August weather forecast
Guatemala City, Guatemala

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 ushers in an average high-temperature of a still warm 25.5°C (77.9°F), aligning closely with the preceding month. Guatemala City experiences an average nighttime temperature of 16.5°C (61.7°F) in the month of August.

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 (7.99") of precipitation is accumulated. In Guatemala City, during the entire year, the rain falls for 125.2 days and collects up to 1275mm (50.2") of precipitation.

Daylight

In Guatemala City, the average length of the day in August is 12h and 36min.
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.

Sunshine

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

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 12 in August, converts into the following recommendations:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full 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.