Posadas Weather in August
What's the weather like in Posadas (Misiones) in August 2025?
The climate in Posadas during August can be summarized as mild and a little damp.
August is in the winter in Posadas and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 23.4°C 74°F |
|---|---|
| Nightly temperature | 11.7°C 53°F |
| Average temperature | 17.5°C 63.5°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 9 days |
| Sea temperature | 17.4°C 63.3°F |
| Humidity | 74% |
| Windspeed | 11.9kph 7 mph |
On average August is the driest month of the year in Posadas with around 96mm 3.8 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 6 hours of sunshine per day.
August temperatures in Posadas
August rainfall
August 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 Posadas in August 2025.
Other monthly averages
Best places to visit in August
Posadas weather stats
| Hottest month: | January | 32.1°C 89.8°F |
|---|---|---|
| Driest month: | August | 96mm 3.8ins |
| Sunniest month: | November | 8.5hrs |
| Coldest month: | July | 21.4°C 70.5°F |
| Wettest month: | October | 180mm 7.1ins |
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