Daytime highs, nighttime lows and the warmest cities in Alajuela, Costa Rica this May.
Alajuela, Costa Rica, a region in Costa Rica, experiences maximum daytime temperatures in May ranging from 26°C (79°F) in Birrí to 32°C (90°F) in Los Chiles. Nighttime temperatures generally drop to 24°C (75°F) in Los Chiles and 18°C (64°F) in Birrí.
Explore the map below to discover average May temperatures at the top destinations in Alajuela. For a deeper dive, simply click on any destination dot.
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Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
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Average daytime highs in Alajuela, Costa Rica during May reach about 29°C (84°F) in Fortuna.
After dark, Fortuna cools to about 21°C (70°F) on an average May night.
According to our recent database analysis, Los Chiles is the warmest city. It experiences an average maximum daytime temperature of approximately 32°C (90°F) and rarely drops below 24°C (75°F) during the night.
When looking through our records, we find that Birrí stands out as the coolest city in Alajuela, Costa Rica for the month of May. Daytime highs average 26°C (79°F) and it cools down to about 18°C (64°F) at night.
Fortuna usually sees around 203 hours of sunlight, indicating many sunny days.
We have much more information about the climate in Alajuela.
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