City by Month

Melbourne in December

In December, Melbourne has 64.0 mm (2.52 in) of rain, a daily high of 24.4 °C (75.9 °F) and a daily low of 12.9 °C (55.2 °F), as 1991-2020 model estimates; figures in brackets are converted. The daily high is a model estimate, adjusted against station records.

Last updated : first sourced version.

Best time to visit Melbourne: December meets our rule. Expect 6.2 rain days (model estimate) and days that grow by 11 min.

What December is like in Melbourne

How we choose these portraits

Key figures

Weather in December, 1991-2020 model estimates

Daily high
24.4 °C (75.9 °F)
Daily low
12.9 °C (55.2 °F)
Rain
64.0 mm (2.52 in) in the month
Sunshine
no data

Model estimate 1991-2020, not a weather station: ERA5-Land model estimates (Copernicus), computed by City by Month for the grid cell nearest the city. Daily high and Days with rain: model estimate, adjusted against station records. Licence: CC BY 4.0. Checked . How we make and test model estimates

Model estimate for the ERA5-Land grid cell at 37.8° S, 145.0° E, 4 km from the city centre point.

How we define and convert these figures

Notes. Sunshine: Not in our ERA5-Land estimates.

Daylight on 15 December 2026

Sunrise
05:52 local time
Sunset
20:38 local time
Day length
14 h 46 min

Day length 1-31 December: 14 h 34 min to 14 h 45 min, +11 min.

How we compute daylight

Source: NOAA Solar Calculator equations, checked .

Month by month

Each month: daily high in °C, then rain in mm, 1991-2020 model estimates.

ERA5-Land model estimates 1991-2020, as above, checked .

This month against the year

Melbourne: December ranked against the 12 months
MeasureDecemberRank
Daily high24.4 °C4th warmest
Daily low12.9 °C4th warmest
Rain64.0 mm4th wettest
Sunshineno datano data
Day length14 h 46 minlongest

Equal values share a rank. How we rank months

Melbourne in December, on average: 6.2 rain days (1 mm or more). Model estimate, adjusted against station records.

ERA5-Land model estimates 1991-2020, as above, checked .

Day length: NOAA solar equations, checked .

Public holidays this month

Melbourne: public holidays in December 2026
DateHolidayScope
FridayChristmas Daynational
SaturdayBoxing Daynational
MondayBoxing Day (observed)regional

Checked against the official list, .

December 2027: no data. 1 date not yet set officially (Friday before the AFL Grand Final). Official list

Regional holidays are for AU-VIC. How we check holidays

Source: holidays Python library, checked . Library: holidays 0.105.

Same month in 8 model-estimate cities

Melbourne is warmer than 4 of our 8 model-estimate cities in December by mean daily high. How we rank cities

Closest high and low in December: Delhi (2.4 °C apart), Sydney (3.2), Lisbon (5.5).

December in 8 model-estimate cities: daily high and low, monthly rain, 1991-2020 model estimates. Bars: high and low share one scale, coldest to warmest city; rain starts at zero.
CityGap from Melbourne, °CHigh, °CLow, °CRain, mmSunshine, hours
Melbourne (this page)—24.412.964.0no data
Delhi (closest)2.423.29.3no datano data
Sydney (closest)3.225.618.162.5no data
Lisbon (closest)5.515.810.577.9no data
Mumbai7.231.420.2no datano data
Porto7.614.77.5150.9no data
Bangkok8.131.621.9no datano data
Istanbul10.111.16.099.3no data

Sources (1991-2020): ERA5-Land model estimates, checked . Each city's page names its grid cell. All sources in full on Methodology.

All cities in December

Sources

Cite this page: City by Month. "Melbourne in December: weather, daylight, holidays". https://citybymonth.com/cities/australia/melbourne/december/. Last updated 8 November 2026.