April weather forecast
Brownsville, TX

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A wooden footbridge over a large river with beautiful houses and scenic fields on the other end, located near Brownsville in Texas
A wooden footbridge over a large river with beautiful houses and scenic fields on the other end, located near Brownsville in Texas

Weather in April

As April dawns in Brownsville, daylight duration stretches to nearly 13 hours. The weather is stabilizing with less cloud cover and steady pressures. It is during this time that winds blow at a rate of 12.8mph (20.6km/h), the year's highest, adding a tinge of coolness to the warming atmosphere. The humble rise in temperature is indicative of the ensuing summer, but the days maintain their pleasant demeanor. With the UV Index reaching 7, it is essential to stay sun-safe during the longer, brighter days.

Temperature

The beginning of April signals a minor rise in the average high-temperature, moving from a warm 77.2°F (25.1°C) in March to a still moderately hot 82.9°F (28.3°C). During April, an average low-temperature of 70.2°F (21.2°C) is observed in Brownsville.

Heat index

April's mean heat index is estimated at a tropical 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Brownsville, the average relative humidity in April is 72%.

Rainfall

The months with the least rainfall are February and April Rain falls for 8.7 days and accumulates 0.39" (10mm) of rain.

Daylight

In Brownsville, the average length of the day in April is 12h and 47min.
On the first day of the month, sunrise is at 7:20 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:53 am and sunset at 8:01 pm CDT.

Sunshine

The average sunshine in April is 8.6h.

UV index

In April, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

Is it hot in Brownsville during April?

The high-temperature, in April, in Brownsville, is 82.9°F (28.3°C), while the low-temperature averages to 70.2°F (21.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in April is estimated at 89.6°F (32°C).

What is the average humidity in April in Brownsville?

In Brownsville, the average relative humidity in April is 72%.

What is the driest month in Brownsville?

February and April are months with the least rain when the rain falls for 8.7 days and typically aggregates up to 0.39" (10mm) of rain.

How many days does it rain in April in Brownsville?

In Brownsville, Texas, in April, it is raining for 8.7 days, with typically 0.39" (10mm) of accumulated precipitation.

How many hours of daylight does Brownsville have in April?

In April, the average day length in Brownsville, Texas, is 12h and 47min.

When is the sunrise / sunset in April in Brownsville?

On the first day of April, sunrise is at 7:20 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:01 pm CDT.

How long on average sun shines in April in Brownsville?

The average sunshine duration in April in Brownsville, Texas, is 8.6h.

How high is the UV index in April in Brownsville?

The average daily maximum UV index in April in Brownsville is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Brownsville, TX

Average temperature in April - Brownsville, TX
  • Average high temperature in April: 82.9°F

The warmest month (with the highest average high temperature) is August (93.2°F).
The month with the lowest average high temperature is January (68.9°F).

  • Average low temperature in April: 70.2°F

The month with the highest average low temperature is August (80.8°F).
The coldest month (with the lowest average low temperature) is January (57°F).

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Average pressure in April
Brownsville, TX

Average pressure in April - Brownsville, TX
  • Average pressure in April: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

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Average wind speed in April
Brownsville, TX

Average wind speed in April - Brownsville, TX
  • Average wind speed in April: 12.8mph

The windiest months (with the highest average wind speed) are March and April (12.8mph).
The calmest month (with the lowest average wind speed) is September (9.3mph).

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Average humidity in April
Brownsville, TX

Average humidity in April - Brownsville, TX
  • Average humidity in April: 72%

The months with the highest relative humidity are February, May and December (74%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in April
Brownsville, TX

Average rainfall in April - Brownsville, TX
  • Average rainfall in April: 0.39"

The wettest month (with the highest rainfall) is September (1.81").
The driest months (with the least rainfall) are February and April (0.39").

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Average rainfall days in April
Brownsville, TX

Average rainfall days in April - Brownsville, TX
  • Average rainfall days in April: 8.7 days

The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is February (6.9 days).

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

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

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in April
Brownsville, TX

Average sunshine days in April - Brownsville, TX
  • Average sunshine days in April: 20.4 days

The month with the most sunshine days is March (21.1 days).
The month with the least sunshine days is September (12.8 days).

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Average UV index in April
Brownsville, TX

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

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

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Average cloud cover in April
Brownsville, TX

Average cloud cover in April - Brownsville, TX
  • Average cloud cover in April: 36

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in April
Brownsville, TX

Average visibility in April - Brownsville, 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).

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Brownsville, Texas, USA

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