Melbourne weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: November – April
What is the weather like in Melbourne in December?
In December, Melbourne is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 18.8 °C – bracing, so a wetsuit helps for longer swims. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 7 days, adding up to 55 mm. On about 5 days the thermometer climbs to 30 °C or more. All in all, December is an excellent month for a holiday in Melbourne.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 84 | 93 | 96 |
| Day | 21° | 24° | 26° |
| Night | 12° | 13° | 15° |
| Sea | 17° | 19° | 21° |
| Sun | 8 h | 9 h | 9 h |
| Rain days | 10 | 7 | 6 |
More details for December
- Daylight
- 14 h 45 min05:53 – 20:38
- UV index
- 10 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 21 km/haverage daily peak
- Cloud cover
- 56 %on average
- Hot days
- 5 days30 °C or more
- Time zone
- UTC+11Australia/Melbourne
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Melbourne in December: quick answers
Is Melbourne hot in December?
Warm rather than hot: in December, daytime highs in Melbourne average 24 °C and nights cool to about 13 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Melbourne in December?
Only if you don't mind cold water: in December the sea averages just 18.8 °C. Comfortable swimming is possible from January to March.
Does it rain much in Melbourne in December?
Rain falls on about 7 days, adding up to 55 mm.
Melbourne month by month
The whole year in MelbourneAll destinations: Australia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)