Katherine weather in December 2025

Q: How hot is it in Katherine in December?

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

Q: How sunny is it in Katherine in December?

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

Q: How warm is the sea around Katherine in December?

The average sea temperature around Katherine in December is 31°C.

Q: Does it rain in Katherine in December?

There are usually 10 days with some rain in Katherine in December and the average monthly rainfall is 240mm.

Q: What is the chance of a cyclone in Katherine in December?

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

Expect daytime maximum temperatures of 99°F in Katherine, Northern Territory in December and extreme heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 6.6 inches of rainfall in the month.

99
99°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
E
Extreme heat & humidity
6.6
6.6 inches of monthly rainfall
11
11+ (Extreme) UV index

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The December weather guide for Northern Territory (Katherine) 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)

More about Australia

How hot is it in Katherine in December?

Daytime temperatures usually reach 91°F in Katherine in December with very high heat and humidity, falling to 79°F at night.

How sunny is it in Katherine in December?

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

How warm is the sea around Katherine in December?

The average sea temperature around Katherine in December is 88°F.

Does it rain in Katherine in December?

There are usually 10 days with some rain in Katherine in December and the average monthly rainfall is 9.4 inches.

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

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

Katherine December sunrise & sunset times

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st December 2025	06:02	18:58
Tuesday, 16th December 2025	06:07	19:06
Wednesday, 31st December 2025	06:15	19:13

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Northern Territory - quick facts
Flight time^✝	22 hours
Time difference	UK +9.5 hours
Language(s)	English
Currency	Australian Dollar
Electricity	I plug (230V)
Driving side	Left
Visa^✝	Yes
Why visit?	Culture Nature
Tourist info	Tourism NT