April weather forecast
McAllen, TX

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Weather in April

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.

Frequently asked questions

How hot is it in McAllen in April?

The high-temperature, in April, in McAllen, records 88.5°F (31.4°C), while the low-temperature is 68.4°F (20.2°C). In April, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 98.6°F (37°C).

What is the average humidity in April?

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

How much does it rain in McAllen in April?

In McAllen, in April, it is raining for 7.9 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does McAllen have in April?

In April, the average day length is 12h and 48min.

When is the sunrise / sunset in April?

On the first day of April in McAllen, 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.

How many hours of sunshine does McAllen have in April?

The average sunshine duration in April is 8.3h.

What is the UV index intensity in April?

In April, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
McAllen, TX

Average temperature in April - McAllen, TX
  • Average high temperature in April: 88.5°F

The warmest month (with the highest average high temperature) is August (98.6°F).
The month with the lowest average high temperature is January (69.8°F).

  • Average low temperature in April: 68.4°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (53.2°F).

Average pressure in April
McAllen, TX

Average pressure in April - McAllen, TX
  • Average pressure in April: 29.89"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

Average wind speed in April
McAllen, TX

Average wind speed in April - McAllen, TX
  • Average wind speed in April: 12.2mph

The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is September (9.1mph).

Average humidity in April
McAllen, TX

Average humidity in April - McAllen, TX
  • Average humidity in April: 64%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is August (59%).

Average rainfall in April
McAllen, TX

Average rainfall in April - McAllen, TX
  • Average rainfall in April: 0.63"

The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days in April
McAllen, TX

Average rainfall days in April - McAllen, TX
  • Average rainfall days in April: 7.9 days

The month with the highest number of rainy days is September (15.4 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in April
McAllen, TX

Average snowfall in April - McAllen, TX
  • Average snowfall in April: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in April
McAllen, TX

Average snowfall days in April - McAllen, TX
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in April /
Average sunshine in April
McAllen, TX

Average daylight in April / Average sunshine in April - McAllen, TX
  • Average daylight in April: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in April: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in April
McAllen, TX

Average sunshine days in April - McAllen, TX
  • Average sunshine days in April: 20.5 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is September (12.5 days).

Average UV index in April
McAllen, TX

Average UV index in April - McAllen, TX
  • Average UV index in April: 7

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in April
McAllen, TX

Average cloud cover in April - McAllen, TX
  • Average cloud cover in April: 33

The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in April
McAllen, TX

Average visibility in April - McAllen, TX
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

McAllen, Texas, USA

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