December is one of the warmer months of the year in Yeppoon, with average highs near 30.7°C and lows around 23.5°C (mean 27.1°C). It is a relatively wet time of year, averaging 104 mm of rainfall and 68% relative humidity across the period.
December is one of the warmer months of the year in Yeppoon. Across 45 years of records, the warmest December in Yeppoon was 2005 — when the month averaged 29.3°C — while the coldest was 2000 at 25.1°C. Typical December days reach 30.7°C with nights near 23.5°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Yeppoon, averaging 104 mm of rainfall. The wettest December on record was 2010 with 441 mm, while the driest was 2013 at 16 mm.
Relative humidity in Yeppoon during December averages 68%. The most humid December was 2010 at 85%, and the least humid was 2002 at 61%.
December receives about 7 kWh/m²/day of solar energy in Yeppoon. The sunniest December was 2013 at 8.2 kWh/m²/day, and the cloudiest was 2010 at 5.1.
Average wind speed in Yeppoon during December is 4.4 m/s. The windiest December was 2018 at 5.8 m/s, while the calmest was 1981 at 3.7 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 | 27.2°C | 27.0°C | 27.4°C | +0.4°C |
| Avg High | 30.8°C | 30.5°C | 30.8°C | 30.5°C | 30.9°C | +0.1°C |
| Avg Low | 23.2°C | 23.3°C | 23.6°C | 23.6°C | 23.9°C | +0.7°C |
| Avg Rain | 94 mm | 130 mm | 99 mm | 104 mm | 82 mm | -12 mm |
December temperatures in Yeppoon have stayed relatively stable across the record.
December has ranged from a record low of 17.6°C (2022) to a record high of 39.1°C (2001).
Rainfall in December is a relatively wet time of year, averaging 104 mm, with a wettest year of 441 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 Yeppoon
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Yeppoon. That said, December — with days averaging 30.7°C and nights around 23.5°C (mean 27.1°C) and higher rainfall (104 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 | 27.6°C | 24.2°C | 34.5°C | 21.6°C | 100 mm | 65% | 4.3 m/s | — |
| 2024 | 31.5°C | 28.0°C | 24.5°C | 38.0°C | 21.8°C | 76 mm | 69% | 4 m/s | 6.9 |
| 2023 | 31.7°C | 28.2°C | 24.8°C | 35.2°C | 22.5°C | 120 mm | 70% | 4.5 m/s | 6.9 |
| 2022 | 30.0°C | 26.2°C | 22.4°C | 35.6°C | 17.6°C | 39 mm | 67% | 4.7 m/s | 7.1 |
| 2021 | 30.1°C | 26.9°C | 23.7°C | 32.5°C | 22.4°C | 60 mm | 73% | 4 m/s | 7 |
| 2020 | 31.1°C | 27.6°C | 24.0°C | 34.3°C | 21.0°C | 98 mm | 68% | 4.6 m/s | 6.7 |
| 2019 | 32.3°C | 28.2°C | 24.1°C | 38.4°C | 22.7°C | 24 mm | 62% | 4.7 m/s | 7.8 |
| 2018 | 30.2°C | 27.1°C | 24.1°C | 37.5°C | 22.4°C | 112 mm | 71% | 5.8 m/s | 6.3 |
| 2017 | 31.0°C | 27.2°C | 23.4°C | 34.3°C | 19.6°C | 23 mm | 66% | 4.1 m/s | 7.7 |
| 2016 | 31.0°C | 27.4°C | 23.8°C | 35.6°C | 22.0°C | 42 mm | 67% | 4.6 m/s | 7.1 |
| 2015 | 30.4°C | 27.0°C | 23.6°C | 33.1°C | 21.9°C | 28 mm | 65% | 4.9 m/s | 7.3 |
| 2014 | 30.3°C | 26.9°C | 23.6°C | 33.4°C | 20.5°C | 171 mm | 72% | 3.8 m/s | 7 |
| 2013 | 30.6°C | 26.7°C | 22.9°C | 36.6°C | 20.9°C | 16 mm | 62% | 4.5 m/s | 8.2 |
| 2012 | 31.2°C | 27.3°C | 23.4°C | 37.2°C | 21.5°C | 36 mm | 63% | 4.8 m/s | 7.3 |
| 2011 | 29.6°C | 26.3°C | 23.0°C | 34.6°C | 21.0°C | 148 mm | 71% | 4.9 m/s | 6 |
| 2010 🌧️ | 28.1°C | 25.9°C | 23.7°C | 30.8°C | 21.2°C | 441 mm | 85% | 4.1 m/s | 5.1 |
| 2009 | 30.5°C | 27.2°C | 23.9°C | 35.2°C | 21.3°C | 144 mm | 69% | 4.3 m/s | 6.9 |
| 2008 | 31.6°C | 27.7°C | 23.8°C | 36.0°C | 21.9°C | 78 mm | 67% | 3.8 m/s | 7.5 |
| 2007 | 29.8°C | 26.4°C | 23.0°C | 33.0°C | 19.9°C | 109 mm | 71% | 4.5 m/s | 6.1 |
| 2006 | 29.0°C | 25.8°C | 22.5°C | 33.2°C | 20.9°C | 52 mm | 67% | 5.3 m/s | 6.8 |
| 2005 🔥 | 33.6°C | 29.3°C | 25.1°C | 37.2°C | 22.1°C | 64 mm | 63% | 3.9 m/s | 7.9 |
| 2004 | 31.2°C | 27.4°C | 23.7°C | 37.8°C | 20.4°C | 94 mm | 67% | 4.1 m/s | 7 |
| 2003 | 30.1°C | 26.8°C | 23.6°C | 33.2°C | 21.1°C | 171 mm | 72% | 4.2 m/s | 6.7 |
| 2002 | 31.3°C | 27.4°C | 23.6°C | 37.0°C | 20.9°C | 48 mm | 61% | 4.8 m/s | 7.5 |
| 2001 | 32.6°C | 28.6°C | 24.6°C | 39.1°C | 21.9°C | 130 mm | 68% | 4.2 m/s | 7.3 |
| 2000 ❄️ | 28.2°C | 25.1°C | 22.0°C | 30.9°C | 19.5°C | 103 mm | 73% | 4 m/s | 6.8 |
| 1999 | 28.8°C | 25.3°C | 21.8°C | 33.6°C | 19.4°C | 130 mm | 69% | 5.2 m/s | 6.7 |
| 1998 | 30.4°C | 26.9°C | 23.4°C | 35.8°C | 20.1°C | 62 mm | 71% | 4.5 m/s | 7 |
| 1997 | 31.1°C | 27.9°C | 24.7°C | 36.2°C | 23.1°C | 119 mm | 71% | 3.9 m/s | 6.2 |
| 1996 | 30.9°C | 27.3°C | 23.7°C | 36.3°C | 21.9°C | 91 mm | 69% | 4.6 m/s | 6.9 |
| 1995 | 31.4°C | 27.3°C | 23.3°C | 37.6°C | 19.2°C | 104 mm | 67% | 4.4 m/s | 7.3 |
| 1994 | 30.1°C | 26.3°C | 22.5°C | 34.5°C | 20.7°C | 66 mm | 64% | 4.7 m/s | 7.4 |
| 1993 | 29.9°C | 26.3°C | 22.7°C | 35.9°C | 20.0°C | 74 mm | 67% | 4.5 m/s | 7.1 |
| 1992 | 30.6°C | 26.9°C | 23.3°C | 35.5°C | 20.0°C | 54 mm | 64% | 4.7 m/s | 6.9 |
| 1991 | 30.8°C | 27.3°C | 23.8°C | 36.3°C | 21.3°C | 184 mm | 71% | 4.1 m/s | 7.2 |
| 1990 | 30.5°C | 27.3°C | 24.1°C | 35.2°C | 21.8°C | 414 mm | 70% | 4.9 m/s | 6.5 |
| 1989 | 30.0°C | 26.1°C | 22.3°C | 37.8°C | 20.3°C | 33 mm | 66% | 4.3 m/s | 7.6 |
| 1988 | 28.3°C | 25.6°C | 22.9°C | 31.6°C | 20.5°C | 254 mm | 78% | 5.1 m/s | 6.6 |
| 1987 | 30.3°C | 26.5°C | 22.8°C | 35.0°C | 19.3°C | 74 mm | 67% | 4.1 m/s | 7.5 |
| 1986 | 31.3°C | 27.3°C | 23.3°C | 35.0°C | 20.3°C | 75 mm | 66% | 4.1 m/s | 7.4 |
| 1985 | 32.6°C | 28.5°C | 24.3°C | 36.1°C | 22.5°C | 81 mm | 68% | 4 m/s | 7.6 |
| 1984 | 31.7°C | 27.9°C | 24.1°C | 36.0°C | 21.2°C | 130 mm | 72% | 4.1 m/s | 7 |
| 1983 | 29.4°C | 25.7°C | 22.0°C | 32.4°C | 19.6°C | 48 mm | 65% | 4.8 m/s | — |
| 1982 | 30.7°C | 26.7°C | 22.7°C | 35.2°C | 19.7°C | 94 mm | 68% | 4.2 m/s | — |
| 1981 | 32.5°C | 28.5°C | 24.4°C | 39.0°C | 22.8°C | 61 mm | 70% | 3.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30.7°C with lows near 23.5°C (mean 27.1°C), based on 45 years of NASA POWER data.
December averages 104 mm of rainfall in Yeppoon, a relatively wet time of year. The wettest on record was 441 mm in 2010.
The hottest December reached 39.1°C in 2001. The coldest dipped to 17.6°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 23.5°C to 23.9°C while daytime highs eased from 31.4°C to 30.9°C, narrowing the gap between day and night.
December is one of the warmer months of the year in Yeppoon and a relatively wet time of year, so plan for around 30.7°C daytime highs and 23.5°C at night.
Not quite — December is the 10th coolest month in Yeppoon, averaging 27.1°C.
For December in Yeppoon, pack light, breathable clothing and sun protection, with typical highs of 30.7°C and lows of 23.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 68% — moderately humid.
Average wind speed in December is 4.4 m/s. The windiest December on record averaged 5.8 m/s (2018).
The wettest December on record was 2010 with 441 mm. On average, December sees 104 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 Yeppoon 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.
