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Costa Rica Weather in May: Rain, Temperatures

Limon Costa Rica weather in May
Average high temperature and rainfall for Limon Costa Rica in May. © Scott S. Bateman

Costa Rica weather in May gets much wetter on both the Caribbean and Pacific coasts. May is not a good month to visit either destination.

Costa Rica has two popular cruise ports. One is Limon on the Caribbean coast and the other is Puntarenas on the Pacific coast.

Limon Weather in May

Limon has an average rainfall of 13 inches in May, according to the Costa Rica National Meteorological Institute. It rains an average of 18 days during the month. When it does rain, the rainfall is heavy.

Rainfall is a big jump from the low point of six inches in September and eight inches in March. Limon is one of the rainiest destinations in the Caribbean region.

Limon temperatures in May stay comfortable with an average high of 87 degrees Fahrenheit or about 31 Celsius. The average low is 73 Fahrenheit or 23 Celsius.

April is the final month of an annual dry season that begins in December. May is the beginning of the annual Costa Rica rainy season that goes until November.

Puntarenas Weather in May

The change in weather from April to May is much more drastic at the Pacific cruise port of Puntarenas.

Average rainfall leaps from about one inch in April to eight inches in May, historical records from the meteorological institute show. The total days with rain jumps as well from eight to 19.

Puntarenas is much warmer throughout the year than Limon. Average high temperatures reach into the mid 90s Fahrenheit during the winter. They actually drop to about 92 degrees Fahrenheit or 33 Celsius in May. The average low is 75 degrees Fahrenheit or 24 Celsius.

San Jose Weather in May

The country’s capital at San Jose in the interior is closer to Puntarenas than Limon, so it has similar weather to Puntarenas. Rainfall averages nine inches in May, up from about two inches in April.

But it is slightly cooler than Puntarenas. The average high temperature in San Jose during May is 79 degrees Fahrenheit or 26 Celsius. The average low is 63 degrees Fahrenheit or 17 Celsius.

Anyone who wants to visit Costa Rica on a cruise or for a longer overnight vacation should avoid the country’s weather in May. Limon is best in March and Puntarenas is best from December through April.

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Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas. He is the author of four books about cruising in the Caribbean, Alaska and Mexican Riviera.
April 11, 2024

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