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Ostional weather in May (Guanacaste, Costa Rica)

What weather conditions can you expect in Ostional this May? Check out our in-depth weather guide for this month.

Temperatures

The typical weather for May in Ostional includes very high temperatures and heavy rainfall. The daytime often sees temperatures reaching 30°C, but nighttime brings a cool-down to 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Precipitation

Ostional in May falls under the rainy season with heavy rainfall, averaging around 327 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 17 days of the month will see rainfall.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Ostional. January, February and March typically offer the best circumstances. While May, June, July, August, September and October tend to showcase less optimal conditions.

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

 

Ostional, monthly averages in May

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 57%  
PrecipitationPrecipitation 327 mm  
Rainy daysRainy days 17 days  

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.

Map not visible? Whoops sorry! Please refresh the page.
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?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

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

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.