Geraldton weather in December 2026

Expect daytime maximum temperatures of 86°F in Geraldton, Western Australia in December based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 86°F maximum daytime temperature in December in Geraldton86
    86°F max day temperature
  • 11 hours of sunshine per day
  • 3 days with some rainfall in December in Geraldton3
    3 days with some rainfall
  • 61°F minimum night-time temperature in December in Geraldton61
    61°F min night temperature
  • 14 hours of daylight per day in December in Geraldton14
    14 hours of daylight per day
  • Moderate heat & humidity in December in GeraldtonM
    Moderate heat & humidity
  • 0.2 inches monthly rainfall in December in Geraldton0.2
    0.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Geraldton11
    11+ (Extreme) UV index
  • 70°F sea temperature in December in Geraldton70
    70°F sea temperature

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The December weather guide for Western Australia (Geraldton) 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)  |  Imperial (°F)

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How hot is it in Geraldton in December?

Daytime temperatures usually reach 82°F in Geraldton in December with low heat and humidity, falling to 61°F at night.

How sunny is it in Geraldton in December?

There are normally 11 hours of bright sunshine each day in Geraldton in December - that's 77% of daylight hours.

How warm is the sea around Geraldton in December?

The average sea temperature around Geraldton in December is 70°F.

Does it rain in Geraldton in December?

There are usually 4 days with some rain in Geraldton in December and the average monthly rainfall is 0.5 inches.

Geraldton December sunrise & sunset times

Browse the sunrise and sunset times for Geraldton in December 2026. Select a month to view Geraldton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2026 05:16 19:06
Wednesday, 16th December 2026 05:18 19:16
Thursday, 31st December 2026 05:26 19:23

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