Northern Territory weather in December 2025

Expect 33°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Northern Territory in December based on long-term weather averages. There is usually 10 days with some rainfall and 240 mm of average monthly rainfall in December.

  • 33°C maximum daytime temperature in December in Northern Territory (Darwin)33
    33°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in December in Northern Territory (Darwin)10
    10 days with some rainfall
  • 26°C minimum night-time temperature in December in Northern Territory (Darwin)26
    26°C min night temperature
  • 13 hours of daylight per day in December in Northern Territory (Darwin)13
    13 hours of daylight per day
  • Very high heat & humidity in December in Northern Territory (Darwin)VH
    Very High heat & humidity
  • 240 mm monthly rainfall in December in Northern Territory (Darwin)240
    240 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Northern Territory (Darwin)11
    11+ (Extreme) UV index
  • 31°C sea temperature in December in Northern Territory (Darwin)31
    31°C sea temperature

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The December weather guide for Northern Territory (Darwin) 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.

Top Northern Territory destinations

Below are average maximum temperatures at popular countries, regions and places in the Northern Territory in December. Select a holiday destination to see more weather parameters.

All Northern Territory destinations

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

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How hot is it in the Northern Territory in December?

Daytime temperatures usually reach 33°C in Darwin, Northern Territory in December with very high heat and humidity, falling to 26°C at night.

How sunny is it in the Northern Territory in December?

There are normally 7 hours of bright sunshine each day in Darwin, Northern Territory in December - that's 55% of daylight hours.

How warm is the sea around the Northern Territory in December?

The average sea temperature around Darwin, Northern Territory in December is 31°C.

Does it rain in the Northern Territory in December?

There are usually 10 days with some rain in Darwin, Northern Territory in December and the average monthly rainfall is 240mm.

What is the chance of a cyclone in the Northern Territory in December?

On average 1.3 days in December in Darwin, Northern Territory are likely to be affected by the passage of one or more tropical storms.

Northern Territory December sunrise & sunset times

Browse the sunrise and sunset times for Northern Territory in December 2025. Select a month to view Northern Territory sunrise and sunset times for the next 12 months. The Northern Territory sunrise and sunset times shown below are for Darwin.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:12 19:00
Tuesday, 16th December 2025 06:16 19:08
Wednesday, 31st December 2025 06:24 19:15

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