Roxby Downs Weather in December
What's the weather like in Roxby Downs (South Australia) in December 2025?
The climate in Roxby Downs during December can be summarized as hot and dry.
December is in the summer in Roxby Downs and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 33°C (91°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 32.8°C 91°F |
|---|---|
| Nightly temperature | 17°C 62.6°F |
| Average temperature | 24.9°C 76.8°F |
| Daily sunshine | 11.2 hrs |
| Avg rainfall | 18 mm 0.7 ins |
| Rainy days | 5 days |
| Sea temperature | 20.8°C 69.5°F |
| Humidity | 29% |
| Windspeed | 14.8kph 9 mph |
On average December is the 4th wettest month of the year in Roxby Downs with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
December temperatures in Roxby Downs
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 Roxby Downs in December 2025.
Other monthly averages
Best places to visit in December
Roxby Downs weather stats
| Hottest month: | January | 34.1°C 93.4°F |
|---|---|---|
| Driest month: | June | 12mm 0.5ins |
| Sunniest month: | March | 10.5hrs |
| Coldest month: | July | 16.8°C 62.2°F |
| Wettest month: | February | 22mm 0.9ins |
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