San Juan Weather in April
What's the weather like in San Juan (San Juan) in April 2025?
The climate in San Juan during April can be summarized as mild and very dry.
April is in the fall / autumn in San Juan and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 24.2°C 75.6°F |
|---|---|
| Nightly temperature | 9°C 48.2°F |
| Average temperature | 16.6°C 61.9°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 4 mm 0.2 ins |
| Rainy days | 2 days |
| Sea temperature | 17.6°C 63.6°F |
| Humidity | 61% |
| Windspeed | 6.8kph 4 mph |
On average April is the 6th driest month of the year in San Juan with around 4mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
April temperatures in San Juan
April rainfall
April 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 April 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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