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

Interested in knowing the climate of San Isidro in May? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

The month of May in San Isidro typically includes high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 24°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 18°C.

Precipitation

San Isidro in May falls under the rainy season with heavy rainfall, averaging around 582 mm for the month. Looking at the last 30 years, the data shows about 19 days with rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 190 hours of sunshine. Making it a pleasant time to visit San Isidro.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit San Isidro. January, February and March typically offer the most agreeable circumstances. On the other hand, May, June, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.

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

 

San Isidro, monthly averages in May

Min Temperature 18°C  

Max Temperature 24°C  

Chance of Rain 64%  

Precipitation 582 mm  

Rainy days 19 days  

Humidity 82% *  

Sunshine 190 hours *  

Percentage Sunshine *  

Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Where to go in Costa Rica in May

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

Weather conditions Weather

Temperatures

Precipitation

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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.

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.