April weather forecastPort Lavaca, TX
April
Weather in April
April in Port Lavaca, Texas, is a warm spring month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 77°F (25°C).Temperature
April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's pleasant 70.7°F (21.5°C) to a moderately hot 77°F (25°C). April's nights observe an average temperature of 65.3°F (18.5°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Port Lavaca, during April, the rain falls for 11.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Port Lavaca, during the entire year, the rain falls for 156.8 days and collects up to 23.5" (597mm) of precipitation.Snowfall
In Port Lavaca, snow does not fall in February through December.Ocean temperature
In Port Lavaca, in April, the average water temperature is 72°F (22.2°C).Note: For those not fond of cold temperatures, taking a swim at 72°F (22.2°C) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
The average length of the day in April is 12h and 52min.On the first day of April, sunrise is at 7:15 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:01 pm CDT.
Sunshine
In Port Lavaca, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in April interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Caution! Sand and water surfaces escalate the UV intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Port Lavaca, TX
- Average high temperature in April: 77°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).
- Average low temperature in April: 65.3°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in April
Port Lavaca, TX
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Port Lavaca, TX
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in April
Port Lavaca, TX
- Average humidity in April: 77%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Port Lavaca, TX
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in April
Port Lavaca, TX
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in April
Port Lavaca, 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
Port Lavaca, TX
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Port Lavaca, TX
- Average sea temperature in April: 71.9°F
The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (60.1°F).
Average daylight in April /
Average sunshine in April
Port Lavaca, TX
- Average daylight in April: 12h and 54min
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: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in April
Port Lavaca, TX
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).
Average UV index in April
Port Lavaca, TX
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in April
Port Lavaca, TX
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Port Lavaca, 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).





