April weather forecast
Santiago de la Frontera, El Salvador

April, the same as March, in Santiago de la Frontera, El Salvador, is a hot spring month, with temperature in the range of an average low of 20.3°C (68.5°F) and an average high of 33.2°C (91.8°F).

Temperature

The warmest period is April, when temperatures fluctuate between an average high of 33.2°C (91.8°F) and a low of 20.3°C (68.5°F).

Heat index

The average heat index in April is appraised at a blistering 42°C (107.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in April in Santiago de la Frontera, El Salvador, is 66%.

Rainfall

In April, the rain falls for 14.8 days. Throughout April, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Santiago de la Frontera, there are 181.4 rainfall days, and 1055mm (41.54") of precipitation is accumulated.

Daylight

In Santiago de la Frontera, the average length of the day in April is 12h and 28min.
On the first day of April in Santiago de la Frontera, El Salvador, sunrise is at 05:53 and sunset at 18:10. On the last day of the month, sunrise is at 05:36 and sunset at 18:14 CST.

Sunshine

With an average of 11.3h of sunshine, April has the most sunshine of the year in Santiago de la Frontera.

UV index

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in April translates into these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.