The climate in Río Grande during August can be summarized as warm and a little damp.
August is in the summer in Río Grande and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 12°C (54°F) is normal.
Daytime temperature | 29.8°C 85.6°F |
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Nightly temperature | 12.3°C 54.1°F |
Average temperature | 21°C 69.8°F |
Daily sunshine | 7 hrs |
Avg rainfall | 99 mm 3.9 ins |
Rainy days | 9 days |
Sea temperature | 29.9°C 85.8°F |
Humidity | 63% |
Windspeed | 12.2kph 8 mph |
On average August is the wettest month of the year in Río Grande with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
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 Río Grande in August 2025.
Best places to visit in August
Hottest month: | June | 31.1°C 88°F |
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Driest month: | April | 4mm 0.2ins |
Sunniest month: | February | 8.6hrs |
Coldest month: | January | 21°C 69.8°F |
Wettest month: | August | 99mm 3.9ins |