December is one of the warmer months of the year in Andergrove, with average highs near 27.8°C and lows around 25.4°C (mean 26.6°C). It is a relatively wet time of year, averaging 149 mm of rainfall and 77% relative humidity across the period.
December is one of the warmer months of the year in Andergrove. Across 45 years of records, the warmest December in Andergrove was 2005 — when the month averaged 28.3°C — while the coldest was 1999 at 24.9°C. Typical December days reach 27.8°C with nights near 25.4°C. The long-term December temperature trend is broadly flat.
December is a relatively wet time of year in Andergrove, averaging 149 mm of rainfall. The wettest December on record was 1990 with 918 mm, while the driest was 2005 at 14 mm.
Relative humidity in Andergrove during December averages 77%. The most humid December was 2010 at 88%, and the least humid was 2005 at 72%.
December receives about 6.8 kWh/m²/day of solar energy in Andergrove. The sunniest December was 2005 at 7.8 kWh/m²/day, and the cloudiest was 2010 at 4.9.
Average wind speed in Andergrove during December is 4.2 m/s. The windiest December was 2018 at 5.5 m/s, while the calmest was 1981 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 26.4°C | 26.8°C | 26.7°C | 27.0°C | +0.6°C |
| Avg High | 27.6°C | 27.6°C | 28.0°C | 27.8°C | 28.2°C | +0.6°C |
| Avg Low | 25.1°C | 25.2°C | 25.6°C | 25.5°C | 25.9°C | +0.8°C |
| Avg Rain | 99 mm | 216 mm | 121 mm | 158 mm | 145 mm | +46 mm |
December temperatures in Andergrove have risen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 21.9°C (2022) to a record high of 33.5°C (1995).
Rainfall in December is a relatively wet time of year, averaging 149 mm, with a wettest year of 918 mm.
A quieter season to visit Andergrove
If your dates are flexible, the more temperate months of September and August tend to be the most comfortable for visiting Andergrove. That said, December — with days averaging 27.8°C and nights around 25.4°C (mean 26.6°C) and higher rainfall (149 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 | 28.4°C | 27.3°C | 26.2°C | 30.0°C | 25.2°C | 86 mm | 73% | 4.2 m/s | — |
| 2024 | 28.2°C | 27.0°C | 25.8°C | 30.1°C | 24.3°C | 311 mm | 80% | 3.6 m/s | 6.4 |
| 2023 | 28.6°C | 27.4°C | 26.2°C | 30.2°C | 25.2°C | 87 mm | 80% | 4.4 m/s | 6.4 |
| 2022 | 27.7°C | 26.5°C | 25.3°C | 29.9°C | 21.9°C | 80 mm | 74% | 4.7 m/s | 6.9 |
| 2021 | 28.2°C | 27.1°C | 26.0°C | 29.1°C | 25.4°C | 133 mm | 78% | 4 m/s | 7 |
| 2020 | 28.0°C | 26.9°C | 25.7°C | 29.7°C | 24.2°C | 170 mm | 79% | 4.1 m/s | 6.5 |
| 2019 | 28.3°C | 27.0°C | 25.7°C | 30.8°C | 24.8°C | 125 mm | 75% | 4.3 m/s | 7.4 |
| 2018 | 27.8°C | 26.8°C | 25.9°C | 30.3°C | 25.2°C | 289 mm | 83% | 5.5 m/s | 5.6 |
| 2017 | 27.7°C | 26.5°C | 25.3°C | 29.4°C | 24.4°C | 31 mm | 75% | 3.8 m/s | 7.7 |
| 2016 | 27.8°C | 26.7°C | 25.5°C | 28.7°C | 24.5°C | 89 mm | 77% | 4 m/s | 7 |
| 2015 | 27.8°C | 26.7°C | 25.6°C | 28.9°C | 25.0°C | 47 mm | 74% | 4.4 m/s | 7 |
| 2014 | 28.4°C | 27.1°C | 25.9°C | 30.2°C | 24.8°C | 74 mm | 76% | 3.8 m/s | 7.1 |
| 2013 | 27.3°C | 26.2°C | 25.1°C | 29.4°C | 24.1°C | 25 mm | 73% | 4.3 m/s | 7.4 |
| 2012 | 27.8°C | 26.6°C | 25.4°C | 31.5°C | 24.1°C | 161 mm | 74% | 4.4 m/s | 7.1 |
| 2011 | 27.8°C | 26.6°C | 25.3°C | 30.2°C | 23.8°C | 194 mm | 79% | 4.8 m/s | 6.2 |
| 2010 | 27.3°C | 26.5°C | 25.6°C | 28.9°C | 24.3°C | 548 mm | 88% | 3.9 m/s | 4.9 |
| 2009 | 27.9°C | 26.8°C | 25.6°C | 29.6°C | 24.1°C | 114 mm | 75% | 4 m/s | 7.2 |
| 2008 | 28.8°C | 27.5°C | 26.3°C | 30.6°C | 25.1°C | 126 mm | 75% | 3.7 m/s | 7.2 |
| 2007 | 27.7°C | 26.4°C | 25.2°C | 29.0°C | 22.9°C | 177 mm | 77% | 4.1 m/s | 6.7 |
| 2006 | 26.4°C | 25.4°C | 24.4°C | 27.6°C | 23.8°C | 109 mm | 77% | 4.7 m/s | 6.4 |
| 2005 🔥 | 29.7°C | 28.3°C | 27.0°C | 32.8°C | 26.4°C | 14 mm | 72% | 3.9 m/s | 7.8 |
| 2004 | 27.8°C | 26.6°C | 25.4°C | 30.9°C | 23.8°C | 106 mm | 78% | 3.9 m/s | 6.8 |
| 2003 | 28.1°C | 26.9°C | 25.7°C | 30.4°C | 24.3°C | 173 mm | 77% | 4.1 m/s | 7 |
| 2002 | 28.0°C | 26.8°C | 25.7°C | 30.5°C | 24.5°C | 38 mm | 73% | 4.5 m/s | 7.5 |
| 2001 | 29.2°C | 27.7°C | 26.3°C | 32.1°C | 24.3°C | 118 mm | 77% | 3.9 m/s | 7.3 |
| 2000 | 26.1°C | 25.2°C | 24.4°C | 27.9°C | 23.3°C | 235 mm | 79% | 4.2 m/s | 6.4 |
| 1999 ❄️ | 26.0°C | 24.9°C | 23.9°C | 28.7°C | 22.8°C | 182 mm | 80% | 4.9 m/s | 6.8 |
| 1998 | 27.5°C | 26.4°C | 25.4°C | 29.1°C | 23.6°C | 183 mm | 79% | 4.4 m/s | 6.7 |
| 1997 | 28.0°C | 27.0°C | 26.0°C | 29.5°C | 25.1°C | 180 mm | 80% | 3.5 m/s | 6.2 |
| 1996 | 28.3°C | 27.0°C | 25.8°C | 29.8°C | 24.9°C | 97 mm | 76% | 4.4 m/s | 6.7 |
| 1995 | 28.9°C | 27.4°C | 25.9°C | 33.5°C | 22.6°C | 103 mm | 74% | 4.2 m/s | 7 |
| 1994 | 27.0°C | 25.7°C | 24.5°C | 29.1°C | 23.5°C | 95 mm | 74% | 4.4 m/s | 7.2 |
| 1993 | 27.3°C | 26.1°C | 24.9°C | 31.1°C | 23.5°C | 140 mm | 76% | 4.5 m/s | 6.7 |
| 1992 | 27.5°C | 26.3°C | 25.0°C | 31.1°C | 24.0°C | 111 mm | 76% | 4.4 m/s | 6.6 |
| 1991 | 28.5°C | 27.1°C | 25.7°C | 30.5°C | 24.0°C | 146 mm | 78% | 3.7 m/s | 7.2 |
| 1990 🌧️ | 27.4°C | 26.4°C | 25.3°C | 28.6°C | 24.1°C | 918 mm | 80% | 4.8 m/s | 5.9 |
| 1989 | 26.6°C | 25.4°C | 24.1°C | 31.0°C | 23.1°C | 51 mm | 77% | 4.1 m/s | 7.3 |
| 1988 | 27.0°C | 25.9°C | 24.9°C | 28.5°C | 22.2°C | 297 mm | 82% | 4.6 m/s | 6.1 |
| 1987 | 27.1°C | 25.9°C | 24.6°C | 29.3°C | 22.9°C | 57 mm | 76% | 3.9 m/s | 7.2 |
| 1986 | 27.9°C | 26.6°C | 25.3°C | 29.3°C | 23.8°C | 66 mm | 74% | 3.9 m/s | 7.4 |
| 1985 | 28.6°C | 27.3°C | 26.0°C | 30.6°C | 24.7°C | 77 mm | 79% | 3.7 m/s | 7.6 |
| 1984 | 28.6°C | 27.2°C | 25.7°C | 32.6°C | 22.9°C | 101 mm | 80% | 3.9 m/s | 7 |
| 1983 | 26.8°C | 25.7°C | 24.5°C | 31.1°C | 23.6°C | 64 mm | 74% | 4.9 m/s | — |
| 1982 | 27.4°C | 26.0°C | 24.6°C | 30.3°C | 22.7°C | 86 mm | 76% | 3.8 m/s | — |
| 1981 | 28.7°C | 27.4°C | 26.0°C | 32.1°C | 24.4°C | 93 mm | 80% | 3.4 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 27.8°C with lows near 25.4°C (mean 26.6°C), based on 45 years of NASA POWER data.
December averages 149 mm of rainfall in Andergrove, a relatively wet time of year. The wettest on record was 918 mm in 1990.
The hottest December reached 33.5°C in 1995. The coldest dipped to 21.9°C in 2022.
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 28°C to 28.2°C and overnight lows from 25.4°C to 25.9°C over the same span.
December is one of the warmer months of the year in Andergrove and a relatively wet time of year, so plan for around 27.8°C daytime highs and 25.4°C at night.
Not quite — December is the 10th coolest month in Andergrove, averaging 26.6°C.
For December in Andergrove, pack light layers you can adjust through the day, with typical highs of 27.8°C and lows of 25.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 77% — quite humid.
Average wind speed in December is 4.2 m/s. The windiest December on record averaged 5.5 m/s (2018).
The wettest December on record was 1990 with 918 mm. On average, December sees 149 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 Andergrove 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.
