Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Entering April, San Antonio notices a subtle temperature elevation, with the average high-temperature advancing from March's agreeable 72.7°F (22.6°C) to a moderately hot 79.7°F (26.5°C). San Antonio throughout April, experiences an average nighttime temperature of 60.6°F (15.9°C).Humidity
In April, the average relative humidity in San Antonio, Texas, is 70%.Rainfall
In April, the rain falls for 14.7 days. Throughout April, 1.85" (47mm) of precipitation is accumulated. In San Antonio, Texas, during the entire year, the rain falls for 144.5 days and collects up to 22.6" (574mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in April in San Antonio is 12h and 54min.On the first day of April, sunrise is at 7:22 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:10 pm CDT.
Sunshine
In San Antonio, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index in San Antonio is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 6 in April translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are the temperatures in San Antonio in April?
What is the average humidity in April in San Antonio?
How much does it rain in San Antonio in April?
When it does not snow in San Antonio?
How many hours of daylight does San Antonio have in April?
When is the sunrise / sunset in April in San Antonio?
How many hours of sunshine does San Antonio have in April?
What is the UV index reading in April in San Antonio?
Average temperature in April
San Antonio, TX
- Average high temperature in April: 79.7°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (61.7°F).
- Average low temperature in April: 60.6°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in April
San Antonio, TX
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
San Antonio, TX
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is May (9mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in April
San Antonio, TX
- Average humidity in April: 70%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in April
San Antonio, TX
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
San Antonio, TX
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is September (17 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
San Antonio, TX
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
San Antonio, TX
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
San Antonio, TX
- Average daylight in April: 12h and 5min
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: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
San Antonio, TX
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and September (11.8 days).
Average UV index in April
San Antonio, TX
- Average UV index in April: 6
The months with the highest UV index are 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 Antonio, TX
- Average cloud cover in April: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
San Antonio, 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 Antonio, Texas, USA
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