Weather on December 21 in Melbourne
Historical weather data for December 21 in Melbourne, Australia
Based on 55 years of data from MELBOURNE REGIONAL OFFICE
About This Date
December 21st in Melbourne, Australia typically brings pleasant winter weather, with average highs around 26°C and lows near 14°C. Over 55 years of records, the warmest December 21st was in 1980 (28°C average), while the coldest was 1995 (14°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 21st dates historically, with the wettest December 21st recording 2.84" of rain. The last decade has been 6.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.3°F cooler on this date compared to 20-30 years ago.
Planning for December 21st in Melbourne? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 19°C (67°F) | 14°C (57°F) | 0 mm |
| 2024 | 22°C (72°F) | 16°C (61°F) | 0 mm |
| 2023 | 26°C (79°F) | 13°C (56°F) | 0 mm |
| 2022 | 29°C (85°F) | 12°C (53°F) | 0 mm |
| 2021 | 27°C (80°F) | 13°C (56°F) | 0 mm |
| 2020 | 22°C (72°F) | 9°C (48°F) | 0 mm |
| 2019 | 22°C (71°F) | 17°C (62°F) | 0 mm |
| 2018 | 22°C (72°F) | 13°C (56°F) | 5 mm |
| 2017 | 24°C (76°F) | 11°C (51°F) | 2 mm |
| 2016 | 21°C (70°F) | 12°C (53°F) | 1 mm |
| 2015 | 22°C (71°F) | 14°C (57°F) | 11 mm |
| 2014 | 34°C (93°F) | 14°C (57°F) | 0 mm |
| 2013 | 22°C (71°F) | 15°C (59°F) | 0 mm |
| 2012 | 22°C (72°F) | 14°C (58°F) | 0 mm |
| 2011 | 26°C (78°F) | 16°C (60°F) | 0 mm |
| 2010 | 18°C (65°F) | 11°C (52°F) | 0 mm |
| 2009 | 28°C (83°F) | 13°C (55°F) | 0 mm |
| 2008 | 31°C (87°F) | 13°C (55°F) | 0 mm |
| 2007 | 31°C (87°F) | 18°C (65°F) | 38 mm |
| 2006 | 37°C (99°F) | 15°C (59°F) | 0 mm |
| 2005 | 31°C (88°F) | 18°C (64°F) | 0 mm |
| 2004 | 23°C (73°F) | 13°C (56°F) | 0 mm |
| 2003 | 27°C (81°F) | 16°C (60°F) | 6 mm |
| 2002 | 34°C (93°F) | 18°C (64°F) | 0 mm |
| 2001 | 22°C (71°F) | 16°C (61°F) | 0 mm |
| 2000 | 38°C (101°F) | 16°C (61°F) | 0 mm |
| 1999 | 22°C (71°F) | 12°C (54°F) | 0 mm |
| 1998 | 22°C (71°F) | 11°C (51°F) | 30 mm |
| 1997 | 34°C (93°F) | 18°C (64°F) | 0 mm |
| 1996 | 35°C (95°F) | 11°C (52°F) | 0 mm |
| 1995 | 17°C (63°F) | 12°C (53°F) | 7 mm |
| 1994 | 21°C (69°F) | 19°C (66°F) | 1 mm |
| 1993 | 28°C (83°F) | 13°C (55°F) | 0 mm |
| 1992 | 23°C (73°F) | 16°C (61°F) | 72 mm |
| 1991 | 21°C (70°F) | 14°C (57°F) | 8 mm |
| 1990 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 1989 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1988 | 21°C (70°F) | 13°C (56°F) | 0 mm |
| 1987 | 22°C (72°F) | 13°C (55°F) | 0 mm |
| 1986 | 20°C (68°F) | 13°C (55°F) | 0 mm |
| 1985 | 22°C (71°F) | 15°C (59°F) | 0 mm |
| 1984 | 23°C (73°F) | 11°C (51°F) | 3 mm |
| 1983 | 22°C (71°F) | 18°C (64°F) | 0 mm |
| 1982 | 19°C (67°F) | 12°C (54°F) | 0 mm |
| 1981 | 24°C (76°F) | 11°C (52°F) | 0 mm |
| 1980 | 38°C (101°F) | 17°C (63°F) | 0 mm |
| 1979 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 1978 | 20°C (68°F) | 12°C (53°F) | 0 mm |
| 1977 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 1976 | 38°C (100°F) | 17°C (62°F) | 0 mm |
| 1975 | 19°C (67°F) | 12°C (54°F) | 0 mm |
| 1974 | 19°C (67°F) | 12°C (53°F) | 0 mm |
| 1973 | 31°C (88°F) | 16°C (60°F) | 3 mm |
| 1972 | 29°C (84°F) | 21°C (69°F) | 0 mm |
| 1971 | 32°C (90°F) | 14°C (58°F) | 0 mm |