Daytime highs, nighttime lows and the warmest cities in Alajuela, Costa Rica this March.
Alajuela, Costa Rica, a region in Costa Rica, experiences maximum daytime temperatures in March ranging from 25°C (77°F) in Río Segundo to 31°C (88°F) in San Mateo. Nighttime temperatures generally drop to 21°C (70°F) in San Mateo and 16°C (61°F) in Río Segundo.
Curious about the March temperatures in the prime spots of Alajuela? Navigate the map below and tap on a destination dot for more detailed stats.
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Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Alajuela.
Marker color shows the average daytime high temperature in March: blue is cold, red is hot.
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Fortuna averages a daytime high of 29°C (84°F) in March, which is high for Alajuela, Costa Rica.
Average overnight lows in Alajuela, Costa Rica during March sit near 20°C (68°F) in Fortuna.
Data insights from our comprehensive database indicate that San Mateo is the city with the highest warmth. Daytime peaks average near 31°C (88°F), while the nights are characterized by a low temperature close to 21°C (70°F).
Our database indicates that in March, Río Segundo is the city with the coolest temperatures in Alajuela, Costa Rica. You can expect daytime highs of 25°C (77°F) and nighttime lows close to 16°C (61°F).
Fortuna enjoys approximately 282 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
We have much more information about the climate in Alajuela.
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