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The weather in August in San Marcos

It's warm in August in San Marcos with an average temperature of 24°C. Temperatures this month range from a low of 22°C to a high of 25°C. At night, you can expect temperatures between 10°C and 12°C.

Looking for sun? August isn’t a good month to be in San Marcos. 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 Marcos, Guatemala. 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 34°C in 2020, San Marcos reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 17°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 16°C.

Rainfall amount

In August, there is an average of 373 mm of precipitation, spread over 31 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in August for San Marcos

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

August weather comparison

  San Marcos New York
Average temperature 24°C 30°C
Max. temperature 25°C 31°C
Min. temperature 10°C -5°C
Total precipitation 373 mm 79 mm
Rainy days 31 days 13 days

Start of August

The month of August starts in San Marcos with warm temps, averaging around 24°C during the day and nights around 11°C.

Mid August

By mid-August, daytime temps stay steady at around 24°C, with nights around 11°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 Marcos is around 23°C, while nighttime temps are about 11°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 9 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 Marcos runs from June to November.

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

Temperature charts

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

Daily Temperature in August in San Marcos

Temperature in August in San Marcos over the years

Precipitation charts

These charts show the average amount of precipitation in August in San Marcos, Guatemala. 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 Marcos

Total precipitation in August in San Marcos over the years

Daily UV index in August in San Marcos

This chart shows the average daily UV index in August in San Marcos, 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 Marcos

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Average weather in San Marcos by month

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