Cairns weather in December 2025

Expect daytime maximum temperatures of 31°C in Cairns, Queensland in December and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 188 mm of rainfall in the month.

  • 31°C maximum daytime temperature in December in Cairns31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in December in Cairns9
    9 days with some rainfall
  • 23°C minimum night-time temperature in December in Cairns23
    23°C min night temperature
  • 13 hours of daylight per day in December in Cairns13
    13 hours of daylight per day
  • High heat & humidity in December in CairnsH
    High heat & humidity
  • 188 mm monthly rainfall in December in Cairns188
    188 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Cairns11
    11+ (Extreme) UV index
  • 28°C sea temperature in December in Cairns28
    28°C sea temperature

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The December weather guide for Queensland (Cairns) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Cairns in December?

Daytime temperatures usually reach 31°C in Cairns in December with high heat and humidity, falling to 23°C at night.

How sunny is it in Cairns in December?

There are normally 8 hours of bright sunshine each day in Cairns in December - that's 59% of daylight hours.

How warm is the sea around Cairns in December?

The average sea temperature around Cairns in December is 28°C.

Does it rain in Cairns in December?

There are usually 9 days with some rain in Cairns in December and the average monthly rainfall is 188mm.

What is the chance of a cyclone in Cairns in December?

On average less than 1 day in December in Cairns is likely to be affected by the passage of one or more tropical storms.

Cairns December sunrise & sunset times

Browse the sunrise and sunset times for Cairns in December 2025. Select a month to view Cairns sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:34 18:38
Tuesday, 16th December 2025 05:38 18:47
Wednesday, 31st December 2025 05:46 18:54

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