August weather forecast
Guatemala City, Guatemala

The iconic buildings of the cathedral in Guatemala City, Guatemala
The iconic buildings of the cathedral in Guatemala City, Guatemala

Weather in August

The last month of the summer, August, is also a moderately hot month in Guatemala City, Guatemala, with average temperature fluctuating between 16.5°C (61.7°F) and 25.5°C (77.9°F).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 25.5°C (77.9°F). In August, the average low-temperature is 16.5°C (61.7°F).

Humidity

In August, the average relative humidity is 80.9%.

Rainfall

In Guatemala City, during August, the rain falls for 19 days and regularly aggregates up to 202.7mm (7.98") of precipitation. Throughout the year, there are 125.2 rainfall days, and 1274.8mm (50.19") of precipitation is accumulated.

Daylight

The average length of the day in August is 12.6h.

Sunshine

In Guatemala City, Guatemala, the average sunshine in August is 6.2h.

UV index

Months with the highest UV index in Guatemala City are February through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in August in Guatemala City?

The average relative humidity in August is 80.9%.

How much does it rain in Guatemala City in August?

In Guatemala City, Guatemala, during August, the rain falls for 19 days and regularly aggregates up to 202.7mm (7.98") of precipitation.

How many hours of daylight does Guatemala City have in August?

The average length of the day in August in Guatemala City is 12.6h.

How many hours of sunshine does Guatemala City have in August?

The average sunshine in August is 6.2h.

When is the highest UV index in Guatemala City?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in August in Guatemala City?

In August, the average daily maximum UV index in Guatemala City is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays.

Average temperature in August
Guatemala City, Guatemala

Average temperature in August - Guatemala City, Guatemala
  • Average high temperature in August: 25.5°C

The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is December (23.9°C).

  • Average low temperature in August: 16.5°C

Months with the highest average low temperature are May and June (16.8°C).
The coldest month (with the lowest average low temperature) is January (13.2°C).

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Average humidity in August
Guatemala City, Guatemala

Average humidity in August - Guatemala City, Guatemala
  • Average humidity in August: 80.9%

The month with the highest relative humidity is September (84.5%).
The month with the lowest relative humidity is March (73.2%).

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Average rainfall in August
Guatemala City, Guatemala

Average rainfall in August - Guatemala City, Guatemala
  • Average rainfall in August: 202.7mm

The wettest month (with the highest rainfall) is June (271.8mm).
The driest month (with the least rainfall) is January (2.8mm).

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Average rainfall days in August
Guatemala City, Guatemala

Average rainfall days in August - Guatemala City, Guatemala
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is February (1.5 days).

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Average daylight in August /
Average sunshine in August
Guatemala City, Guatemala

Average daylight in August / Average sunshine in August - Guatemala City, Guatemala
  • Average daylight in August: 12.6h

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in August: 6.2h

The month with the most sunshine is February (Average sunshine: 8.4h).
The month with the least sunshine is June (Average sunshine: 5.2h).

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Average UV index in August
Guatemala City, Guatemala

Average UV index in August - Guatemala City, Guatemala
  • Average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).

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