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

What kind of weather does May bring to San José? Check out this detailed guide to the month’s weather conditions.

Temperatures

Typically, May in San José includes high temperatures and heavy rainfall. As the day progresses, temperatures can peak at 25°C. Luckily at nightfall, they typically drop to 17°C.

Precipitation

San José in May falls under the rainy season with heavy rainfall, averaging around 403 mm for the month. When we look at the climate data from the last 30 years, you can expect around 19 days of rain.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 183 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit San José. January, February and March generally stand out with 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 José climate page with graphs.

 

San José, monthly averages in May

Min Temperature 17°C  

Max Temperature 25°C  

Chance of Rain 64%  

Precipitation 403 mm  

Rainy days 19 days  

Humidity 77%  

Sunshine 183 hours  

Percentage Sunshine  

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 José, 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

7/10

Camping

6/10

Interested in more climate information?

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

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.