December is one of the warmer months of the year in Meningie, with average highs near 26.9°C and lows around 14.1°C (mean 20.5°C). It is about average for rainfall, averaging 25 mm of rainfall and 56% relative humidity across the period.
December is one of the warmer months of the year in Meningie. Across 45 years of records, the warmest December in Meningie was 2015 — when the month averaged 23.6°C — while the coldest was 2001 at 17.5°C. Typical December days reach 26.9°C with nights near 14.1°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Meningie, averaging 25 mm of rainfall. The wettest December on record was 1992 with 96 mm, while the driest was 2017 at 0 mm.
Relative humidity in Meningie during December averages 56%. The most humid December was 1992 at 67%, and the least humid was 2015 at 45%.
December receives about 7.6 kWh/m²/day of solar energy in Meningie. The sunniest December was 2021 at 8.7 kWh/m²/day, and the cloudiest was 1992 at 6.2.
Average wind speed in Meningie during December is 4.4 m/s. The windiest Decembers were 1985, 1986 and 2005, among others at 4.9 m/s, while the calmest were 1983, 2009 and 2015 at 3.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 20.0°C | 20.4°C | 21.4°C | 20.5°C | +0.3°C |
| Avg High | 26.6°C | 26.2°C | 26.8°C | 28.0°C | 26.8°C | +0.2°C |
| Avg Low | 13.8°C | 13.7°C | 14.0°C | 14.9°C | 14.1°C | +0.3°C |
| Avg Rain | 27 mm | 30 mm | 26 mm | 24 mm | 14 mm | -13 mm |
December temperatures in Meningie have risen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 7.8°C (1994) to a record high of 45.7°C (2019).
Rainfall in December is about average for rainfall, averaging 25 mm, with a wettest year of 96 mm.
One of the best times to visit Meningie
December is one of the best times to visit Meningie. Expect days averaging 26.9°C and nights around 14.1°C (mean 20.5°C) — warmer than Meningie's yearly average — with low rainfall (25 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 | 27.6°C | 20.9°C | 14.2°C | 40.1°C | 9.7°C | 21 mm | 50% | 4.3 m/s | — |
| 2024 | 28.1°C | 21.8°C | 15.4°C | 39.1°C | 11.5°C | 10 mm | 55% | 4.2 m/s | 8 |
| 2023 | 26.6°C | 20.5°C | 14.3°C | 36.1°C | 10.8°C | 7 mm | 60% | 4.8 m/s | 6.6 |
| 2022 | 26.4°C | 20.0°C | 13.6°C | 39.9°C | 10.0°C | 35 mm | 57% | 4.2 m/s | 7.9 |
| 2021 | 26.9°C | 20.2°C | 13.4°C | 39.1°C | 9.2°C | 3 mm | 56% | 4.2 m/s | 8.7 |
| 2020 | 25.4°C | 19.4°C | 13.5°C | 34.7°C | 9.8°C | 11 mm | 55% | 4.8 m/s | 7.7 |
| 2019 | 30.0°C | 22.7°C | 15.4°C | 45.7°C | 10.5°C | 1 mm | 49% | 4.4 m/s | 8.1 |
| 2018 | 30.0°C | 23.0°C | 16.0°C | 41.7°C | 11.2°C | 3 mm | 53% | 4.5 m/s | 7.3 |
| 2017 | 27.2°C | 21.1°C | 15.0°C | 39.7°C | 11.2°C | 0 mm | 55% | 4.3 m/s | 7.4 |
| 2016 | 28.0°C | 21.1°C | 14.2°C | 39.1°C | 9.4°C | 17 mm | 55% | 4.3 m/s | 7.6 |
| 2015 🔥 | 31.1°C | 23.6°C | 16.2°C | 41.1°C | 9.7°C | 41 mm | 45% | 3.9 m/s | 8 |
| 2014 | 26.4°C | 20.4°C | 14.3°C | 35.4°C | 10.5°C | 13 mm | 59% | 4.2 m/s | 7.7 |
| 2013 | 27.7°C | 21.0°C | 14.2°C | 41.1°C | 10.6°C | 21 mm | 53% | 4.1 m/s | 7.5 |
| 2012 | 26.9°C | 20.7°C | 14.5°C | 38.0°C | 10.8°C | 14 mm | 54% | 4.2 m/s | 7.8 |
| 2011 | 27.1°C | 20.6°C | 14.2°C | 36.6°C | 9.9°C | 34 mm | 56% | 4 m/s | 8 |
| 2010 | 25.4°C | 20.0°C | 14.6°C | 37.3°C | 9.2°C | 93 mm | 62% | 4.3 m/s | 7.3 |
| 2009 | 27.3°C | 20.6°C | 14.0°C | 39.6°C | 10.2°C | 29 mm | 56% | 3.9 m/s | 7.9 |
| 2008 | 24.4°C | 19.1°C | 13.8°C | 33.1°C | 9.4°C | 48 mm | 61% | 4.4 m/s | 7.2 |
| 2007 | 27.8°C | 21.1°C | 14.4°C | 42.4°C | 9.2°C | 34 mm | 54% | 4 m/s | 7.6 |
| 2006 | 27.4°C | 20.4°C | 13.4°C | 41.4°C | 8.7°C | 19 mm | 49% | 4.5 m/s | 8.1 |
| 2005 | 26.9°C | 20.9°C | 14.8°C | 41.2°C | 12.7°C | 31 mm | 55% | 4.9 m/s | 7.5 |
| 2004 | 26.9°C | 20.7°C | 14.5°C | 38.4°C | 10.2°C | 37 mm | 58% | 4.3 m/s | 7.6 |
| 2003 | 28.5°C | 21.7°C | 14.9°C | 39.3°C | 10.1°C | 29 mm | 56% | 4.4 m/s | 7.7 |
| 2002 | 27.5°C | 20.6°C | 13.7°C | 40.0°C | 8.8°C | 16 mm | 54% | 4.8 m/s | 7.7 |
| 2001 ❄️ | 22.7°C | 17.5°C | 12.3°C | 33.1°C | 9.0°C | 16 mm | 63% | 4.5 m/s | 7.3 |
| 2000 | 28.1°C | 21.3°C | 14.6°C | 39.7°C | 10.2°C | 6 mm | 52% | 4.3 m/s | 8.2 |
| 1999 | 25.9°C | 19.9°C | 13.9°C | 36.7°C | 10.5°C | 38 mm | 58% | 4.6 m/s | 7.3 |
| 1998 | 27.6°C | 21.0°C | 14.5°C | 41.2°C | 11.7°C | 12 mm | 57% | 4.2 m/s | 7.6 |
| 1997 | 26.6°C | 20.4°C | 14.2°C | 33.6°C | 11.2°C | 16 mm | 60% | 4.1 m/s | 8 |
| 1996 | 25.4°C | 19.1°C | 12.9°C | 36.4°C | 9.9°C | 18 mm | 55% | 4.3 m/s | 7.9 |
| 1995 | 25.2°C | 18.8°C | 12.3°C | 36.1°C | 7.8°C | 26 mm | 57% | 4.5 m/s | 7.6 |
| 1994 | 29.1°C | 21.7°C | 14.4°C | 38.8°C | 7.8°C | 10 mm | 50% | 4 m/s | 8.3 |
| 1993 | 24.8°C | 18.9°C | 13.1°C | 36.6°C | 8.5°C | 48 mm | 60% | 4.6 m/s | 7 |
| 1992 🌧️ | 25.6°C | 20.1°C | 14.7°C | 33.6°C | 10.8°C | 96 mm | 67% | 4.1 m/s | 6.2 |
| 1991 | 25.5°C | 19.1°C | 12.8°C | 35.9°C | 8.7°C | 8 mm | 59% | 4.5 m/s | 7.4 |
| 1990 | 26.6°C | 20.6°C | 14.5°C | 37.1°C | 10.7°C | 29 mm | 57% | 4.4 m/s | 7.3 |
| 1989 | 27.8°C | 21.1°C | 14.5°C | 38.5°C | 9.1°C | 13 mm | 53% | 4.4 m/s | 7.8 |
| 1988 | 27.0°C | 20.7°C | 14.4°C | 37.8°C | 9.5°C | 23 mm | 58% | 4.3 m/s | 7.6 |
| 1987 | 26.7°C | 20.0°C | 13.2°C | 37.3°C | 8.5°C | 56 mm | 56% | 4.4 m/s | 7.7 |
| 1986 | 24.3°C | 18.4°C | 12.6°C | 38.4°C | 8.8°C | 42 mm | 58% | 4.9 m/s | 6.9 |
| 1985 | 24.6°C | 19.0°C | 13.5°C | 36.0°C | 11.0°C | 31 mm | 59% | 4.9 m/s | 7.1 |
| 1984 | 26.7°C | 20.4°C | 14.1°C | 37.4°C | 10.5°C | 5 mm | 53% | 4.9 m/s | 7.5 |
| 1983 | 28.4°C | 21.3°C | 14.2°C | 39.5°C | 10.2°C | 58 mm | 54% | 3.9 m/s | — |
| 1982 | 27.7°C | 21.0°C | 14.3°C | 35.4°C | 9.4°C | 9 mm | 52% | 4.2 m/s | — |
| 1981 | 26.6°C | 20.0°C | 13.4°C | 39.0°C | 9.5°C | 7 mm | 55% | 4.4 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 26.9°C with lows near 14.1°C (mean 20.5°C), based on 45 years of NASA POWER data.
December averages 25 mm of rainfall in Meningie, about average for rainfall. The wettest on record was 96 mm in 1992.
The hottest December reached 45.7°C in 2019. The coldest dipped to 7.8°C in 1994.
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 26.8°C to 27.1°C and overnight lows from 13.9°C to 14.2°C over the same span.
December is one of the warmer months of the year in Meningie and about average for rainfall, so plan for around 26.9°C daytime highs and 14.1°C at night.
Not quite — December is the 10th coolest month in Meningie, averaging 20.5°C.
For December in Meningie, pack light layers you can adjust through the day, with typical highs of 26.9°C and lows of 14.1°C.
Relative humidity in December averages 56% — moderately humid.
Average wind speed in December is 4.4 m/s. The windiest December on record averaged 4.9 m/s (1984).
The wettest December on record was 1992 with 96 mm. On average, December sees 25 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 Meningie 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.
