Mild
Average highs are around 22°C, so days are mild rather than hot.
December verdict
Mornington Peninsula, Australia in December
Weather score54Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 61mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
22°C
Rain
61mm
Sun
7.8h
Sea
18°C
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Mornington Peninsula, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December22°C average high
December sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
December61mm average rain
December sits near Mornington Peninsula's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7.8 hours average sun
December is brighter than Mornington Peninsula's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December18°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
December54 weather score
December scores above Mornington Peninsula's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
Hotels near Mornington Peninsula, Australia
Marriott
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