Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Mount William National Park, Australia Average Monthly Weather
Weather score37Poor annual avg
Best months: February, January, March
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.3h per day, and rainfall totals about 772mm. Sea temperatures average 15°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
772mm
Annual total
Sun
6.3h
Sea
15°C
Weather score
37
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 80mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Mount William National Park, 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
August80mm average rain
August is one of Mount William National Park's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April, June, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.1 hours average sun
August is below Mount William National Park's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August13°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 18°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
These months have the strongest weather score in the monthly averages.
