C | 27.6°C | 24.6°C | 33.7°C | 22.6°C | 127 mm | 73% | 2.7 m/s | 7.1 |
| 2002 | 30.5°C | 27.6°C | 24.7°C | 34.6°C | 23.2°C | 23 mm | 67% | 3 m/s | 7.4 |
| 2001 | 31.9°C | 28.5°C | 25.1°C | 35.8°C | 22.4°C | 81 mm | 72% | 2.5 m/s | 7.4 |
| 2000 ❄️ | 27.8°C | 25.4°C | 23.1°C | 29.9°C | 21.4°C | 210 mm | 77% | 2.8 m/s | 6.6 |
| 1999 | 28.1°C | 25.5°C | 22.9°C | 32.0°C | 20.7°C | 172 mm | 76% | 3.2 m/s | 6.7 |
| 1998 | 29.4°C | 26.8°C | 24.2°C | 32.3°C | 21.5°C | 145 mm | 77% | 2.9 m/s | 6.9 |
| 1997 | 29.7°C | 27.3°C | 24.9°C | 33.0°C | 23.8°C | 199 mm | 78% | 2.3 m/s | 6.1 |
| 1996 | 30.4°C | 27.5°C | 24.6°C | 33.3°C | 23.2°C | 90 mm | 72% | 2.9 m/s | 7.2 |
| 1995 | 31.1°C | 27.8°C | 24.6°C | 37.9°C | 21.9°C | 121 mm | 72% | 2.6 m/s | 7.2 |
| 1994 | 29.1°C | 26.2°C | 23.4°C | 32.2°C | 22.2°C | 76 mm | 70% | 2.9 m/s | 7.2 |
| 1993 | 29.4°C | 26.6°C | 23.8°C | 34.9°C | 22.1°C | 91 mm | 72% | 3 m/s | 6.9 |
| 1992 | 29.6°C | 26.7°C | 23.9°C | 34.0°C | 21.8°C | 110 mm | 73% | 2.8 m/s | 6.7 |
| 1991 | 31.1°C | 27.8°C | 24.5°C | 34.0°C | 23.4°C | 115 mm | 74% | 2.3 m/s | 7.3 |
| 1990 🌧️ | 29.3°C | 26.9°C | 24.5°C | 32.4°C | 22.8°C | 714 mm | 77% | 3.2 m/s | 5.9 |
| 1989 | 29.1°C | 26.0°C | 22.8°C | 35.3°C | 21.1°C | 52 mm | 73% | 2.7 m/s | 7.6 |
| 1988 | 28.6°C | 26.2°C | 23.9°C | 31.2°C | 21.2°C | 243 mm | 80% | 2.9 m/s | 6 |
| 1987 | 29.2°C | 26.3°C | 23.4°C | 32.6°C | 21.7°C | 79 mm | 73% | 2.6 m/s | 7.4 |
| 1986 | 30.5°C | 27.4°C | 24.2°C | 33.1°C | 22.8°C | 57 mm | 70% | 2.6 m/s | 7.2 |
| 1985 | 31.2°C | 27.9°C | 24.7°C | 34.1°C | 22.9°C | 72 mm | 74% | 2.2 m/s | 7.8 |
| 1984 | 31.2°C | 27.9°C | 24.7°C | 36.7°C | 20.9°C | 105 mm | 75% | 2.5 m/s | 6.9 |
| 1983 | 28.8°C | 26.0°C | 23.3°C | 34.3°C | 22.2°C | 46 mm | 71% | 3.3 m/s | — |
| 1982 | 30.1°C | 26.8°C | 23.4°C | 35.0°C | 21.2°C | 57 mm | 71% | 2.5 m/s | — |
| 1981 | 31.3°C | 28.1°C | 24.8°C | 35.9°C | 23.1°C | 56 mm | 75% | 2.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30°C with lows near 24.3°C (mean 27.2°C), based on 45 years of NASA POWER data.
December averages 130 mm of rainfall in Proserpine, a relatively wet time of year. The wettest on record was 714 mm in 1990.
The hottest December reached 37.9°C in 1995. The coldest dipped to 19.9°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 24.2°C to 24.7°C while daytime highs eased from 30.5°C to 30.1°C, narrowing the gap between day and night.
December is one of the warmer months of the year in Proserpine and a relatively wet time of year, so plan for around 30°C daytime highs and 24.3°C at night.
Not quite — December is the 10th coolest month in Proserpine, averaging 27.2°C.
For December in Proserpine, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 24.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 73% — moderately humid.
Average wind speed in December is 2.7 m/s. The windiest December on record averaged 3.4 m/s (2018).
The wettest December on record was 1990 with 714 mm. On average, December sees 130 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 Proserpine 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.
