December is one of the warmer months of the year in Port Macquarie, with average highs near 24.4°C and lows around 20.8°C (mean 22.6°C). It is about average for rainfall, averaging 119 mm of rainfall and 76% relative humidity across the period.
December is one of the warmer months of the year in Port Macquarie. Across 45 years of records, the warmest December in Port Macquarie was 1990 — when the month averaged 24.7°C — while the coldest was 2011 at 20.6°C. Typical December days reach 24.4°C with nights near 20.8°C. The long-term trend is warming, about 0.2°C per decade.
December is about average for rainfall in Port Macquarie, averaging 119 mm of rainfall. The wettest December on record was 2020 with 415 mm, while the driest was 2013 at 28 mm.
Relative humidity in Port Macquarie during December averages 76%. The most humid December was 1988 at 82%, and the least humid was 1986 at 70%.
December receives about 6.5 kWh/m²/day of solar energy in Port Macquarie. The sunniest December was 2005 at 7.9 kWh/m²/day, and the cloudiest was 2020 at 5.1.
Average wind speed in Port Macquarie during December is 4 m/s. The windiest December was 2018 at 4.7 m/s, while the calmest was 2023 at 3.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.3°C | 22.3°C | 22.9°C | 22.8°C | 22.8°C | +0.5°C |
| Avg High | 24.2°C | 24.1°C | 24.7°C | 24.6°C | 24.5°C | +0.3°C |
| Avg Low | 20.4°C | 20.6°C | 21.1°C | 21.1°C | 21.1°C | +0.7°C |
| Avg Rain | 114 mm | 127 mm | 89 mm | 113 mm | 169 mm | +55 mm |
December temperatures in Port Macquarie have risen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 16.1°C (1983) to a record high of 32.4°C (2005).
Rainfall in December is about average for rainfall, averaging 119 mm, with a wettest year of 415 mm.
One of the best times to visit Port Macquarie
December is one of the best times to visit Port Macquarie. Expect days averaging 24.4°C and nights around 20.8°C (mean 22.6°C) — warmer than Port Macquarie's yearly average — with higher rainfall (119 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.7°C | 22.7°C | 20.7°C | 29.8°C | 16.4°C | 93 mm | 75% | 4 m/s | — |
| 2024 | 25.9°C | 24.1°C | 22.2°C | 30.2°C | 19.9°C | 90 mm | 79% | 3.8 m/s | 7.2 |
| 2023 | 25.5°C | 23.6°C | 21.7°C | 28.9°C | 19.8°C | 118 mm | 81% | 3.5 m/s | 6.9 |
| 2022 | 22.6°C | 20.8°C | 19.0°C | 26.0°C | 17.0°C | 79 mm | 75% | 3.7 m/s | 6.6 |
| 2021 | 23.9°C | 22.5°C | 21.1°C | 28.8°C | 18.2°C | 219 mm | 80% | 3.6 m/s | 6.5 |
| 2020 🌧️ | 24.3°C | 22.9°C | 21.6°C | 28.4°C | 18.7°C | 415 mm | 82% | 4.1 m/s | 5.1 |
| 2019 | 25.1°C | 23.2°C | 21.2°C | 29.2°C | 18.1°C | 42 mm | 73% | 4 m/s | 7.1 |
| 2018 | 25.1°C | 23.3°C | 21.5°C | 29.2°C | 19.8°C | 64 mm | 77% | 4.7 m/s | 7.3 |
| 2017 | 25.2°C | 23.5°C | 21.8°C | 29.9°C | 18.8°C | 189 mm | 79% | 4.1 m/s | 6.4 |
| 2016 | 25.5°C | 23.5°C | 21.6°C | 29.6°C | 19.4°C | 81 mm | 77% | 4.3 m/s | 6.6 |
| 2015 | 24.2°C | 22.5°C | 20.8°C | 29.0°C | 18.6°C | 200 mm | 76% | 4.1 m/s | 6.5 |
| 2014 | 25.0°C | 23.2°C | 21.4°C | 28.4°C | 19.6°C | 185 mm | 79% | 4.3 m/s | 5.9 |
| 2013 | 24.1°C | 22.1°C | 20.1°C | 28.8°C | 16.6°C | 28 mm | 75% | 3.8 m/s | 7.3 |
| 2012 | 25.2°C | 23.4°C | 21.7°C | 29.7°C | 19.0°C | 90 mm | 76% | 4 m/s | 6.3 |
| 2011 ❄️ | 22.0°C | 20.6°C | 19.3°C | 25.1°C | 17.3°C | 119 mm | 76% | 4 m/s | 5.4 |
| 2010 | 24.3°C | 22.9°C | 21.5°C | 26.7°C | 17.7°C | 135 mm | 78% | 3.9 m/s | 5.6 |
| 2009 | 24.6°C | 23.0°C | 21.4°C | 28.2°C | 18.4°C | 169 mm | 81% | 3.9 m/s | 6.2 |
| 2008 | 24.9°C | 22.8°C | 20.8°C | 28.7°C | 18.9°C | 84 mm | 75% | 4.1 m/s | 6.3 |
| 2007 | 24.1°C | 22.7°C | 21.4°C | 26.4°C | 20.2°C | 140 mm | 77% | 4 m/s | 6 |
| 2006 | 23.7°C | 21.9°C | 20.2°C | 27.0°C | 18.8°C | 63 mm | 73% | 4.2 m/s | 6.2 |
| 2005 | 26.5°C | 24.3°C | 22.1°C | 32.4°C | 19.5°C | 54 mm | 74% | 3.8 m/s | 7.9 |
| 2004 | 23.4°C | 21.7°C | 20.0°C | 29.8°C | 16.5°C | 78 mm | 77% | 4 m/s | 6.3 |
| 2003 | 24.9°C | 23.1°C | 21.4°C | 31.0°C | 18.8°C | 66 mm | 77% | 4.5 m/s | 6.2 |
| 2002 | 24.5°C | 22.7°C | 20.9°C | 29.8°C | 18.3°C | 102 mm | 74% | 4 m/s | 6.5 |
| 2001 | 25.6°C | 23.5°C | 21.4°C | 31.6°C | 18.3°C | 40 mm | 73% | 4 m/s | 6.5 |
| 2000 | 25.2°C | 23.3°C | 21.4°C | 28.5°C | 18.7°C | 96 mm | 76% | 4 m/s | 6.5 |
| 1999 | 23.2°C | 21.5°C | 19.8°C | 27.1°C | 18.4°C | 87 mm | 75% | 4 m/s | 6.3 |
| 1998 | 24.6°C | 23.0°C | 21.4°C | 27.0°C | 18.3°C | 60 mm | 77% | 3.7 m/s | 6.9 |
| 1997 | 26.1°C | 24.3°C | 22.4°C | 30.8°C | 20.0°C | 61 mm | 76% | 4.2 m/s | 6.8 |
| 1996 | 22.8°C | 21.3°C | 19.7°C | 25.4°C | 17.1°C | 90 mm | 79% | 3.9 m/s | 6.4 |
| 1995 | 23.1°C | 21.2°C | 19.3°C | 27.1°C | 16.1°C | 115 mm | 76% | 4.1 m/s | 6.5 |
| 1994 | 24.1°C | 22.3°C | 20.5°C | 28.4°C | 16.9°C | 140 mm | 77% | 4.6 m/s | 6.6 |
| 1993 | 24.0°C | 22.1°C | 20.2°C | 27.7°C | 17.4°C | 178 mm | 74% | 4.2 m/s | 6.3 |
| 1992 | 23.1°C | 21.7°C | 20.3°C | 28.3°C | 17.1°C | 177 mm | 79% | 4.2 m/s | 6 |
| 1991 | 22.8°C | 21.3°C | 19.7°C | 26.5°C | 17.2°C | 317 mm | 79% | 3.8 m/s | 6.2 |
| 1990 🔥 | 27.0°C | 24.7°C | 22.4°C | 32.1°C | 19.6°C | 45 mm | 75% | 4.1 m/s | 6.9 |
| 1989 | 23.6°C | 21.9°C | 20.1°C | 27.6°C | 18.0°C | 97 mm | 77% | 4.1 m/s | 6.6 |
| 1988 | 23.8°C | 22.3°C | 20.9°C | 27.7°C | 19.0°C | 205 mm | 82% | 4.2 m/s | 5.6 |
| 1987 | 24.8°C | 22.8°C | 20.8°C | 28.8°C | 17.7°C | 96 mm | 74% | 4 m/s | 6.4 |
| 1986 | 24.0°C | 21.9°C | 19.8°C | 27.7°C | 16.7°C | 44 mm | 70% | 3.9 m/s | 7.2 |
| 1985 | 25.0°C | 22.9°C | 20.8°C | 29.1°C | 17.0°C | 111 mm | 75% | 4.2 m/s | 6.7 |
| 1984 | 23.6°C | 21.6°C | 19.6°C | 27.6°C | 16.8°C | 171 mm | 74% | 3.9 m/s | 7.1 |
| 1983 | 23.0°C | 21.3°C | 19.6°C | 29.9°C | 16.1°C | 157 mm | 75% | 3.7 m/s | — |
| 1982 | 24.5°C | 22.6°C | 20.6°C | 28.1°C | 18.6°C | 66 mm | 75% | 3.9 m/s | — |
| 1981 | 25.2°C | 23.2°C | 21.1°C | 31.3°C | 18.9°C | 75 mm | 76% | 3.8 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 24.4°C with lows near 20.8°C (mean 22.6°C), based on 45 years of NASA POWER data.
December averages 119 mm of rainfall in Port Macquarie, about average for rainfall. The wettest on record was 415 mm in 2020.
The hottest December reached 32.4°C in 2005. The coldest dipped to 16.1°C in 1983.
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 24.3°C to 24.5°C and overnight lows from 20.3°C to 20.9°C over the same span.
December is one of the warmer months of the year in Port Macquarie and about average for rainfall, so plan for around 24.4°C daytime highs and 20.8°C at night.
Not quite — December is the 9th coolest month in Port Macquarie, averaging 22.6°C.
For December in Port Macquarie, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 20.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 76% — quite humid.
Average wind speed in December is 4 m/s. The windiest December on record averaged 4.7 m/s (2018).
The wettest December on record was 2020 with 415 mm. On average, December sees 119 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 Port Macquarie 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.
