Daytime highs, nighttime lows and the warmest cities in Guanacaste, Costa Rica this July.
Guanacaste, Costa Rica, a region in Costa Rica, experiences maximum daytime temperatures in July ranging from 29°C (84°F) in Nuevo Arenal to 32°C (90°F) in Nicoya. Nighttime temperatures generally drop to 23°C (73°F) in Nicoya and 22°C (72°F) in Nuevo Arenal.
To get a sense of July'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 July: blue is cold, red is hot.
Pick a city to see its July weather averages.
Drill down to July weather for any region in Costa Rica.
Expect daytime temperatures around 31°C (88°F) in Tamarindo. That makes July a very high month for Guanacaste, Costa Rica.
After dark, Tamarindo cools to about 25°C (77°F) on an average July night.
Based on our systematic data collection, Nicoya has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 32°C (90°F), while at night it goes down to an approximate temperature of 23°C (73°F).
Our database indicates that in July, Nuevo Arenal is the city with the coolest temperatures in Guanacaste, Costa Rica. You can expect daytime highs of 29°C (84°F) and nighttime lows close to 22°C (72°F).
Most cities enjoy a balanced amount of sunshine, with around 188 hours of sunlight anticipated in Tamarindo. This ensures the days are neither too dim nor excessively sunny.
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.
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