December verdict

Mount Gambier, Australia in December

Weather score51Mixed

Mixed for holiday weather

Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 41mm, which is relatively low for holiday planning.

December weather

Monthly averages

Temp

23°C

Rain

41mm

Sun

7.8h

Sea

16°C

Weather score

51

Mixed

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 23°C, so days are mild rather than hot.

Drier

Rainfall averages 41mm, which is relatively low for holiday planning.

Some sun

Sunshine averages 7.8h per day, enough for a balanced month.

Cool sea

Sea temperatures average 16°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

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December23°C average high

December sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.

Warmest monthsJanuary to March and December

This stretch sets the upper range for average daytime heat.

December41mm average rain

December sits on the drier side of Mount Gambier's year, which helps with sightseeing and transfers.

Driest monthsJanuary to March and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

December7.8 hours average sun

December is brighter than Mount Gambier's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsJanuary to February and December

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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December16°C average sea

December is close to Mount Gambier's yearly sea-temperature average, so swimming comfort is fairly typical.

Warmest seaJanuary to April

Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.

Weather score

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December51 weather score

December scores above Mount Gambier's yearly average, so the overall weather mix is stronger than most months.

Best weather monthsJanuary to February

These months have the strongest weather score in the monthly averages.