December is one of the warmer months of the year in Tweed Heads, with average highs near 25°C and lows around 23°C (mean 24°C). It is a relatively wet time of year, averaging 131 mm of rainfall and 77% relative humidity across the period.
December is one of the warmer months of the year in Tweed Heads. Across 45 years of records, the warmest December in Tweed Heads was 2005 — when the month averaged 25.7°C — while the coldest was 1999 at 22.4°C. Typical December days reach 25°C with nights near 23°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Tweed Heads, averaging 131 mm of rainfall. The wettest December on record was 2010 with 426 mm, while the driest was 2013 at 32 mm.
Relative humidity in Tweed Heads during December averages 77%. The most humid December was 2010 at 82%, and the least humid was 2002 at 73%.
December receives about 6.6 kWh/m²/day of solar energy in Tweed Heads. The sunniest December was 2005 at 7.7 kWh/m²/day, and the cloudiest was 2010 at 4.9.
Average wind speed in Tweed Heads during December is 5.6 m/s. The windiest Decembers were 1988, 2011 and 2022 at 6.4 m/s, while the calmest was 2023 at 4.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.7°C | 23.7°C | 24.2°C | 24.1°C | 24.4°C | +0.7°C |
| Avg High | 24.7°C | 24.8°C | 25.2°C | 25.0°C | 25.3°C | +0.6°C |
| Avg Low | 22.6°C | 22.7°C | 23.3°C | 23.1°C | 23.5°C | +0.9°C |
| Avg Rain | 129 mm | 135 mm | 125 mm | 124 mm | 149 mm | +20 mm |
December temperatures in Tweed Heads have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 17.7°C (1986) to a record high of 29.9°C (2012).
Rainfall in December is a relatively wet time of year, averaging 131 mm, with a wettest year of 426 mm.
A quieter season to visit Tweed Heads
If your dates are flexible, the more temperate months of October and November tend to be the most comfortable for visiting Tweed Heads. That said, December — with days averaging 25°C and nights around 23°C (mean 24°C) and higher rainfall (131 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 | 25.5°C | 24.5°C | 23.5°C | 28.6°C | 22.1°C | 83 mm | 75% | 5.6 m/s | — |
| 2024 | 25.8°C | 25.0°C | 24.1°C | 28.0°C | 21.8°C | 135 mm | 81% | 5.1 m/s | 6.8 |
| 2023 | 26.2°C | 25.3°C | 24.5°C | 29.7°C | 23.0°C | 114 mm | 81% | 4.7 m/s | 7.2 |
| 2022 | 23.8°C | 22.8°C | 21.8°C | 27.3°C | 19.3°C | 89 mm | 77% | 6.4 m/s | 6.4 |
| 2021 | 25.1°C | 24.3°C | 23.4°C | 28.0°C | 22.4°C | 109 mm | 78% | 5 m/s | 6.4 |
| 2020 | 25.4°C | 24.6°C | 23.8°C | 27.4°C | 21.6°C | 362 mm | 80% | 6.1 m/s | 5.8 |
| 2019 | 25.4°C | 24.4°C | 23.4°C | 28.2°C | 22.0°C | 67 mm | 75% | 5.1 m/s | 7.3 |
| 2018 | 24.9°C | 24.1°C | 23.2°C | 27.4°C | 21.8°C | 54 mm | 78% | 5.8 m/s | 6.9 |
| 2017 | 25.5°C | 24.5°C | 23.5°C | 27.5°C | 22.2°C | 92 mm | 79% | 4.9 m/s | 7 |
| 2016 | 25.0°C | 24.1°C | 23.3°C | 27.4°C | 22.0°C | 33 mm | 78% | 5.8 m/s | 6.8 |
| 2015 | 24.9°C | 24.0°C | 23.1°C | 26.6°C | 21.7°C | 107 mm | 74% | 5.8 m/s | 6.3 |
| 2014 | 25.4°C | 24.5°C | 23.6°C | 28.8°C | 21.9°C | 195 mm | 79% | 5.3 m/s | 6.1 |
| 2013 | 24.4°C | 23.4°C | 22.4°C | 27.8°C | 20.0°C | 32 mm | 74% | 5.2 m/s | 7.1 |
| 2012 | 25.4°C | 24.6°C | 23.7°C | 29.9°C | 22.5°C | 65 mm | 74% | 5.5 m/s | 6.6 |
| 2011 | 23.8°C | 22.9°C | 22.0°C | 27.5°C | 20.5°C | 171 mm | 75% | 6.4 m/s | 5.5 |
| 2010 🌧️ | 24.9°C | 24.0°C | 23.1°C | 27.4°C | 20.2°C | 426 mm | 82% | 6 m/s | 4.9 |
| 2009 | 25.4°C | 24.7°C | 24.0°C | 26.4°C | 21.5°C | 123 mm | 78% | 5.6 m/s | 6.5 |
| 2008 | 25.6°C | 24.4°C | 23.3°C | 29.2°C | 21.6°C | 90 mm | 76% | 5.7 m/s | 6.7 |
| 2007 | 24.9°C | 24.1°C | 23.4°C | 26.4°C | 22.4°C | 124 mm | 77% | 5.8 m/s | 5.6 |
| 2006 | 23.4°C | 22.6°C | 21.8°C | 25.6°C | 20.7°C | 86 mm | 74% | 5.8 m/s | 6.3 |
| 2005 🔥 | 26.8°C | 25.7°C | 24.5°C | 28.8°C | 22.7°C | 181 mm | 77% | 5.6 m/s | 7.7 |
| 2004 | 24.9°C | 23.9°C | 22.9°C | 28.5°C | 20.7°C | 206 mm | 79% | 6.1 m/s | 6 |
| 2003 | 25.1°C | 24.1°C | 23.2°C | 27.5°C | 20.4°C | 123 mm | 78% | 5.9 m/s | 6.2 |
| 2002 | 25.1°C | 24.0°C | 22.9°C | 28.2°C | 21.1°C | 148 mm | 73% | 5.7 m/s | 7.2 |
| 2001 | 25.8°C | 24.8°C | 23.7°C | 29.8°C | 22.1°C | 70 mm | 77% | 5.8 m/s | 6.6 |
| 2000 | 24.6°C | 23.8°C | 22.9°C | 26.9°C | 21.5°C | 98 mm | 78% | 5.5 m/s | 6.6 |
| 1999 ❄️ | 23.4°C | 22.4°C | 21.3°C | 26.7°C | 20.0°C | 154 mm | 76% | 5.4 m/s | 6.7 |
| 1998 | 25.1°C | 24.1°C | 23.1°C | 28.9°C | 20.5°C | 96 mm | 79% | 5.1 m/s | 6.6 |
| 1997 | 26.0°C | 25.1°C | 24.2°C | 28.0°C | 22.3°C | 83 mm | 81% | 5.7 m/s | 6.8 |
| 1996 | 24.6°C | 23.5°C | 22.5°C | 27.6°C | 20.7°C | 142 mm | 78% | 5.4 m/s | 6.5 |
| 1995 | 25.0°C | 23.8°C | 22.6°C | 29.0°C | 20.3°C | 180 mm | 74% | 6 m/s | 7.1 |
| 1994 | 24.4°C | 23.5°C | 22.6°C | 28.7°C | 20.3°C | 96 mm | 75% | 5.9 m/s | 7 |
| 1993 | 24.3°C | 23.2°C | 22.1°C | 28.0°C | 20.6°C | 123 mm | 74% | 5.6 m/s | 6.9 |
| 1992 | 24.1°C | 23.2°C | 22.3°C | 26.8°C | 18.3°C | 112 mm | 77% | 6.2 m/s | 6.7 |
| 1991 | 24.6°C | 23.6°C | 22.5°C | 28.0°C | 20.6°C | 275 mm | 78% | 5.5 m/s | 6.8 |
| 1990 | 26.0°C | 24.9°C | 23.8°C | 29.0°C | 21.2°C | 87 mm | 79% | 5.6 m/s | 6.9 |
| 1989 | 24.1°C | 23.0°C | 22.0°C | 27.7°C | 20.8°C | 94 mm | 77% | 5.8 m/s | 6.6 |
| 1988 | 24.8°C | 23.9°C | 23.1°C | 26.5°C | 21.6°C | 257 mm | 81% | 6.4 m/s | 6 |
| 1987 | 24.9°C | 23.9°C | 22.9°C | 28.7°C | 20.8°C | 97 mm | 76% | 5.4 m/s | 6.7 |
| 1986 | 24.5°C | 23.4°C | 22.2°C | 27.2°C | 17.7°C | 78 mm | 76% | 5.5 m/s | 6.9 |
| 1985 | 25.3°C | 24.0°C | 22.8°C | 28.9°C | 19.3°C | 67 mm | 78% | 5.4 m/s | 6.9 |
| 1984 | 24.7°C | 23.6°C | 22.5°C | 27.6°C | 19.7°C | 109 mm | 80% | 5.5 m/s | 6.5 |
| 1983 | 23.7°C | 22.7°C | 21.7°C | 27.1°C | 19.0°C | 200 mm | 74% | 5.3 m/s | — |
| 1982 | 24.6°C | 23.6°C | 22.7°C | 26.4°C | 21.3°C | 145 mm | 77% | 5.3 m/s | — |
| 1981 | 26.1°C | 25.0°C | 23.9°C | 29.4°C | 22.6°C | 117 mm | 79% | 5.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 25°C with lows near 23°C (mean 24°C), based on 45 years of NASA POWER data.
December averages 131 mm of rainfall in Tweed Heads, a relatively wet time of year. The wettest on record was 426 mm in 2010.
The hottest December reached 29.9°C in 2012. The coldest dipped to 17.7°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C. Daytime highs moved from 24.9°C to 25.3°C and overnight lows from 22.7°C to 23.5°C over the same span.
December is one of the warmer months of the year in Tweed Heads and a relatively wet time of year, so plan for around 25°C daytime highs and 23°C at night.
Not quite — December is the 9th coolest month in Tweed Heads, averaging 24°C.
For December in Tweed Heads, pack light layers you can adjust through the day, with typical highs of 25°C and lows of 23°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 77% — quite humid.
Average wind speed in December is 5.6 m/s. The windiest December on record averaged 6.4 m/s (1988).
The wettest December on record was 2010 with 426 mm. On average, December sees 131 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 Tweed Heads 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.
