Costa Rica weather in May

Are you planning a trip to Costa Rica in May and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Costa Rica in May?

In May, Costa Rica experiences a range of weather conditions, with temperatures that range from warm to very warm and heavy precipitation.

The average highest temperatures fluctuate between warm in Orosí at 23°C to very warm in Santa Cruz at 34°C. Nighttime temperatures generally drop to 25°C in Santa Cruz and 15°C in Orosí.

In May, precipitation varies across different areas. From heavy rainfall in Playa el Jobo with an average of 177 mm to heavy rainfall in Matapalo with 787 mm. The city Jacó usually sees around 203 hours of sunlight, indicating many sunny days.

For a closer look at May's conditions in Costa Rica, see the map below. For a more detailed look at Costa Rica's yearly weather, check out our Costa Rica climate page.

Where to go in Costa Rica in May

Find the average weather conditions in May for the most popular destinations in Costa Rica on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in Costa Rica

What is the weather like in May for the 5 most popular destinations in Costa Rica?

Average weather in Jacó

In May Jacó generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Jacó
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
29°C 
25°C 
255 hours 
167 mm 
8 days 
29°C 
25°C 
203 hours 
491 mm 
17 days 
poor 
June   >> June
>>  
29°C 
25°C 
156 hours 
541 mm 
22 days 
poor 
Climate in Jacó

Average weather in San José

In May San José generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 17°C and heavy monthly rainfall. So on average the conditions are poor that month.

San José
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
26°C 
16°C 
241 hours 
123 mm 
11 days 
25°C 
17°C 
183 hours 
403 mm 
19 days 
poor 
June   >> June
>>  
25°C 
17°C 
145 hours 
455 mm 
24 days 
poor 
Climate in San José

Average weather in Tamarindo

In May Tamarindo generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Tamarindo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
33°C 
26°C 
265 hours 
36 mm 
7 days 
32°C 
26°C 
204 hours 
242 mm 
17 days 
poor 
June   >> June
>>  
31°C 
25°C 
167 hours 
286 mm 
22 days 
poor 
Climate in Tamarindo

Average weather in Puerto Viejo

In May Puerto Viejo generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Puerto Viejo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
29°C 
24°C 
174 hours 
202 mm 
9 days 
29°C 
25°C 
171 hours 
399 mm 
18 days 
poor 
June   >> June
>>  
29°C 
25°C 
133 hours 
424 mm 
22 days 
poor 
Climate in Puerto Viejo

Average weather in Fortuna

In May Fortuna generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are poor that month.

Fortuna
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
30°C 
20°C 
255 hours 
64 mm 
9 days 
29°C 
21°C 
203 hours 
274 mm 
18 days 
poor 
June   >> June
>>  
29°C 
21°C 
156 hours 
330 mm 
23 days 
poor 
Climate in Fortuna

Is your destination not in the list? Have a look at other destinations in Costa Rica.

Is May the best time to visit Costa Rica?

In our opinion, May may not be the ideal time to visit Costa Rica due to the typically poor weather in Jacó.

Generally speaking, the best visiting conditions can be found in January and February offering mostly perfect weather in Jacó. On the other hand, the months of May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Costa Rica. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed 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 climate conditions. Find out where to go with our weather planner.