Daytime highs, nighttime lows and the warmest cities in Guanacaste, Costa Rica this May.
Guanacaste, Costa Rica, a region in Costa Rica, experiences maximum daytime temperatures in May ranging from 30°C (86°F) in Puerto Coyote to 33°C (91°F) in Liberia. Nighttime temperatures generally drop to 23°C (73°F) in Liberia and 25°C (77°F) in Puerto Coyote.
Explore the map below to discover average May temperatures at the top destinations in Guanacaste. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Guanacaste.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Pick a city to see its May weather averages.
Drill down to May weather for any region in Costa Rica.
Average daytime highs in Guanacaste, Costa Rica during May reach about 32°C (90°F) in Tamarindo.
After dark, Tamarindo cools to about 26°C (79°F) on an average May night.
Data insights from our comprehensive database indicate that Liberia is the city with the highest warmth. Daytime peaks average near 33°C (91°F), while the nights are characterized by a low temperature close to 23°C (73°F).
For the month of May, Puerto Coyote is the most temperate city in Guanacaste, Costa Rica based on our records. Highs average 30°C (86°F) and nighttime temperatures dip to around 25°C (77°F).
The weather is predominantly sunny, with an estimated total of around 204 hours of sunshine in Tamarindo. This means many sunny days, which creates a cheerful atmosphere during this month.
We have much more information about the climate in Guanacaste.
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.
Need travel inspiration? Check out our bucket list articles and be inspired.
Where the rain forest meets the ocean
I promise that you will not find a better location, better views, nicer rooms or lovelier staff anywhere in Costa Rica. This place really goes above and beyond.
Exploring Santa Teresa, Costa Rica: A Traveler's Guide
Immerse yourself in the laid-back charm of Santa Teresa, Costa Rica. Discover stunning beaches, vibrant dining spots, unique shops, and diverse activities in our comprehensive guide
Envision Festival
This event happens once a year in Uvita de Puntarenas and attracts people from all over the world. This festival is a must add to your bucket list.
Costa Rica Is Top Of The Happy Planet Index: Here's Why
Costa Rica has been crowned top of The Happy Planet Index — officially becoming the happiest, greenest country in the world. But what is it that makes this small but mighty Central American country so amazing?