Costa Rica Weather

The key to Costa Rica’s climate is its nearness to the equator. This proximity has two overriding consequences: first, it means that like all tropical countries, Costa Rica has wet and dry seasons; and second, it means temperatures in most places are pretty much the same year round.

The wet or “green” season, as locals call it, runs from May to November and is characterized by lush foliage, afternoon thunderstorms, and impassable conditions on some of the country’s unpaved roads. The dry season, by contrast, extends from December to April and coincides with the peak tourist times, as many North Americans take advantage of the Christmas holidays to escape to Costa Rica’s warm beaches and cloud forests. In certain areas, however—notably the Caribbean coast—you can count on rain year round.

Generally speaking, temperatures in Costa Rica vary with the elevation. Coastal cities like Puerto Limón, Puntarenas, and Nicoya remain in the 80’s more or less non-stop, while San José, at 3,800 feet, enjoys a kind of eternal spring, with its 70-odd degrees providing welcome relief from the extremes of the tropical climate. At higher elevations, it can get cool at night.

Average monthly temperatures (°F) and rainfall (inches) for select locations in Costa Rica are shown below.

Golfito

 MonthJanFebMarAprMayJunJulAugSepOctNovDec
High909292918989888888878789
Low707071727272727172727271
Rain547112020222325272210

Liberia

MonthJanFebMarAprMayJunJulAugSepOctNovDec
High929496979390909088888991
Low697071737474737372727170
Rain000181068141340

Nicoya

MonthJanFebMarAprMayJunJulAugSepOctNovDec
High939597989491919190888991
Low737374757575747474747373
Rain00011011810151450

Puerto Limon

MonthJanFebMarAprMayJunJulAugSepOctNovDec
High838384858585848486858483
Low727273747575757474747472
Rain13981111111612671516

Puntarenas

 MonthJanFebMarAprMayJunJulAugSepOctNovDec
High899192928988878787868687
Low767777787877767575767676
Rain0001810710121051

Quepos

MonthJanFebMarAprMayJunJulAugSepOctNovDec
High889090908987878787868687
Low727273747474737373737372
Rain2126151618182121146

San Jose

MonthJanFebMarAprMayJunJulAugSepOctNovDec
High757679798079777879777775
Low585859626262626161606058
Rain1012910810121262

Source: Weatherbase.

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