Daytime highs, nighttime lows and the warmest cities in Guanacaste, Costa Rica this March.
Guanacaste, Costa Rica, a region in Costa Rica, experiences maximum daytime temperatures in March ranging from 30°C (86°F) in Nuevo Arenal to 35°C (95°F) in Nicoya. Nighttime temperatures generally drop to 23°C (73°F) in Nicoya and 20°C (68°F) in Nuevo Arenal.
To get a sense of March's typical temperatures in the key spots of Guanacaste, explore the map below. Click on a point for an in-depth look.
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 March: blue is cold, red is hot.
Pick a city to see its March weather averages.
Drill down to March weather for any region in Costa Rica.
Expect daytime temperatures around 33°C (91°F) in Tamarindo. That makes March a very high month for Guanacaste, Costa Rica.
Average overnight lows in Guanacaste, Costa Rica during March sit near 25°C (77°F) in Tamarindo.
From a thorough analysis of our records, Nicoya clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 35°C (95°F), and evenings that remain near 23°C (73°F).
Our database indicates that in March, Nuevo Arenal is the city with the coolest temperatures in Guanacaste, Costa Rica. You can expect daytime highs of 30°C (86°F) and nighttime lows close to 20°C (68°F).
Tamarindo usually sees around 305 hours of sunlight, indicating many sunny days.
We have much more information about the climate in Guanacaste.
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