Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
December verdict
Great Barrier Reef, Australia in December
Weather score73Very good
Very good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 8.9h per day, so bright days are a strong part of the month. Rainfall averages 111mm, so some wet days are possible.
December weather
Monthly averages
Temp
32°C
Rain
111mm
Sun
8.9h
Sea
28°C
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 111mm, so some wet days are possible.
Bright
Sunshine averages 8.9h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Great Barrier Reef, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December32°C average high
December is one of Great Barrier Reef's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
December111mm average rain
December sits near Great Barrier Reef's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December8.9 hours average sun
December is brighter than Great Barrier Reef's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsSeptember to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
December73 weather score
December sits close to Great Barrier Reef's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril and September to November
These months have the strongest weather score in the monthly averages.