Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Mornington Peninsula, Australia Average Monthly Weather
Weather score41Mixed annual avg
Best months: February, January, March
Across the year, average daytime temperatures are around 19°C, sunshine averages 6.1h per day, and rainfall totals about 877mm. Sea temperatures average 16°C across the year.
Annual weather
Annual averages
Temp
19°C
Rain
877mm
Annual total
Sun
6.1h
Sea
16°C
Weather score
41
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 92mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 12°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
August14°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
August92mm average rain
August is one of Mornington Peninsula's wettest months, so rain is likely to be a major planning factor.
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
August4.8 hours average sun
August is below Mornington Peninsula's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August12°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
August25 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
Hotels near Mornington Peninsula, Australia
Marriott
Element Melbourne RichmondMelbourne, Victoria, Australia
AC Hotel Melbourne SouthbankMelbourne, Victoria, Australia
W MelbourneMelbourne, Victoria, Australia
Adelphi Hotel, a Member of Design HotelsMelbourne, Victoria, Australia
The Westin MelbourneMelbourne, Victoria, Australia
Sheraton Melbourne HotelMelbourne, Victoria, Australia