April weather forecastSouth Padre Island, TX
April
Weather in April
April brings notable change as the weather now leans towards summer appeal. Correspondingly, any residual winter frost is replaced by an escalation of the average sea temperature to 73.9°F (23.3°C), providing a hospitable climate for aquatic activities. Swaying in tune with the month's progression, atmospheric pressure decreases moderately to ensure comfortable temperatures. Couple this with 8.9 hours of sunshine and only slight interruptions from rain, April becomes a month perfect for outdoor enjoyment. Breezes add to the mesmerizing experience with an average speed of 14.2mph (22.9km/h).Temperature
A minimal variation is noted in South Padre Island's average high-temperature at the onset of April, reaching a moderately hot 77.7°F (25.4°C) from March's 73°F (22.8°C). South Padre Island maintains a consistent average nighttime low-temperature of 71.2°F (21.8°C) throughout April.Humidity
In April, the average relative humidity is 79%.Rainfall
April is the month with the least rainfall in South Padre Island. Rain falls for 8.8 days and accumulates 0.51" (13mm) of precipitation.Ocean temperature
In South Padre Island, Texas, the average seawater temperature in April is 73.9°F (23.3°C).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.9°F (23.3°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In April, the average length of the day is 12h and 47min.On the first day of April in South Padre Island, sunrise is at 7:18 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:00 pm CDT.
Sunshine
In South Padre Island, the average sunshine in April is 8.9h.UV index
The months with the highest UV index in South Padre Island are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In April, a daily UV index of 7 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
South Padre Island, TX
- Average high temperature in April: 77.7°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in April: 71.2°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in April
South Padre Island, 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).
Average wind speed in April
South Padre Island, TX
- Average wind speed in April: 14.2mph
The windiest month (with the highest average wind speed) is April (14.2mph).
The calmest month (with the lowest average wind speed) is September (10.9mph).
Average humidity in April
South Padre Island, TX
- Average humidity in April: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
South Padre Island, TX
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is September (4.13").
The driest month (with the least rainfall) is April (0.51").
Average rainfall days in April
South Padre Island, TX
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is March (8.2 days).
Average sea temperature in April
South Padre Island, TX
- Average sea temperature in April: 73.9°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (66.7°F).
Average daylight in April /
Average sunshine in April
South Padre Island, TX
- Average daylight in April: 12h and 48min
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 30min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in April
South Padre Island, TX
- Average sunshine days in April: 19.3 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in April
South Padre Island, TX
- Average UV index in April: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in April
South Padre Island, TX
- Average cloud cover in April: 34
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in April
South Padre Island, 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).
