April weather forecastSan Leon, TX
April
Weather in April
April in San Leon, Texas, is a warm spring month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 74.8°F (23.8°C).Temperature
With the onset of April, San Leon experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 68.5°F (20.3°C) in March to a moderately hot 74.8°F (23.8°C). Throughout the nights in April, San Leon experiences an average low-temperature of 65.5°F (18.6°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In April, the rain falls for 13.6 days. Throughout April, 2.32" (59mm) of precipitation is accumulated. In San Leon, during the entire year, the rain falls for 188.2 days and collects up to 44.13" (1121mm) of precipitation.Snowfall
In San Leon, snow does not fall in February through December.Ocean temperature
In San Leon, the average seawater temperature in April is 71.2°F (21.8°C).Note: Most people do not take pleasure in swimming in water at 71.2°F (21.8°C). The difficulty of managing breathing increases as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In April, the average length of the day is 12h and 54min.On the first day of the month, sunrise is at 7:08 am and sunset at 7:38 pm. On the last day of April, in San Leon, sunrise is at 6:37 am and sunset at 7:55 pm CDT.
Sunshine
In San Leon, the average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 6 in April transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
San Leon, TX
- Average high temperature in April: 74.8°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in April: 65.5°F
The months with the highest average low temperature are July and August (80.2°F).
The coldest month (with the lowest average low temperature) is January (49.5°F).
Average pressure in April
San Leon, TX
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
San Leon, TX
- Average wind speed in April: 11.4mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.3mph).
Average humidity in April
San Leon, TX
- Average humidity in April: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
San Leon, TX
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is September (6.77").
The driest month (with the least rainfall) is March (1.81").
Average rainfall days in April
San Leon, TX
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in April
San Leon, 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 Leon, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in April
San Leon, TX
- Average sea temperature in April: 71.3°F
The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in April /
Average sunshine in April
San Leon, TX
- Average daylight in April: 12h and 54min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 8h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in April
San Leon, TX
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in April
San Leon, TX
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
San Leon, TX
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in April
San Leon, 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).
