Rio Grande Weather in December
What's the weather like in Rio Grande (Rio Grande do Sul) in December 2024?
The climate in Rio Grande during December can be summarized as warm, humid and reasonably dry.
December is in the summer in Rio Grande and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 26.1°C 79°F |
|---|---|
| Nightly temperature | 17.9°C 64.2°F |
| Average temperature | 22°C 71.6°F |
| Daily sunshine | 9.6 hrs |
| Avg rainfall | 66 mm 2.6 ins |
| Rainy days | 13 days |
| Sea temperature | 21.8°C 71.2°F |
| Humidity | 76% |
| Windspeed | 12.6kph 8 mph |
On average December is the driest month of the year in Rio Grande with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
December temperatures in Rio 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 Rio Grande in December 2024.
Other monthly averages
Best places to visit in December
Rio Grande weather stats
| Hottest month: | January | 27.5°C 81.5°F |
|---|---|---|
| Driest month: | December | 66mm 2.6ins |
| Sunniest month: | December | 9.6hrs |
| Coldest month: | July | 16.1°C 61°F |
| Wettest month: | July | 131mm 5.2ins |
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