April weather forecast
San Patricio, TX

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Weather in April

April, like March, in San Patricio, Texas, is another warm spring month, with an average temperature varying between 81.7°F (27.6°C) and 64.6°F (18.1°C).

Temperature

The start of April is characterized by a subtle increase in the average high-temperature, transitioning from a moderately hot 74.8°F (23.8°C) in March to a still warm 81.7°F (27.6°C). San Patricio encounters an average low-temperature of 64.6°F (18.1°C) during April nights.

Heat index

The heat index value during April is estimated at a hot 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Note that heat index values are valued for light wind and location in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

In San Patricio, the average relative humidity in April is 73%.

Rainfall

In San Patricio, during April, the rain falls for 12.5 days and regularly aggregates up to 1.42" (36mm) of precipitation. In San Patricio, during the entire year, the rain falls for 139.6 days and collects up to 17.4" (442mm) of precipitation.

Snowfall

In San Patricio, snow does not fall in February through December.

Daylight

The average length of the day in April in San Patricio, Texas, is 12h and 51min.
On the first day of the month, sunrise is at 7:20 am and sunset at 7:49 pm. On the last day of April, in San Patricio, sunrise is at 6:51 am and sunset at 8:05 pm CDT.

Sunshine

The average sunshine in April is 7.8h.

UV index

The average daily maximum UV index in April in San Patricio is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In April, a daily UV index of 6 turns into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature in San Patricio?

San Patricio in April has an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.6°F (18.1°C). In April, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in April in San Patricio?

The average relative humidity in April in San Patricio, Texas, is 73%.

How many days does it rain in April in San Patricio?

In April, the rain falls for 12.5 days. Throughout April, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in San Patricio?

In San Patricio, Texas, snow does not fall in February through December.

How many hours of daylight does San Patricio have in April?

In April, the average day length in San Patricio, Texas, is 12h and 51min.

When is the sunrise / sunset in April in San Patricio?

On the first day of April, sunrise is at 7:20 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:05 pm CDT.

How long on average sun shines in April in San Patricio?

The average sunshine duration in April in San Patricio, Texas, is 7.8h.

How high is the UV index in April in San Patricio?

The average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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
San Patricio, TX

Average temperature in April - San Patricio, TX
  • Average high temperature in April: 81.7°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (64.4°F).

  • Average low temperature in April: 64.6°F

The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

Average pressure in April
San Patricio, TX

Average pressure in April - San Patricio, TX
  • Average pressure in April: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in April
San Patricio, TX

Average wind speed in April - San Patricio, TX
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is May (10.7mph).
The calmest month (with the lowest average wind speed) is September (8mph).

Average humidity in April
San Patricio, TX

Average humidity in April - San Patricio, TX
  • Average humidity in April: 73%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (65%).

Average rainfall in April
San Patricio, TX

Average rainfall in April - San Patricio, TX
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in April
San Patricio, TX

Average rainfall days in April - San Patricio, TX
  • Average rainfall days in April: 12.5 days

The month with the highest number of rainy days is September (17.1 days).
The months with the least rainy days are July and August (8.3 days).

Average snowfall in April
San Patricio, TX

Average snowfall in April - San Patricio, TX
  • Average snowfall in April: 0"

The month with the highest snowfall is January (0.04").
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
San Patricio, TX

Average snowfall days in April - San Patricio, TX
  • Average snowfall days in April: 0 days

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

Average daylight in April /
Average sunshine in April
San Patricio, TX

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in April
San Patricio, TX

Average sunshine days in April - San Patricio, TX
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is September (10.9 days).

Average UV index in April
San Patricio, TX

Average UV index in April - San Patricio, TX
  • Average UV index in April: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in April
San Patricio, TX

Average cloud cover in April - San Patricio, TX
  • Average cloud cover in April: 41

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in April
San Patricio, TX

Average visibility in April - San Patricio, 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).

San Patricio, Texas, USA

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