Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
December verdict
Whitsunday Islands, Australia in December
Weather score71Very good
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 9h per day, so bright days are a strong part of the month. Rainfall averages 170mm, so some wet days are possible.
December weather
Monthly averages
Temp
31°C
Rain
170mm
Sun
9h
Sea
28°C
Weather score
71
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 170mm, so some wet days are possible.
Bright
Sunshine averages 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 Whitsunday Islands, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December31°C average high
December is one of Whitsunday Islands' 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
December170mm average rain
December sits near Whitsunday Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December9 hours average sun
December is brighter than Whitsunday Islands' 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 is one of Whitsunday Islands' warmest sea months, when swimming comfort is usually strongest.
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
December71 weather score
December sits close to Whitsunday Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsSeptember to November
These months have the strongest weather score in the monthly averages.