Cool
Average highs are around 12°C, so pack for cooler days.
Weather Guide
Best months: February, January, March
Across the year, average daytime temperatures are around 16°C, sunshine averages 5.8h per day, and rainfall totals about 959mm. Sea temperatures average 14°C across the year.
Annual averages
Temp
16°C
Rain
959mm
Annual total
Sun
5.8h
Sea
14°C
Weather score
31
Poor avg
Cool
Average highs are around 12°C, so pack for cooler days.
Showers
Rainfall averages 95mm, 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
Compare Port Arthur (Tasmania), Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
August12°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.
August95mm average rain
August is one of Port Arthur (Tasmania)'s wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April, June, and September to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August4.8 hours average sun
August is below Port Arthur (Tasmania)'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.
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 16°C in this stretch, so swimming comfort is at its strongest.
August22 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.