Arroio Grande Weather in December
What's the weather like in Arroio Grande (Rio Grande do Sul) in December 2024?
The climate in Arroio Grande during December can be summarized as warm, humid and reasonably dry.
December is in the summer in Arroio Grande and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (62°F) is normal.
| Daytime temperature | 27.6°C 81.7°F |
|---|---|
| Nightly temperature | 16.4°C 61.5°F |
| Average temperature | 22°C 71.6°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 73 mm 2.9 ins |
| Rainy days | 11 days |
| Sea temperature | 21.5°C 70.8°F |
| Humidity | 73% |
| Windspeed | 13.3kph 8 mph |
On average December is the driest month of the year in Arroio Grande with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
December temperatures in Arroio Grande
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 Arroio Grande in December 2024.
Other monthly averages
Best places to visit in December
Arroio Grande weather stats
| Hottest month: | January | 28.9°C 84°F |
|---|---|---|
| Driest month: | December | 73mm 2.9ins |
| Sunniest month: | December | 9.4hrs |
| Coldest month: | July | 17°C 62.6°F |
| Wettest month: | September | 127mm 5ins |
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