Três Barras Weather in December
What's the weather like in Três Barras (Santa Catarina) in December 2025?
The climate in Três Barras during December can be summarized as warm, humid and wet.
December is in the summer in Três Barras and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 15°C (58°F) is normal.
| Daytime temperature | 26.7°C 80.1°F |
|---|---|
| Nightly temperature | 14.5°C 58.1°F |
| Average temperature | 20.6°C 69.1°F |
| Daily sunshine | 4.5 hrs |
| Avg rainfall | 121 mm 4.8 ins |
| Rainy days | 22 days |
| Sea temperature | 24.1°C 75.4°F |
| Humidity | 78% |
| Windspeed | 10.8kph 7 mph |
On average December is the 4th wettest month of the year in Três Barras with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 hours of sunshine per day.
December temperatures in Três Barras
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 Três Barras in December 2025.
Other monthly averages
Best places to visit in December
Três Barras weather stats
| Hottest month: | January | 27°C 80.6°F |
|---|---|---|
| Driest month: | April | 80mm 3.1ins |
| Sunniest month: | July | 3.9hrs |
| Coldest month: | July | 18.5°C 65.3°F |
| Wettest month: | January | 147mm 5.8ins |
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