Tennant Creek Weather in December
What's the weather like in Tennant Creek (Northern Territory) in December 2025?
The climate in Tennant Creek during December can be summarized as very hot and a little damp.
December is in the summer in Tennant Creek and is typically the warmest month of the year. Daytime maximum temperatures average around a hot 38°C (100°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 37.6°C 99.6°F |
|---|---|
| Nightly temperature | 25.1°C 77.1°F |
| Average temperature | 31.3°C 88.3°F |
| Daily sunshine | 10.4 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 7 days |
| Sea temperature | 28.6°C 83.5°F |
| Humidity | 30% |
| Windspeed | 14kph 9 mph |
On average December is the 4th wettest month of the year in Tennant Creek with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.4 hours of sunshine per day.
December temperatures in Tennant Creek
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Tennant Creek in December 2025.
Other monthly averages
Best places to visit in December
Tennant Creek weather stats
| Hottest month: | December | 37.3°C 99.1°F |
|---|---|---|
| Driest month: | August | 2mm 0.1ins |
| Sunniest month: | July | 10.9hrs |
| Coldest month: | July | 24.2°C 75.6°F |
| Wettest month: | January | 169mm 6.7ins |
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