San Juan Weather in March
What's the weather like in San Juan (San Juan) in March 2025?
The climate in San Juan during March can be summarized as warm and dry.
March is in the fall / autumn in San Juan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 29°C 84.2°F |
|---|---|
| Nightly temperature | 14°C 57.2°F |
| Average temperature | 21.5°C 70.7°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 11 mm 0.4 ins |
| Rainy days | 4 days |
| Sea temperature | 19°C 66.2°F |
| Humidity | 57% |
| Windspeed | 7.2kph 5 mph |
On average March is the 3rd wettest month of the year in San Juan with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
March temperatures in San Juan
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 San Juan in March 2025.
Other monthly averages
San Juan weather stats
| Hottest month: | January | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | May | 2mm 0.1ins |
| Sunniest month: | November | 11.4hrs |
| Coldest month: | July | 15.3°C 59.5°F |
| Wettest month: | January | 19mm 0.7ins |
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