Carnarvon Weather in December
What's the weather like in Carnarvon (Western Australia) in December 2025?
The climate in Carnarvon during December can be summarized as hot and arid.
December is in the summer in Carnarvon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 30°C (86°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 30°C 86°F |
|---|---|
| Nightly temperature | 20.3°C 68.6°F |
| Average temperature | 25.2°C 77.3°F |
| Daily sunshine | 12.9 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 2 days |
| Sea temperature | 23.7°C 74.7°F |
| Humidity | 55% |
| Windspeed | 25.2kph 16 mph |
On average December is the driest month of the year in Carnarvon with around 0mm 0 inches of rain making it a arid time to visit.
On the flip side this corresponds to an average of 12.9 hours of sunshine per day.
December temperatures in Carnarvon
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 Carnarvon in December 2025.
Other monthly averages
Best places to visit in December
Carnarvon weather stats
| Hottest month: | February | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | December | 0mm 0ins |
| Sunniest month: | October | 12hrs |
| Coldest month: | July | 21.7°C 71.1°F |
| Wettest month: | June | 48mm 1.9ins |
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