Porto Alegre Weather in December
What's the weather like in Porto Alegre (Rio Grande do Sul) in December 2024?
The climate in Porto Alegre during December can be summarized as hot, humid and damp.
December is in the summer in Porto Alegre and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 19°C (65°F) is normal.
| Daytime temperature | 28.3°C 82.9°F |
|---|---|
| Nightly temperature | 18.5°C 65.3°F |
| Average temperature | 23.4°C 74.1°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 101 mm 4 ins |
| Rainy days | 16 days |
| Sea temperature | 22.6°C 72.7°F |
| Humidity | 71% |
| Windspeed | 10.4kph 7 mph |
On average December is the 3rd driest month of the year in Porto Alegre with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
December temperatures in Porto Alegre
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 Porto Alegre in December 2024.
Other monthly averages
Best places to visit in December
Porto Alegre weather stats
| Hottest month: | January | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | April | 92mm 3.6ins |
| Sunniest month: | December | 8.4hrs |
| Coldest month: | June | 18.6°C 65.5°F |
| Wettest month: | September | 141mm 5.6ins |
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