April weather forecast
Chalchuapa, El Salvador

In April, Chalchuapa's weather usually takes an intriguing turn. This month heralds the onset of the rainy season, transforming the previously arid landscape into a lush green vista. A remarkable uptick in downpours is observed from a mere 9mm (0.35") in March to 51mm (2.01") in April. Despite the showers, the temperature continues to be warm, ensuring a delightful atmosphere. Embrace the opportunity to engage in local festivities during this time.

Temperature

The month of April, characterized by an average high of 33.2°C (91.8°F) and a low of 20.3°C (68.5°F), is recognized as the warmest in Chalchuapa.

Heat index

For April, the heat index is computed to be a blisteringly hot 42°C (107.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. 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 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Chalchuapa, El Salvador, the average relative humidity in April is 66%.

Rainfall

In Chalchuapa, during April, the rain falls for 14.8 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, in Chalchuapa, there are 181.4 rainfall days, and 1055mm (41.54") of precipitation is accumulated.

Daylight

In April, the average length of the day in Chalchuapa is 12h and 28min.
On the first day of April in Chalchuapa, 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.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the highest UV index in Chalchuapa, El Salvador. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during April morphs into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.