ClimateForecastAugustSeptember >>

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

How is the weather in San José in August? Here's what the weather might have in store during this month.

In August, San José generally has high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 24°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 17°C.

San José in August falls under the rainy season with heavy rainfall, averaging around 414 mm for the month. Typically around 24 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 160 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit San José. 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 José climate page with graphs.

 

San José, monthly averages in August

Min TemperatureMin Temperature 17°C  
Max TemperatureMax Temperature 24°C  
Chance of RainChance of Rain 79%  
PrecipitationPrecipitation 414 mm  
Rainy daysRainy days 24 days  
HumidityHumidity 83%  
SunshineSunshine 160 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Costa Rica in August

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

Map not visible? Whoops sorry! Please refresh the page.
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 San José in August?

For visitors traveling to San José, 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 in August.

Swimming
7/10
Camping
6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San José.

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