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San Isidro weather in April (San José, Costa Rica)

How's the weather trend in San Isidro as April approaches? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

The month of April in San Isidro typically brings high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 25°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 17°C.

Precipitation

San Isidro in April falls under the rainy season with heavy rainfall, averaging around 239 mm for the month. Looking at the last 30 years, the data shows about 11 days with rain.

Average sunshine

There are approximately 240 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you prefer dry days with pleasant temperatures, January, February and March typically offer the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Isidro climate page with graphs.

 

San Isidro, monthly averages in April

Min TemperatureMin Temperature 17°C  
Max TemperatureMax Temperature 25°C  
Chance of RainChance of Rain 35%  
PrecipitationPrecipitation 239 mm  
Rainy daysRainy days 11 days  
HumidityHumidity 79% *  
SunshineSunshine 240 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Where to go in Costa Rica in April

Find out more about the weather in Costa Rica and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to San Isidro, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Camping
6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Isidro.

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find historical weather averages for many cities in Costa Rica. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.