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 hot, humid and wet.
April is in the spring in San Juan and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 28.5°C 83.3°F |
|---|---|
| Nightly temperature | 21.3°C 70.3°F |
| Average temperature | 24.9°C 76.8°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 121 mm 4.8 ins |
| Rainy days | 14 days |
| Sea temperature | 26.7°C 80.1°F |
| Humidity | 72% |
| Windspeed | 15.8kph 10 mph |
On average April is the 4th driest month of the year in San Juan with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 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: | August | 30.2°C 86.4°F |
|---|---|---|
| Driest month: | March | 79mm 3.1ins |
| Sunniest month: | March | 9.6hrs |
| Coldest month: | February | 26.9°C 80.4°F |
| Wettest month: | August | 195mm 7.7ins |
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