August weather forecast
Guatemala City, Guatemala

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

Weather in August

In August, Guatemala City experiences a stable climate compared to July, with minor changes in respective meteorological parameters. A stagnant weather pattern can be observed with temperatures, humidity, rainfall, and daylight hours. Sunshine hours show a minor increase despite the elevated rainfall. The slightest decrease in maximum temperature from July can be observed. Guatemala City's weather in August remains part of the notorious wet season.

Temperature

August's climate shows a minor adjustment in average high-temperatures to a still warm 25.5°C from July's 25.4°C. Guatemala City experiences an average temperature drop to an enjoyable 16.5°C during August nights.

Humidity

In Guatemala City, the average relative humidity in August is 80.9%.

Rainfall

In August, the rain falls for 19 days. Throughout August, 203mm of precipitation is accumulated. In Guatemala City, Guatemala, during the entire year, the rain falls for 125.2 days and collects up to 1275mm of precipitation.

Daylight

In Guatemala City, the average length of the day in August is 12h and 36min.
On the first day of the month, sunrise is at 05:45 and sunset at 18:31. On the last day of August, in Guatemala City, sunrise is at 05:49 and sunset at 18:14 CST.

Sunshine

The average sunshine in August in Guatemala City is 6.2h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Guatemala City. A UV Index of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 12 during August morphs into the following directions:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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FAQ

What is the average August temperature in Guatemala City?

In Guatemala City, 25.5°C is the average high-temperature and 16.5°C is the average low-temperature during August. In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 30°C.

What is the average humidity in August in Guatemala City?

In Guatemala City, the average relative humidity in August is 80.9%.

How much does it rain in Guatemala City in August?

In August, the rain falls for 19 days. Throughout August, 203mm of precipitation is accumulated.

What is the average length of the day in August in Guatemala City?

The average day length in August is 12h and 36min.

When are sunrise and sunset in August in Guatemala City?

On the first day of August, sunrise is at 05:45 and sunset at 18:31. On the last day of the month, sunrise is at 05:49 and sunset at 18:14 CST.

How long on average sun shines in August in Guatemala City?

The average sunshine duration in August is 6.2h.

What are the months with the highest UV index in Guatemala City?

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

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

In August, the average daily maximum UV index in Guatemala City, Guatemala, is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average UV index

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

The 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: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in August: 6h and 1min

The month with the most sunshine is February (Average sunshine: 8h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

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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

The 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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Guatemala City, Guatemala

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