San Antonio Weather in April: Temperature, Precipitation, Wind

Temperature
20.6°C
69.1°F
High temperature
26.5°C
79.7°F
Low temperature
15.5°C
59.9°F
Feels like
20.7°C
69.2°F
Rainy days
15 days
Rainfall level
2.5mm
0.1 inch
Cloud coverage
60.3%
Wind speed
24.1km/h
15mph
Daylight time
12:53:24
UV index
7.3
1
partly cloudy day
23.2°C
74.0°F
2
partly cloudy day
24.6°C
76.0°F
3
partly cloudy day
26.0°C
79.0°F
4
partly cloudy day
26.1°C
79.0°F
5
rain
22.7°C
73.0°F
6
rain
12.1°C
54.0°F
7
rain
11.8°C
53.0°F
8
rain
16.8°C
62.0°F
9
cloudy
17.3°C
63.0°F
10
partly cloudy day
19.1°C
66.0°F
11
partly cloudy day
18.9°C
66.0°F
12
clear day
18.7°C
66.0°F
13
clear day
19.6°C
67.0°F
14
partly cloudy day
21.8°C
71.0°F
15
rain
24.9°C
77.0°F
16
clear day
20.3°C
69.0°F
17
partly cloudy day
19.0°C
66.0°F
18
rain
21.8°C
71.0°F
19
rain
23.5°C
74.0°F
20
rain
24.5°C
76.0°F
21
rain
22.0°C
72.0°F
22
partly cloudy day
21.0°C
70.0°F
23
rain
16.0°C
61.0°F
24
cloudy
16.7°C
62.0°F
25
cloudy
20.8°C
69.0°F
26
rain
24.8°C
77.0°F
27
rain
22.4°C
72.0°F
28
rain
21.8°C
71.0°F
29
rain
18.5°C
65.0°F
30
clear day
21.1°C
70.0°F

San Antonio, United States experiences a warm and pleasant climate in April, marking the transition from spring to early summer. The average temperature hovers around 20.6°C (69.1°F), with daytime highs reaching 26.5°C (79.7°F) and nighttime lows dipping to 15.5°C (59.9°F). Residents and visitors to popular attractions like the Alamo and River Walk enjoy comfortable conditions throughout the month.

Humidity levels in San Antonio during April average 66.5%, contributing to a muggy feel. The city receives moderate rainfall, with an average precipitation of 2.5 mm and a 46.7% chance of rain on any given day. Rain occurs on approximately 15 days throughout the month, in the form of short-lived showers or thunderstorms.

Wind patterns in San Antonio during April are notable, with average wind speeds of 24.1 km/h (15 mph) and gusts reaching up to 41.6 km/h (25.8 mph). These breezy conditions help mitigate the effects of increasing temperatures and humidity.

Cloud cover in April averages 60.3%, resulting in partly cloudy skies for much of the month. Visibility remains excellent at 15.1 km (9.4 miles), allowing for clear views of San Antonio’s skyline and surrounding Hill Country landscapes.

UV index levels in April are high, averaging 7.3, necessitating sun protection for outdoor activities at popular spots like the San Antonio Missions National Historical Park. The risk of severe weather is moderate, with an average severe risk index of 39.3.

Daylight hours increase throughout April, with sunrise occurring around 7:07 AM and sunset at approximately 8:01 PM by month’s end. The lengthening days provide ample opportunity for exploring San Antonio’s outdoor attractions and enjoying the pleasant spring weather.

What is the temperature in San Antonio in April?

Average air temperature in San Antonio is 20.6°C (69.1°F) in April. The outside temperature in San Antonio feels like 20.7°C (69.2°F) on a typical April day. The highest average temperature during sunny days is 26.5°C (79.7°F) and feels like 26.9°C (80.4°F). The lowest average temperature after dark is 15.5°C (59.9°F) which feels like 15.4°C (59.7°F).

How hot is San Antonio in April?

The hot temperature in April in San Antonio rises to 33.9°C (93°F) on sunny days with low cloud coverage and 66.5% humidity. During hottest days of April it feels like 36.6 °C (97.9°F). The average maximum temp in San Antonio is 26.5°C (97.9°F) during day time in April.

How cold is San Antonio in April?

The coldest temp in San Antonio in April drops to 9.7°C (49.5°F) during the cold nights. With 24.1km/h (15mph) winds and 66.5% humidity it feels like 6.4°C (43.5°F) on the coldest nights. The average minimum temperature is 15.5°C (59.9°F) during night time in April.

Does it rain in San Antonio in April?

Yes, it rains for 15 days in San Antonio, United States in April averaging 2.5 mm of precipitation. San Antonio has a 46.7% chance for rain throughout the entire month of April.

How much does it rain in San Antonio throughout April?

San Antonio has 2.5 mm (0.1 inch) of rain per day on average in April. It rains for an average of 15 days out of the entire month.

Is San Antonio windy in April?

The average speed of wind in San Antonio, United States during April is 24.1km/h (15mph) and average windgust is 41.6km/h (25.9mph). On some days in April wind can reach up to 38.4km/h (23.9mph).

What is the direction of the wind in San Antonio in April?

Most days of April the wind is blowing from East-Southeast direction in San Antonio.

What are the humidity levels in San Antonio in April?

The average humidity levels in San Antonio in April are 66.5%. Daily humidity levels in San Antonio range from 35.1% to 83.7% during April.

How many hours of daylight are in San Antonio in April?

San Antonio has 12 hours 53 minutes of daylight in April on average. Sunset and sunrise times gradually change throughout the month. Sunrise in San Antonio in April is at 7:07:39 and the sunset is at 20:01:03.

What is the cloud coverage in San Antonio in April?

Clouds cover 60.3% of the sky on average throughout April in San Antonio. The cloud coverage ranges from 0.3% to 100% depending on the day of the month.

What is the UV level in April in San Antonio?

The average UV index in San Antonio is 7.3 in April. UV levels change throughout the month and range from 1 to 10.

What is the solar radiation in San Antonio in April?

The average solar radiation is 190.6 W/m2 (Watts per square meter) in San Antonio during April. However solar radiation levels change throughout the month and range from 32.3 W/m2 to 317.3 W/m2.

What is the solar energy during April in San Antonio?

The average solar energy during April in San Antonio is 16.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.7 MJ/m2, to 27.3 MJ/m2 during April.

Are there severe weather risks in San Antonio in April?

Yes, there is a 39.3% risk for severe weather in San Antonio, United States in April.

What is the air pressure in San Antonio in April?

On average the air pressure in San Antonio in April is 1013 mb (millibars). Throughout the month the sea level pressure ranges from 1001.9 mb to 1021.6 mb.

What is the visibility in San Antonio in April?

The average daylight visibility in San Antonio in April is 15.1 km (9.4 miles). Depending on the precipitation the visibility ranges from 12.5 km (7.8 miles) to 16 km (9.9 miles) throughout April.

What is the dew point in San Antonio in April?

The average dew point in San Antonio during April is 13°C (55.4°F).

Where is the data for San Antonio climate in April coming from?

The climate data for San Antonio, Texas, United States in April is collected from the following weather stations.

  • SAN ANTONIO STINSON MUNICIPAL AIRPORT, TX US
  • SAN ANTONIO INTERNATIONAL AIRPORT, TX US
  • SAN ANTONIO KELLY FIELD AFB, TX US
  • EW6170 San Antonio TX US
  • FW6098 San Antonio TX US
  • FW8761 San Antonio TX US
  • KSAT
  • KSKF
  • KSSF