The climate in San Juan during March can be summarized as mild and wet.
March is in the fall / autumn in San Juan and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 8°C (46°F) is normal.
Daytime temperature | 19.3°C 66.7°F |
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Nightly temperature | 7.5°C 45.5°F |
Average temperature | 13.4°C 56.1°F |
Daily sunshine | 4.5 hrs |
Avg rainfall | 126 mm 5 ins |
Rainy days | 18 days |
Sea temperature | 22.9°C 73.2°F |
Humidity | 78% |
Windspeed | 13.7kph 9 mph |
On average March is the wettest month of the year in San Juan with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 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 San Juan in March 2024.
Hottest month: | November | 20.2°C 68.4°F |
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Driest month: | July | 11mm 0.4ins |
Sunniest month: | July | 7.5hrs |
Coldest month: | July | 19.3°C 66.7°F |
Wettest month: | March | 126mm 5ins |