Poás Volcano National Park Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Poás Volcano National Park, Costa Rica in May.

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Poasito Fraijanes

Thinking about venturing to Poás Volcano National Park, Costa Rica this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Poás Volcano National Park in May

Poás Volcano National Park, Costa Rica is a region in Costa Rica. May in Poás Volcano National Park generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 26°C (79°F) and nighttime temperatures around 18°C (64°F) in Poasito.

For specific regional insights in Poás Volcano National Park, Costa Rica, refer to the map provided below.

Precipitation

May is a very rainy month with an average rainfall of around 327 mm (13 in) in Poasito.

Average sunshine

Most areas see decent amounts of sunshine this month. Poasito gets around 183 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Poás Volcano National Park by month

Pick a month to see the average temperature, rainfall and sunshine in Poás Volcano National Park - and find the best time to visit. (based on Poasito)

January24°C (75°F) February25°C (77°F) March26°C (79°F) April27°C (81°F) May26°C (79°F) June26°C (79°F) This monthJuly26°C (79°F) August26°C (79°F) September26°C (79°F) October25°C (77°F) November25°C (77°F) December24°C (75°F)
Best Time to Visit Poás Volcano National Park →

Best Places to Visit in Poás Volcano National Park in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Poás Volcano National Park.

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 Poás Volcano National Park

What is the weather like in May for some of the most popular destinations in Poás Volcano National Park, Costa Rica?

Temperature range in Poás Volcano National Park (May)

Precipitation variation in Poás Volcano National Park (May)

Poasito

In May Poasito generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« April
May
June »
April
May
June
Max temperature
27°C (81°F)
26°C (79°F)
26°C (79°F)
Min temperature
17°C (63°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
241 hours
183 hours
145 hours
Monthly rainfall
100 mm (3.9 in)
327 mm (13 in)
362 mm (14 in)
Monthly rainy days
10 days
19 days
24 days
Weather conditions
very good
less favorable
less favorable
Climate in Poasito →

Fraijanes

In May Fraijanes generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« April
May
June »
April
May
June
Max temperature
27°C (81°F)
26°C (79°F)
26°C (79°F)
Min temperature
17°C (63°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
241 hours
183 hours
145 hours
Monthly rainfall
98 mm (3.9 in)
328 mm (13 in)
367 mm (14 in)
Monthly rainy days
10 days
19 days
24 days
Weather conditions
excellent
less favorable
less favorable
Climate in Fraijanes →

Is your destination not in the list? Have a look at all destinations in Poás Volcano National Park, 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 Poás Volcano National Park in May.

City Weather Day temp Night temp Rainfall
Poasito 26°C (79°F) 18°C (64°F) 327 mm (13 in)
Fraijanes 26°C (79°F) 18°C (64°F) 328 mm (13 in)

Poás Volcano National Park weather in May: frequently asked questions

What is the weather like in Poás Volcano National Park, Costa Rica in May?

May in Poás Volcano National Park, Costa Rica brings less favorable weather. In Poasito, daytime temperatures are typically around 26°C (79°F) and nighttime lows hover near 18°C (64°F).

What is the average temperature in Poás Volcano National Park, Costa Rica in May?

In Poasito, the average daytime high in May is 26°C (79°F), while nighttime temperatures drop to around 18°C (64°F).

Does Poás Volcano National Park, Costa Rica get a lot of rain in May?

Yes. May brings heavy rainfall to Poás Volcano National Park, Costa Rica, with Poasito averaging around 327 mm (13 in). Expect frequent showers and pack accordingly.

Is May a Good Time to Visit Poás Volcano National Park, Costa Rica?

Given the typically less favorable weather conditions in Poasito, May may not be the ideal time to visit Poás Volcano National Park, Costa Rica.

Generally speaking, February and March provide excellent weather in Poasito. In contrast, May, June, July, August, September, October and November tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Poás Volcano National Park.

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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