Osa Peninsula Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in the Osa Peninsula, Costa Rica in May.

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Puerto Jiménez Carate

Considering a trip to the Osa Peninsula, Costa Rica this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Osa Peninsula in May

The Osa Peninsula, Costa Rica is a region in Costa Rica. May in the Osa Peninsula generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Puerto Jiménez. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

For a closer look at conditions across the Osa Peninsula, Costa Rica, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From heavy rainfall in Puerto Jiménez with an average of 425 mm (17 in) to heavy rainfall in Carate with 467 mm (18 in).

Explore the Osa Peninsula by month

Pick a month to see the average temperature, rainfall and sunshine in the Osa Peninsula — and find the best time to visit. (based on Puerto Jiménez)

January29°C (84°F) February29°C (84°F) March30°C (86°F) April30°C (86°F) May29°C (84°F) June29°C (84°F) This monthJuly29°C (84°F) August29°C (84°F) September29°C (84°F) October28°C (82°F) November28°C (82°F) December28°C (82°F)
Best Time to Visit the Osa Peninsula →

Best Places to Visit in the Osa Peninsula in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Osa Peninsula.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Osa Peninsula

What is the weather like in May for some of the most popular destinations in the Osa Peninsula, Costa Rica?

Temperature range in the Osa Peninsula (May)

Precipitation variation in the Osa Peninsula (May)

Puerto Jiménez

In May Puerto Jiménez generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
180 mm (7.1 in)
425 mm (17 in)
433 mm (17 in)
Monthly rainy days
9 days
18 days
21 days
Weather conditions
tolerable
poor
poor
Climate in Puerto Jiménez →

Carate

In May Carate generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
219 mm (8.6 in)
467 mm (18 in)
496 mm (20 in)
Monthly rainy days
9 days
18 days
21 days
Weather conditions
poor
poor
poor
Climate in Carate →

Is your destination not in the list? Have a look at all destinations in the Osa Peninsula, in Costa Rica.

In our records: Costa Rica May extremes

Notable May records observed across cities in Costa Rica in our climate database (1994 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in Costa Rica reached 40°C (104°F) in Sámara on May 13, 1998.
  • In our records, the coldest May daytime high in Costa Rica was 19°C (66°F) in Puntarenas on May 29, 2008.

Popular cities in May

Day & night temperatures, rainfall and average weather in the Osa Peninsula in May.

City Weather Day temp Night temp Rainfall
Puerto Jiménez 29°C (84°F) 25°C (77°F) 425 mm (17 in)
Carate 29°C (84°F) 25°C (77°F) 467 mm (18 in)

The Osa Peninsula weather in May: frequently asked questions

What is the weather like in the Osa Peninsula, Costa Rica in May?

May in the Osa Peninsula, Costa Rica brings poor weather. In Puerto Jiménez, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 25°C (77°F).

What is the average temperature in the Osa Peninsula, Costa Rica in May?

Average temperatures in the Osa Peninsula, Costa Rica during May range from a nighttime low near 25°C (77°F) to a daytime high around 29°C (84°F) in Puerto Jiménez.

Does the Osa Peninsula, Costa Rica get a lot of rain in May?

Yes. May brings heavy rainfall to the Osa Peninsula, Costa Rica, with Puerto Jiménez averaging around 425 mm (17 in). Expect frequent showers and pack accordingly.

Is May a Good Time to Visit the Osa Peninsula, Costa Rica?

In our view, May might not be the best time to travel to the Osa Peninsula, Costa Rica with often poor weather in Puerto Jiménez.

Generally speaking, January and February provide perfect weather in Puerto Jiménez. In contrast, 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 the Osa Peninsula.

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 travel conditions. Find out where to go with our weather planner.

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