May weather forecast
San Juan Tecuaco, Guatemala

The last month of the spring, May, is also a hot month in San Juan Tecuaco, Guatemala, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 21.7°C (71.1°F).

Temperature

As April turns into May, the average high-temperatures rest at a still tropical 30.9°C (87.6°F), showing a minor variation from the prior month. In San Juan Tecuaco, an average nighttime temperature of 21.7°C (71.1°F) is expected during May.

Heat index

The average heat index in May is estimated at a torrid 39°C (102.2°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in May in San Juan Tecuaco, Guatemala, is 76%.

Rainfall

In San Juan Tecuaco, Guatemala, in May, during 24.2 rainfall days, 156mm (6.14") of precipitation is typically accumulated. Throughout the year, in San Juan Tecuaco, there are 169.5 rainfall days, and 865mm (34.06") of precipitation is accumulated.

Daylight

The average length of the day in May in San Juan Tecuaco is 12h and 47min.
On the first day of May, sunrise is at 05:38 and sunset at 18:17. On the last day of the month, sunrise is at 05:31 and sunset at 18:26 CST.

Sunshine

In San Juan Tecuaco, the average sunshine in May is 10.8h.

UV index

The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.