San Isidro weather in August (San José, Costa Rica)

Curious about the climate in San Isidro this August? Get all the weather information you need to plan your visit.

Temperatures

Typically, August in San Isidro includes high temperatures and heavy rainfall. During the day, temperatures usually reach up to 24°C. At night, they tend to fall to approximately 17°C.

Precipitation

San Isidro in August falls under the rainy season with heavy rainfall, averaging around 645 mm for the month. This month experiences about 23 days of rain according to historical data.

Average sunshine

Expect a moderate amount of sunlight, with approximately 152 hours. This means a pleasant mix of sun and clouds.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit San Isidro. January, February and March typically offer the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Isidro climate page with graphs.

 

San Isidro, monthly averages in August

Min Temperature 17°C  

Max Temperature 24°C  

Chance of Rain 78%  

Precipitation 645 mm  

Rainy days 23 days  

Humidity 82% *  

Sunshine 152 hours *  

Percentage Sunshine *  

Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Where to go in Costa Rica in August

Find out more about the weather in Costa Rica and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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).

So, what should you wear in this month?

For visitors traveling to San Isidro, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Interested in more climate information?

This site provides you with all the information you need about the climate in San Isidro.

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find 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 travel conditions. Find out where to go with our weather planner.