December is one of the warmer months of the year in Wagga Wagga, with average highs near 30°C and lows around 14.6°C (mean 22.3°C). It is about average for rainfall, averaging 52 mm of rainfall and 47% relative humidity across the period.
December is one of the warmer months of the year in Wagga Wagga. Across 45 years of records, the warmest December in Wagga Wagga was 2018 — when the month averaged 25°C — while the coldest was 1992 at 19.3°C. Typical December days reach 30°C with nights near 14.6°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Wagga Wagga, averaging 52 mm of rainfall. The wettest December on record was 1988 with 160 mm, while the driest was 2000 at 6 mm.
Relative humidity in Wagga Wagga during December averages 47%. The most humid December was 1992 at 70%, and the least humid was 2006 at 34%.
December receives about 7.7 kWh/m²/day of solar energy in Wagga Wagga. The sunniest December was 2024 at 8.5 kWh/m²/day, and the cloudiest was 1992 at 6.7.
Average wind speed in Wagga Wagga during December is 2.9 m/s. The windiest December was 1984 at 3.6 m/s, while the calmest were 2011 and 2021 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.6°C | 21.9°C | 22.7°C | 23.0°C | 22.1°C | +0.5°C |
| Avg High | 29.4°C | 29.6°C | 30.8°C | 30.6°C | 29.6°C | +0.2°C |
| Avg Low | 13.9°C | 14.2°C | 14.7°C | 15.4°C | 14.5°C | +0.6°C |
| Avg Rain | 51 mm | 58 mm | 41 mm | 57 mm | 53 mm | +3 mm |
December temperatures in Wagga Wagga have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 5.3°C (2022) to a record high of 43.1°C (2019).
Rainfall in December is about average for rainfall, averaging 52 mm, with a wettest year of 160 mm.
One of the best times to visit Wagga Wagga
December is one of the best times to visit Wagga Wagga. Expect days averaging 30°C and nights around 14.6°C (mean 22.3°C) — warmer than Wagga Wagga's yearly average — with moderate rainfall (52 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 | 31.1°C | 22.7°C | 14.3°C | 41.6°C | 6.5°C | 44 mm | 41% | 3.1 m/s | — |
| 2024 | 31.7°C | 24.0°C | 16.3°C | 39.1°C | 9.0°C | 41 mm | 47% | 2.7 m/s | 8.5 |
| 2023 | 30.1°C | 23.3°C | 16.4°C | 38.4°C | 12.4°C | 84 mm | 56% | 2.6 m/s | 7.2 |
| 2022 | 26.6°C | 19.5°C | 12.4°C | 36.1°C | 5.3°C | 52 mm | 58% | 2.6 m/s | 7.8 |
| 2021 | 29.0°C | 21.5°C | 14.0°C | 36.9°C | 8.1°C | 40 mm | 55% | 2.4 m/s | 8.2 |
| 2020 | 29.1°C | 21.4°C | 13.8°C | 38.3°C | 7.4°C | 60 mm | 48% | 3.1 m/s | 7.9 |
| 2019 | 33.5°C | 24.8°C | 16.2°C | 43.1°C | 6.3°C | 11 mm | 34% | 3 m/s | 8.1 |
| 2018 🔥 | 32.9°C | 25.0°C | 17.1°C | 41.4°C | 8.9°C | 49 mm | 45% | 2.7 m/s | 7.6 |
| 2017 | 30.4°C | 23.3°C | 16.2°C | 40.7°C | 8.8°C | 114 mm | 55% | 2.6 m/s | 7 |
| 2016 | 31.1°C | 23.4°C | 15.7°C | 37.2°C | 8.2°C | 75 mm | 50% | 2.8 m/s | 7.3 |
| 2015 | 31.8°C | 23.8°C | 15.8°C | 40.4°C | 9.0°C | 37 mm | 41% | 2.9 m/s | 8.1 |
| 2014 | 30.5°C | 23.0°C | 15.6°C | 36.0°C | 11.5°C | 54 mm | 48% | 2.8 m/s | 7.5 |
| 2013 | 32.0°C | 23.7°C | 15.4°C | 41.9°C | 6.3°C | 25 mm | 40% | 2.9 m/s | 7.9 |
| 2012 | 31.1°C | 23.2°C | 15.3°C | 37.3°C | 8.0°C | 30 mm | 42% | 3 m/s | 7.9 |
| 2011 | 27.1°C | 20.2°C | 13.2°C | 33.7°C | 5.6°C | 60 mm | 59% | 2.4 m/s | 7.8 |
| 2010 | 25.8°C | 19.7°C | 13.6°C | 36.9°C | 6.6°C | 114 mm | 69% | 2.8 m/s | 7.6 |
| 2009 | 31.8°C | 23.4°C | 14.9°C | 41.1°C | 8.7°C | 61 mm | 43% | 2.8 m/s | 8.1 |
| 2008 | 28.4°C | 21.0°C | 13.7°C | 35.5°C | 8.8°C | 60 mm | 47% | 3.1 m/s | 7.6 |
| 2007 | 29.4°C | 22.2°C | 15.0°C | 38.0°C | 9.1°C | 104 mm | 54% | 2.8 m/s | 7.4 |
| 2006 | 31.9°C | 23.8°C | 15.7°C | 39.9°C | 6.2°C | 7 mm | 34% | 3.2 m/s | 7.9 |
| 2005 | 31.1°C | 22.5°C | 14.0°C | 42.5°C | 9.4°C | 34 mm | 41% | 3.2 m/s | 8.2 |
| 2004 | 29.0°C | 21.3°C | 13.7°C | 36.9°C | 6.8°C | 63 mm | 52% | 2.9 m/s | 7.6 |
| 2003 | 31.8°C | 23.9°C | 16.0°C | 39.5°C | 10.2°C | 53 mm | 50% | 2.7 m/s | 7.7 |
| 2002 | 32.4°C | 24.0°C | 15.6°C | 41.0°C | 6.5°C | 15 mm | 35% | 3 m/s | 7.5 |
| 2001 | 29.9°C | 21.9°C | 13.9°C | 39.4°C | 7.1°C | 7 mm | 35% | 2.9 m/s | 7.3 |
| 2000 | 32.0°C | 23.4°C | 14.8°C | 39.6°C | 8.8°C | 6 mm | 41% | 2.8 m/s | 8.4 |
| 1999 | 28.0°C | 20.9°C | 13.7°C | 36.0°C | 7.8°C | 124 mm | 53% | 3 m/s | 7.4 |
| 1998 | 31.5°C | 23.3°C | 15.0°C | 39.5°C | 9.0°C | 34 mm | 46% | 2.8 m/s | 8.1 |
| 1997 | 32.7°C | 24.4°C | 16.1°C | 40.7°C | 10.8°C | 21 mm | 36% | 2.9 m/s | 8.4 |
| 1996 | 29.3°C | 21.2°C | 13.1°C | 39.0°C | 8.5°C | 55 mm | 45% | 3 m/s | 8 |
| 1995 | 27.2°C | 19.5°C | 11.8°C | 36.8°C | 5.6°C | 35 mm | 52% | 2.7 m/s | 7.7 |
| 1994 | 33.3°C | 24.5°C | 15.8°C | 41.2°C | 9.3°C | 33 mm | 39% | 2.8 m/s | 8.3 |
| 1993 | 27.5°C | 20.3°C | 13.1°C | 39.1°C | 6.6°C | 78 mm | 57% | 3.2 m/s | 7.1 |
| 1992 ❄️ | 25.2°C | 19.3°C | 13.5°C | 31.9°C | 5.9°C | 123 mm | 70% | 2.6 m/s | 6.7 |
| 1991 | 28.3°C | 20.9°C | 13.5°C | 40.3°C | 6.3°C | 59 mm | 48% | 2.9 m/s | 7.1 |
| 1990 | 32.6°C | 24.4°C | 16.1°C | 40.2°C | 7.6°C | 14 mm | 37% | 3.1 m/s | 8.1 |
| 1989 | 30.6°C | 22.3°C | 14.1°C | 38.5°C | 8.4°C | 26 mm | 45% | 3.1 m/s | 8 |
| 1988 🌧️ | 28.9°C | 22.0°C | 15.2°C | 36.5°C | 8.2°C | 160 mm | 62% | 2.8 m/s | 7.3 |
| 1987 | 30.8°C | 22.5°C | 14.2°C | 38.3°C | 5.5°C | 38 mm | 41% | 3.1 m/s | 8 |
| 1986 | 27.4°C | 19.7°C | 12.0°C | 35.0°C | 6.6°C | 38 mm | 51% | 3.2 m/s | 7.8 |
| 1985 | 26.2°C | 19.5°C | 12.9°C | 34.4°C | 8.6°C | 67 mm | 57% | 3 m/s | 7 |
| 1984 | 29.5°C | 21.1°C | 12.7°C | 38.9°C | 7.2°C | 17 mm | 38% | 3.6 m/s | 7.7 |
| 1983 | 29.2°C | 21.7°C | 14.1°C | 38.2°C | 6.9°C | 67 mm | 55% | 2.9 m/s | — |
| 1982 | 31.9°C | 23.8°C | 15.8°C | 38.5°C | 9.1°C | 16 mm | 34% | 3.1 m/s | — |
| 1981 | 30.1°C | 22.0°C | 14.0°C | 37.6°C | 8.7°C | 26 mm | 43% | 2.8 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30°C with lows near 14.6°C (mean 22.3°C), based on 45 years of NASA POWER data.
December averages 52 mm of rainfall in Wagga Wagga, about average for rainfall. The wettest on record was 160 mm in 1988.
The hottest December reached 43.1°C in 2019. The coldest dipped to 5.3°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C. Daytime highs moved from 29.4°C to 29.7°C and overnight lows from 13.9°C to 14.7°C over the same span.
December is one of the warmer months of the year in Wagga Wagga and about average for rainfall, so plan for around 30°C daytime highs and 14.6°C at night.
Not quite — December is the 10th coolest month in Wagga Wagga, averaging 22.3°C.
For December in Wagga Wagga, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 14.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 47% — relatively dry.
Average wind speed in December is 2.9 m/s. The windiest December on record averaged 3.6 m/s (1984).
The wettest December on record was 1988 with 160 mm. On average, December sees 52 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 Wagga Wagga 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.
