Guanacaste weather in August

Considering a trip to Guanacaste this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Guanacaste in August?

Guanacaste is a region in Costa Rica. August in Guanacaste generally has temperatures that range from warm to very warm, with heavy precipitation.

During the day temperatures vary from warm in Puerto Coyote at 29°C to very warm in Nicoya at 32°C. At night it cools down to 23°C in Nicoya and 25°C in Puerto Coyote. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

In August, precipitation varies across different areas. From heavy rainfall in Puerto Soley with an average of 171 mm to heavy rainfall in Sámara with 382 mm. The city Tamarindo usually sees around 183 hours of sunlight, indicating a moderately sunny period.

To learn more about the conditions in specific areas of Guanacaste in August, check out the map below. For more details on the yearly weather, visit our Guanacaste climate page.

Where to go in Guanacaste in August

Find the average weather conditions in August for the most popular destinations in Guanacaste on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Guanacaste

What is the weather like in August for the 5 most popular destinations in Guanacaste?

Average weather in Tamarindo

In August Tamarindo generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Tamarindo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C 
25°C 
188 hours 
182 mm 
20 days 
31°C 
25°C 
183 hours 
250 mm 
21 days 
poor 
30°C 
25°C 
158 hours 
331 mm 
23 days 
poor 
Climate in Tamarindo

Average weather in Coco

In August Coco generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Coco
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C 
25°C 
188 hours 
135 mm 
20 days 
31°C 
25°C 
183 hours 
181 mm 
21 days 
30°C 
25°C 
158 hours 
286 mm 
23 days 
poor 
Climate in Coco

Average weather in Playa Flamingo

In August Playa Flamingo generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Playa Flamingo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C 
25°C 
188 hours 
151 mm 
20 days 
31°C 
25°C 
183 hours 
206 mm 
21 days 
poor 
30°C 
25°C 
158 hours 
296 mm 
23 days 
poor 
Climate in Playa Flamingo

Average weather in Sámara

In August Sámara generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.

Sámara
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
30°C 
24°C 
329 mm 
20 days 
poor 
30°C 
24°C 
382 mm 
21 days 
poor 
29°C 
24°C 
436 mm 
23 days 
poor 
Climate in Sámara

Average weather in Playa Grande

In August Playa Grande generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Playa Grande
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C 
25°C 
188 hours 
175 mm 
20 days 
31°C 
25°C 
183 hours 
241 mm 
21 days 
poor 
30°C 
25°C 
158 hours 
324 mm 
23 days 
poor 
Climate in Playa Grande

Is your destination not in the list? Have a look at other destinations in Guanacaste, in Costa Rica.

Is August the best time to visit Guanacaste?

In our view, August might not be the best time to travel to Guanacaste with often poor weather in Tamarindo.

On average, the best time to visit Guanacaste is in January, February, March and December with generally perfect weather in Tamarindo. On the other hand, the weather in May, June, August, September and October tend to be poor.

Interested in more climate information?

We have much more information about the climate in Guanacaste. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.