Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Mount Gambier, Australia Average Monthly Weather
Weather score39Poor 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 765mm. Sea temperatures average 16°C across the year.
Annual weather
Annual averages
Temp
19°C
Rain
765mm
Annual total
Sun
6.1h
Sea
16°C
Weather score
39
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, 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 14°C, so the water can feel cool.
Map
Weather map
Compare Mount Gambier, 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
August104mm average rain
August is one of Mount Gambier's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to March 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 Mount Gambier'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
August14°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
August24 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 February
These months have the strongest weather score in the monthly averages.