The weather in August in San Carlos

It's warm in August in San Carlos with an average temperature of 27°C. Temperatures this month range from a low of 27°C to a high of 28°C. At night, you can expect temperatures between 19°C and 21°C.

Looking for sun? August isn’t a good month to be in San Carlos. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for San Carlos, Costa Rica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 31°C in 2023, San Carlos reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 21°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 14°C to a highest value of 23°C.

Rainfall amount

In August, there is an average of 205 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in August for San Carlos

Click on any day in August to get detailed info about the usual weather on that day in San Carlos. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  San Carlos New York
Average temperature 27°C 30°C
Max. temperature 28°C 31°C
Min. temperature 19°C -5°C
Total precipitation 205 mm 79 mm
Rainy days 22 days 13 days

Start of August

The month of August starts in San Carlos with hot temps, averaging around 28°C during the day and nights around 21°C.

Mid August

By mid-August, daytime temps stay steady at around 28°C, with nights around 21°C. There’s a high chance of precipitation during this time.

End of August

By the end of August, the average daytime temperature in San Carlos is around 28°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in San Carlos runs from June to November.

Check out the climate of San Carlos for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in San Carlos, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in San Carlos

Temperature in August in San Carlos over the years

Precipitation charts

These charts show the average amount of precipitation in August in San Carlos, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in San Carlos

Total precipitation in August in San Carlos over the years

Daily UV index in August in San Carlos

This chart shows the average daily UV index in August in San Carlos, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in San Carlos

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Average weather in San Carlos by month

Click on a month below to see detailed weather info for San Carlos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.