Itanhaém Weather in March
What's the weather like in Itanhaém (São Paulo) in March 2025?
The climate in Itanhaém during March can be summarized as hot, humid and very wet.
March is in the fall / autumn in Itanhaém and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 28.7°C 83.7°F |
|---|---|
| Nightly temperature | 20.1°C 68.2°F |
| Average temperature | 24.4°C 75.9°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 281 mm 11 ins |
| Rainy days | 19 days |
| Sea temperature | 26.4°C 79.5°F |
| Humidity | 82% |
| Windspeed | 8.6kph 5 mph |
On average March is the 3rd wettest month of the year in Itanhaém with around 281mm 11 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
March temperatures in Itanhaém
March rainfall
March 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 Itanhaém in March 2025.
Other monthly averages
Itanhaém weather stats
| Hottest month: | February | 28.6°C 83.5°F |
|---|---|---|
| Driest month: | July | 96mm 3.8ins |
| Sunniest month: | July | 5.3hrs |
| Coldest month: | July | 22.5°C 72.5°F |
| Wettest month: | February | 311mm 12.2ins |
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