Cooma weather in December 2025

Expect daytime maximum temperatures of 72°F in Cooma, New South Wales in December based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 2.1 inches of rainfall in the month.

  • 72°F maximum daytime temperature in December in Cooma72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in December in Cooma12
    12 days with some rainfall
  • 48°F minimum night-time temperature in December in Cooma48
    48°F min night temperature
  • 15 hours of daylight per day in December in Cooma15
    15 hours of daylight per day
  • No heat & humidity in December in Cooma0
    No heat & humidity
  • 2.1 inches monthly rainfall in December in Cooma2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Cooma11
    11+ (Extreme) UV index

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The December weather guide for New South Wales (Cooma) 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 Cooma in December?

Daytime temperatures usually reach 79°F in Cooma in December with low heat and humidity, falling to 64°F at night.

How sunny is it in Cooma in December?

There are normally 8 hours of bright sunshine each day in Cooma in December - that's 54% of daylight hours.

How warm is the sea around Cooma in December?

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

Does it rain in Cooma in December?

There are usually 10 days with some rain in Cooma in December and the average monthly rainfall is 3.4 inches.

Cooma December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 04:40 19:06
Tuesday, 16th December 2025 04:41 19:18
Wednesday, 31st December 2025 04:49 19:24

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