Ostional Weather in May
With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), May in Ostional brings very high temperatures during the day. Do keep in mind that May is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Ostional in May
As part of the rainy season, Ostional sees around 17 days of rain in May, with an average of 327 mm (13 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Ostional in May
Temperatures in Ostional in May top out at 30°C (86°F) and drop to 25°C (77°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Ostional. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Ostional's climate page.
Ostional Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
57%
Precipitation
327 mm (13 in)
Rainy days
17 days
Best Places 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. See all of Costa Rica in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ostional in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Ostional in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Ostional's climate page.
See the full Ostional climate overview or explore weather in Costa Rica.
