Cool
Average highs are around 13°C, so pack for cooler days.
Weather Guide
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 837mm. Sea temperatures average 15°C across the year.
Annual averages
Temp
17°C
Rain
837mm
Annual total
Sun
6.3h
Sea
15°C
Weather score
36
Poor avg
Cool
Average highs are around 13°C, so pack for cooler days.
Showers
Rainfall averages 82mm, so some wet days are possible.
Limited sun
Sunshine averages 4.4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare St Helens (Tasmania), Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
July13°C average high
July 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.
July82mm average rain
July is wetter than St Helens (Tasmania)'s yearly average, so flexible plans matter more.
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.
July4.4 hours average sun
July is one of St Helens (Tasmania)'s cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
July13°C average sea
July 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.
July23 weather score
July 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.