August weather forecast
Santo Tomás La Unión, Guatemala

The last month of the summer, August, is also a moderately hot month in Santo Tomás La Unión, Guatemala, with temperature in the range of an average low of 19.4°C (66.9°F) and an average high of 29.5°C (85.1°F).

Temperature

The advent of August presents an average high-temperature of a still warm 29.5°C (85.1°F), maintaining a close correlation with the preceding month. Throughout August, the temperature tends to fall to a consistent average low of 19.4°C (66.9°F).

Heat index

The heat index value during August is appraised at a torrid 35°C (95°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Santo Tomás La Unión, the average relative humidity in August is 75%.

Rainfall

In Santo Tomás La Unión, in August, during 26.9 rainfall days, 217mm (8.54") of precipitation is typically accumulated. Throughout the year, in Santo Tomás La Unión, there are 222.8 rainfall days, and 1491mm (58.7") of precipitation is accumulated.

Daylight

In Santo Tomás La Unión, the average length of the day in August is 12h and 36min.
On the first day of August in Santo Tomás La Unión, sunrise is at 05:49 and sunset at 18:34. On the last day of the month, sunrise is at 05:53 and sunset at 18:17 CST.

Sunshine

In Santo Tomás La Unión, the average sunshine in August is 11.1h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index in Santo Tomás La Unión are January through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.