San Juan Weather in April
What's the weather like in San Juan (Alajuela) in April 2024?
The climate in San Juan during April can be summarized as warm, humid and damp.
April is in the spring in San Juan and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 26.6°C 79.9°F |
|---|---|
| Nightly temperature | 17.6°C 63.7°F |
| Average temperature | 22.1°C 71.8°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 109 mm 4.3 ins |
| Rainy days | 10 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 78% |
| Windspeed | 18.7kph 12 mph |
On average April is the 5th driest month of the year in San Juan with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 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 2024.
Other monthly averages
San Juan weather stats
| Hottest month: | April | 26.4°C 79.5°F |
|---|---|---|
| Driest month: | February | 15mm 0.6ins |
| Sunniest month: | February | 7.7hrs |
| Coldest month: | January | 24.1°C 75.4°F |
| Wettest month: | September | 498mm 19.6ins |
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