April weather forecast
San Andrés, Guatemala

April in San Andrés, Guatemala, is a torrid spring month, with an average temperature fluctuating between 35.5°C (95.9°F) and 21°C (69.8°F).

Temperature

The month of April, characterized by an average high of 35.5°C (95.9°F) and a low of 21°C (69.8°F), is recognized as the warmest.

Heat index

The average heat index in April is appraised at a burning hot 50°C (122°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

With an average relative humidity of 67%, April is the least humid month.

Rainfall

In San Andrés, Guatemala, in April, it is raining for 13.8 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, there are 227.8 rainfall days, and 871mm (34.29") of precipitation is accumulated.

Daylight

In San Andrés, the average length of the day in April is 12h and 32min.
On the first day of April, sunrise is at 05:53 and sunset at 18:12. On the last day of the month, sunrise is at 05:34 and sunset at 18:19 CST.

Sunshine

With an average of 10.1h of sunshine, April has the most sunshine of the year.

UV index

March through July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 7 during April translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.