The climate in Castro Barros during March can be summarized as hot and reasonably dry.
March is in the fall / autumn in Castro Barros and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 18°C (64°F) is normal.
Daytime temperature | 29.9°C 85.8°F |
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Nightly temperature | 17.9°C 64.2°F |
Average temperature | 23.9°C 75°F |
Daily sunshine | 8.3 hrs |
Avg rainfall | 66 mm 2.6 ins |
Rainy days | 7 days |
Sea temperature | 20.3°C 68.5°F |
Humidity | 68% |
Windspeed | 7.2kph 5 mph |
On average March is the 4th wettest month of the year in Castro Barros with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 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 Castro Barros in March 2025.
Hottest month: | January | 33.8°C 92.8°F |
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Driest month: | June | 2mm 0.1ins |
Sunniest month: | August | 8.2hrs |
Coldest month: | July | 19.3°C 66.7°F |
Wettest month: | January | 94mm 3.7ins |