April weather forecast
McAllen, TX

As April takes over, McAllen, Texas continues with its gradual temperature rise, moving farther from the winter cold. This month proves to be warm yet comfortable, promoting outdoor adventures to enjoy the spring season. The rainfall in April is higher than in the previous month, measuring an average of 0.63" (16mm). With longer periods of sunlight, the city's landscapes sparkle in bright colors imbuing the town with a fresh and lively atmosphere. Tourists visiting McAllen, Texas in April get to witness this picturesque and vibrant setting while enjoying pleasant weather conditions.

Temperature

With the transition into April, McAllen experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 82°F (27.8°C) in March to a hot 88.5°F (31.4°C). During April, McAllen sees a mean low-temperature of 68.4°F (20.2°C).

Heat index

The average heat index in April is evaluated at a very hot 98.6°F (37°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In McAllen, the average relative humidity in April is 64%.

Rainfall

In McAllen, in April, it is raining for 7.9 days, with typically 0.63" (16mm) of accumulated precipitation. In McAllen, during the entire year, the rain falls for 103.3 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

February through December are months without snowfall in McAllen.

Daylight

The average length of the day in April is 12h and 48min.
On the first day of April, sunrise is at 7:22 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:04 pm CDT.

Sunshine

In McAllen, the average sunshine in April is 8.3h.

UV index

In McAllen, Texas, the average daily maximum UV index in April is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in April leads to these recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.