December is one of the warmer months of the year in Cobram, with average highs near 29.9°C and lows around 14.2°C (mean 22°C). It is about average for rainfall, averaging 42 mm of rainfall and 48% relative humidity across the period.
December is one of the warmer months of the year in Cobram. Across 45 years of records, the warmest December in Cobram was 2015 — when the month averaged 24.8°C — while the coldest was 1986 at 19.2°C. Typical December days reach 29.9°C with nights near 14.2°C. The long-term trend is warming, about 0.4°C per decade.
December is about average for rainfall in Cobram, averaging 42 mm of rainfall. The wettest December on record was 1992 with 112 mm, while the driest was 1984 at 7 mm.
Relative humidity in Cobram during December averages 48%. The most humid December was 1992 at 71%, and the least humid was 2006 at 33%.
December receives about 7.9 kWh/m²/day of solar energy in Cobram. The sunniest Decembers were 1994, 2000 and 2024 at 8.6 kWh/m²/day, and the cloudiest was 1992 at 6.5.
Average wind speed in Cobram during December is 2 m/s. The windiest December was 1984 at 2.5 m/s, while the calmest was 1992 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.4°C | 21.7°C | 22.1°C | 22.9°C | 22.1°C | +0.7°C |
| Avg High | 29.2°C | 29.5°C | 30.2°C | 30.7°C | 30.0°C | +0.8°C |
| Avg Low | 13.7°C | 13.8°C | 14.0°C | 15.0°C | 14.2°C | +0.5°C |
| Avg Rain | 39 mm | 42 mm | 40 mm | 50 mm | 38 mm | -1 mm |
December temperatures in Cobram have risen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 5.9°C (1995) to a record high of 45.3°C (2019).
Rainfall in December is about average for rainfall, averaging 42 mm, with a wettest year of 112 mm.
One of the best times to visit Cobram
December is one of the best times to visit Cobram. Expect days averaging 29.9°C and nights around 14.2°C (mean 22°C) — warmer than Cobram's yearly average — with moderate rainfall (42 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 | 30.2°C | 22.0°C | 13.8°C | 41.6°C | 7.1°C | 30 mm | 45% | 2 m/s | — |
| 2024 | 31.7°C | 23.6°C | 15.4°C | 41.8°C | 9.8°C | 34 mm | 49% | 1.9 m/s | 8.6 |
| 2023 | 30.7°C | 23.4°C | 16.1°C | 39.8°C | 11.1°C | 75 mm | 52% | 1.8 m/s | 7.3 |
| 2022 | 27.2°C | 19.8°C | 12.5°C | 37.5°C | 6.2°C | 40 mm | 61% | 1.8 m/s | 7.8 |
| 2021 | 30.8°C | 22.4°C | 14.1°C | 40.9°C | 9.9°C | 26 mm | 49% | 1.9 m/s | 8.4 |
| 2020 | 29.4°C | 21.3°C | 13.2°C | 37.9°C | 8.0°C | 25 mm | 45% | 2.2 m/s | 8 |
| 2019 | 33.3°C | 24.6°C | 15.8°C | 45.3°C | 7.7°C | 10 mm | 35% | 2.2 m/s | 8.4 |
| 2018 | 32.6°C | 24.6°C | 16.7°C | 42.2°C | 10.8°C | 63 mm | 48% | 2 m/s | 7.7 |
| 2017 | 29.7°C | 22.4°C | 15.1°C | 36.9°C | 8.6°C | 111 mm | 56% | 1.8 m/s | 7.3 |
| 2016 | 30.6°C | 22.8°C | 15.0°C | 37.7°C | 8.4°C | 32 mm | 50% | 1.9 m/s | 7.3 |
| 2015 🔥 | 33.0°C | 24.8°C | 16.5°C | 42.6°C | 9.1°C | 23 mm | 36% | 2 m/s | 8.3 |
| 2014 | 31.0°C | 23.1°C | 15.1°C | 36.3°C | 10.6°C | 37 mm | 46% | 2 m/s | 8 |
| 2013 | 31.1°C | 22.6°C | 14.0°C | 40.9°C | 5.9°C | 52 mm | 46% | 2 m/s | 7.8 |
| 2012 | 31.0°C | 23.0°C | 15.0°C | 40.2°C | 9.7°C | 24 mm | 41% | 2.2 m/s | 8.1 |
| 2011 | 29.0°C | 21.5°C | 14.1°C | 36.0°C | 7.1°C | 44 mm | 52% | 2 m/s | 8.1 |
| 2010 | 26.0°C | 19.5°C | 13.1°C | 39.1°C | 6.7°C | 101 mm | 68% | 1.9 m/s | 7.7 |
| 2009 | 31.2°C | 22.6°C | 13.9°C | 39.8°C | 8.7°C | 22 mm | 45% | 1.9 m/s | 8.3 |
| 2008 | 27.5°C | 20.2°C | 13.0°C | 34.9°C | 7.2°C | 58 mm | 53% | 2.1 m/s | 7.8 |
| 2007 | 30.6°C | 22.8°C | 15.0°C | 40.0°C | 8.1°C | 74 mm | 50% | 2 m/s | 7.9 |
| 2006 | 31.3°C | 22.8°C | 14.3°C | 42.4°C | 7.0°C | 7 mm | 33% | 2.2 m/s | 8.3 |
| 2005 | 30.5°C | 22.2°C | 13.9°C | 44.2°C | 9.7°C | 31 mm | 45% | 2.2 m/s | 8.1 |
| 2004 | 28.3°C | 20.8°C | 13.2°C | 37.0°C | 7.4°C | 77 mm | 54% | 2 m/s | 7.7 |
| 2003 | 30.8°C | 23.1°C | 15.4°C | 39.8°C | 10.1°C | 79 mm | 54% | 1.8 m/s | 7.6 |
| 2002 | 32.0°C | 23.4°C | 14.8°C | 42.1°C | 7.4°C | 30 mm | 38% | 2.4 m/s | 7.7 |
| 2001 | 28.4°C | 20.6°C | 12.8°C | 37.2°C | 8.0°C | 9 mm | 42% | 2.2 m/s | 7.8 |
| 2000 | 31.2°C | 22.5°C | 13.7°C | 40.4°C | 8.3°C | 8 mm | 44% | 2 m/s | 8.6 |
| 1999 | 28.4°C | 21.0°C | 13.6°C | 37.0°C | 7.9°C | 68 mm | 51% | 2.2 m/s | 7.6 |
| 1998 | 31.1°C | 22.7°C | 14.2°C | 41.0°C | 8.2°C | 15 mm | 47% | 1.9 m/s | 8.5 |
| 1997 | 31.9°C | 23.7°C | 15.4°C | 37.9°C | 10.6°C | 13 mm | 39% | 2.1 m/s | 8.5 |
| 1996 | 28.7°C | 20.7°C | 12.6°C | 39.3°C | 8.5°C | 17 mm | 45% | 2.1 m/s | 8.2 |
| 1995 | 27.9°C | 19.6°C | 11.3°C | 36.3°C | 5.9°C | 21 mm | 48% | 2.1 m/s | 7.9 |
| 1994 | 33.7°C | 24.6°C | 15.5°C | 41.0°C | 7.7°C | 20 mm | 35% | 2 m/s | 8.6 |
| 1993 | 27.3°C | 19.8°C | 12.4°C | 38.8°C | 6.8°C | 78 mm | 58% | 2.2 m/s | 7.3 |
| 1992 🌧️ | 25.5°C | 19.7°C | 13.9°C | 32.9°C | 6.8°C | 112 mm | 71% | 1.6 m/s | 6.5 |
| 1991 | 28.6°C | 21.0°C | 13.4°C | 38.9°C | 7.6°C | 60 mm | 47% | 1.9 m/s | 7.3 |
| 1990 | 32.2°C | 24.1°C | 16.1°C | 39.9°C | 8.8°C | 14 mm | 38% | 2.1 m/s | 8.1 |
| 1989 | 30.6°C | 22.3°C | 13.9°C | 38.9°C | 7.8°C | 15 mm | 46% | 2.1 m/s | 8 |
| 1988 | 28.8°C | 21.6°C | 14.5°C | 37.7°C | 8.2°C | 105 mm | 61% | 1.8 m/s | 7.4 |
| 1987 | 30.5°C | 21.9°C | 13.4°C | 40.5°C | 6.7°C | 26 mm | 43% | 2.2 m/s | 8.3 |
| 1986 ❄️ | 26.8°C | 19.2°C | 11.7°C | 35.7°C | 7.5°C | 48 mm | 55% | 2.2 m/s | 7.7 |
| 1985 | 25.9°C | 19.4°C | 12.9°C | 34.4°C | 9.3°C | 90 mm | 60% | 2 m/s | 7.4 |
| 1984 | 29.3°C | 21.1°C | 13.0°C | 38.6°C | 7.6°C | 7 mm | 39% | 2.5 m/s | 8.1 |
| 1983 | 29.9°C | 22.1°C | 14.3°C | 37.2°C | 8.2°C | 35 mm | 50% | 2 m/s | — |
| 1982 | 31.3°C | 23.4°C | 15.5°C | 38.9°C | 9.5°C | 10 mm | 36% | 2.2 m/s | — |
| 1981 | 29.7°C | 21.7°C | 13.7°C | 38.3°C | 8.6°C | 17 mm | 44% | 2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 29.9°C with lows near 14.2°C (mean 22°C), based on 45 years of NASA POWER data.
December averages 42 mm of rainfall in Cobram, about average for rainfall. The wettest on record was 112 mm in 1992.
The hottest December reached 45.3°C in 2019. The coldest dipped to 5.9°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.7°C. Daytime highs moved from 29.2°C to 30.1°C and overnight lows from 13.9°C to 14.4°C over the same span.
December is one of the warmer months of the year in Cobram and about average for rainfall, so plan for around 29.9°C daytime highs and 14.2°C at night.
Not quite — December is the 10th coolest month in Cobram, averaging 22°C.
For December in Cobram, pack light layers you can adjust through the day, with typical highs of 29.9°C and lows of 14.2°C.
Relative humidity in December averages 48% — relatively dry.
Average wind speed in December is 2 m/s. The windiest December on record averaged 2.5 m/s (1984).
The wettest December on record was 1992 with 112 mm. On average, December sees 42 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 Cobram 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.
