December is one of the warmer months of the year in Ballina, with average highs near 25.1°C and lows around 22.6°C (mean 23.9°C). It is a relatively wet time of year, averaging 129 mm of rainfall and 76% relative humidity across the period.
December is one of the warmer months of the year in Ballina. Across 45 years of records, the warmest December in Ballina was 2005 — when the month averaged 25.4°C — while the coldest was 1999 at 22.3°C. Typical December days reach 25.1°C with nights near 22.6°C. The long-term trend is warming, about 0.2°C per decade.
December is a relatively wet time of year in Ballina, averaging 129 mm of rainfall. The wettest December on record was 2010 with 330 mm, while the driest was 2013 at 29 mm.
Relative humidity in Ballina during December averages 76%. The most humid December was 1988 at 80%, and the least humid was 2002 at 71%.
December receives about 6.6 kWh/m²/day of solar energy in Ballina. The sunniest December was 2005 at 7.7 kWh/m²/day, and the cloudiest was 2010 at 4.9.
Average wind speed in Ballina during December is 5.7 m/s. The windiest Decembers were 1990, 2004 and 2020, among others at 6.3 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 | 23.6°C | 23.6°C | 24.1°C | 23.9°C | 24.3°C | +0.7°C |
| Avg High | 24.9°C | 24.9°C | 25.4°C | 25.1°C | 25.4°C | +0.5°C |
| Avg Low | 22.1°C | 22.2°C | 22.8°C | 22.7°C | 23.1°C | +1°C |
| Avg Rain | 136 mm | 137 mm | 112 mm | 116 mm | 153 mm | +18 mm |
December temperatures in Ballina have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 17.7°C (1992) to a record high of 32.6°C (1981).
Rainfall in December is a relatively wet time of year, averaging 129 mm, with a wettest year of 330 mm.
A good time to visit Ballina
December is a good time to visit Ballina, with days averaging 25.1°C and nights around 22.6°C (mean 23.9°C, warmer than Ballina's yearly average) and higher rainfall. November and October are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.5°C | 24.2°C | 22.9°C | 29.0°C | 21.0°C | 112 mm | 74% | 5.8 m/s | — |
| 2024 | 26.1°C | 25.0°C | 23.8°C | 29.2°C | 22.3°C | 99 mm | 80% | 5.2 m/s | 6.8 |
| 2023 | 26.4°C | 25.1°C | 23.8°C | 30.8°C | 22.2°C | 140 mm | 80% | 4.7 m/s | 7.2 |
| 2022 | 23.6°C | 22.5°C | 21.4°C | 28.1°C | 19.0°C | 73 mm | 75% | 5.9 m/s | 6.4 |
| 2021 | 25.1°C | 24.1°C | 23.1°C | 27.9°C | 22.1°C | 169 mm | 78% | 5.1 m/s | 6.4 |
| 2020 | 25.6°C | 24.6°C | 23.5°C | 28.5°C | 21.5°C | 326 mm | 80% | 6.3 m/s | 5.8 |
| 2019 | 25.6°C | 24.3°C | 22.9°C | 28.2°C | 21.5°C | 73 mm | 74% | 5.3 m/s | 7.3 |
| 2018 | 25.2°C | 23.9°C | 22.7°C | 29.3°C | 21.0°C | 46 mm | 77% | 5.8 m/s | 6.9 |
| 2017 | 25.7°C | 24.4°C | 23.0°C | 28.8°C | 20.9°C | 92 mm | 79% | 5.4 m/s | 7 |
| 2016 | 25.7°C | 24.3°C | 22.9°C | 29.3°C | 21.4°C | 52 mm | 76% | 6.2 m/s | 6.8 |
| 2015 | 24.9°C | 23.8°C | 22.6°C | 28.5°C | 21.1°C | 103 mm | 74% | 5.8 m/s | 6.3 |
| 2014 | 25.7°C | 24.4°C | 23.2°C | 30.5°C | 21.3°C | 193 mm | 78% | 5.7 m/s | 6.1 |
| 2013 | 24.5°C | 23.2°C | 21.8°C | 28.8°C | 18.3°C | 29 mm | 74% | 5.2 m/s | 7.1 |
| 2012 | 25.6°C | 24.5°C | 23.3°C | 30.3°C | 21.7°C | 86 mm | 75% | 5.4 m/s | 6.6 |
| 2011 | 23.4°C | 22.4°C | 21.5°C | 26.0°C | 19.6°C | 153 mm | 75% | 6 m/s | 5.5 |
| 2010 🌧️ | 25.0°C | 23.9°C | 22.8°C | 27.5°C | 19.0°C | 330 mm | 80% | 5.6 m/s | 4.9 |
| 2009 | 25.8°C | 24.7°C | 23.5°C | 28.2°C | 20.1°C | 136 mm | 77% | 5.9 m/s | 6.5 |
| 2008 | 25.8°C | 24.2°C | 22.7°C | 29.2°C | 20.9°C | 102 mm | 76% | 6 m/s | 6.7 |
| 2007 | 24.9°C | 23.9°C | 23.0°C | 26.8°C | 21.9°C | 116 mm | 76% | 5.7 m/s | 5.6 |
| 2006 | 23.8°C | 22.6°C | 21.4°C | 27.1°C | 20.2°C | 77 mm | 72% | 5.6 m/s | 6.3 |
| 2005 🔥 | 26.9°C | 25.4°C | 23.9°C | 29.5°C | 22.2°C | 136 mm | 76% | 5.7 m/s | 7.7 |
| 2004 | 24.8°C | 23.5°C | 22.2°C | 28.2°C | 20.0°C | 168 mm | 78% | 6.3 m/s | 6 |
| 2003 | 25.4°C | 24.1°C | 22.7°C | 29.0°C | 20.1°C | 104 mm | 76% | 6.1 m/s | 6.2 |
| 2002 | 25.4°C | 24.1°C | 22.7°C | 29.5°C | 20.3°C | 127 mm | 71% | 5.8 m/s | 7.2 |
| 2001 | 26.3°C | 24.8°C | 23.3°C | 30.7°C | 21.1°C | 63 mm | 75% | 6.2 m/s | 6.6 |
| 2000 | 25.2°C | 24.0°C | 22.8°C | 28.5°C | 21.0°C | 87 mm | 75% | 5.6 m/s | 6.6 |
| 1999 ❄️ | 23.4°C | 22.3°C | 21.1°C | 26.8°C | 19.9°C | 133 mm | 75% | 5.2 m/s | 6.7 |
| 1998 | 25.2°C | 24.0°C | 22.7°C | 30.2°C | 20.1°C | 93 mm | 78% | 5.1 m/s | 6.6 |
| 1997 | 26.5°C | 25.2°C | 24.0°C | 29.0°C | 21.8°C | 72 mm | 78% | 5.9 m/s | 6.8 |
| 1996 | 24.4°C | 23.1°C | 21.9°C | 27.6°C | 20.0°C | 132 mm | 77% | 5.1 m/s | 6.5 |
| 1995 | 24.8°C | 23.2°C | 21.7°C | 28.8°C | 18.9°C | 179 mm | 74% | 5.8 m/s | 7.1 |
| 1994 | 24.6°C | 23.3°C | 22.1°C | 29.7°C | 19.5°C | 144 mm | 75% | 6.1 m/s | 7 |
| 1993 | 24.7°C | 23.2°C | 21.7°C | 28.4°C | 19.5°C | 136 mm | 73% | 5.8 m/s | 6.9 |
| 1992 | 24.2°C | 23.0°C | 21.7°C | 27.8°C | 17.7°C | 135 mm | 77% | 6.1 m/s | 6.7 |
| 1991 | 24.5°C | 23.1°C | 21.8°C | 28.1°C | 20.0°C | 288 mm | 78% | 5.5 m/s | 6.8 |
| 1990 | 26.7°C | 25.2°C | 23.7°C | 31.0°C | 21.3°C | 57 mm | 77% | 6.3 m/s | 6.9 |
| 1989 | 24.1°C | 22.9°C | 21.6°C | 28.6°C | 20.4°C | 105 mm | 76% | 5.8 m/s | 6.6 |
| 1988 | 24.8°C | 23.7°C | 22.6°C | 27.3°C | 21.1°C | 233 mm | 80% | 6.3 m/s | 6 |
| 1987 | 25.2°C | 23.9°C | 22.6°C | 29.2°C | 20.1°C | 128 mm | 75% | 5.6 m/s | 6.7 |
| 1986 | 24.9°C | 23.4°C | 21.8°C | 29.0°C | 18.3°C | 71 mm | 74% | 5.4 m/s | 6.9 |
| 1985 | 25.5°C | 24.0°C | 22.4°C | 28.6°C | 18.5°C | 97 mm | 77% | 5.7 m/s | 6.9 |
| 1984 | 24.6°C | 23.2°C | 21.7°C | 30.4°C | 18.8°C | 131 mm | 77% | 5.3 m/s | 6.5 |
| 1983 | 23.9°C | 22.5°C | 21.2°C | 28.2°C | 18.6°C | 192 mm | 74% | 5.6 m/s | — |
| 1982 | 25.0°C | 23.6°C | 22.1°C | 27.8°C | 20.2°C | 159 mm | 76% | 5.6 m/s | — |
| 1981 | 26.3°C | 24.8°C | 23.3°C | 32.6°C | 21.6°C | 105 mm | 78% | 5.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 25.1°C with lows near 22.6°C (mean 23.9°C), based on 45 years of NASA POWER data.
December averages 129 mm of rainfall in Ballina, a relatively wet time of year. The wettest on record was 330 mm in 2010.
The hottest December reached 32.6°C in 1981. The coldest dipped to 17.7°C in 1992.
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 25.1°C to 25.3°C and overnight lows from 22.1°C to 23°C over the same span.
December is one of the warmer months of the year in Ballina and a relatively wet time of year, so plan for around 25.1°C daytime highs and 22.6°C at night.
Not quite — December is the 9th coolest month in Ballina, averaging 23.9°C.
For December in Ballina, pack light layers you can adjust through the day, with typical highs of 25.1°C and lows of 22.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 76% — quite humid.
Average wind speed in December is 5.7 m/s. The windiest December on record averaged 6.3 m/s (1988).
The wettest December on record was 2010 with 330 mm. On average, December sees 129 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 Ballina 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.
