San Antonio Weather in July: Temperature, Precipitation, Wind
San Antonio, Texas experiences hot and humid conditions in July, characterized by scorching temperatures and occasional thunderstorms. The average temperature hovers around 31.2°C (88.2°F), with daytime highs soaring to 38°C (100.4°F) and nighttime lows dipping to 25.3°C (77.5°F). Heat indices push the perceived temperature even higher, with the average maximum feels-like temperature reaching a sweltering 39.4°C (102.9°F).
Humidity levels in San Antonio during July average 57.4%, contributing to the oppressive heat. Precipitation is relatively scarce, with an average of only 0.27 inches (6.9 mm) of rainfall throughout the month. Rain occurs on approximately 5 days, covering just 1.3% of the time. The most common precipitation type is rain, falling as brief but intense afternoon showers or thunderstorms.
Wind patterns in San Antonio during July feature average speeds of 26.0 km/h (16.2 mph), with gusts reaching up to 43.8 km/h (27.2 mph). The atmospheric pressure remains fairly stable at 1013.4 hPa. Cloud cover is moderate, averaging 33.6%, allowing for plenty of sunshine and clear skies. Visibility is excellent, extending to 15.8 km (9.8 miles) on average.
UV radiation poses a significant risk in July, with the average UV index reaching 9.2, indicating very high exposure levels. Visitors and residents should take precautions when spending time outdoors, especially at popular attractions like the River Walk or the Alamo. The severe weather risk is notable at 39.8%, reflecting the potential for intense thunderstorms or heat-related hazards.
Daylight hours are long in July, with sunrise occurring around 6:45 AM and sunset at approximately 8:34 PM, providing ample time for outdoor activities. The most common weather condition is partly cloudy days, offering a mix of sun and clouds throughout the month.
What is the temperature in San Antonio in July?
Average air temperature in San Antonio is 31.2°C (88.2°F) in July. The outside temperature in San Antonio feels like 33°C (91.5°F) on a typical July day. The highest average temperature during sunny days is 38°C (100.4°F) and feels like 39.4°C (102.9°F). The lowest average temperature after dark is 25.3°C (77.5°F) which feels like 25.4°C (77.7°F).
How hot is San Antonio in July?
The hot temperature in July in San Antonio rises to 41°C (105.8°F) on sunny days with low cloud coverage and 57.4% humidity. During hottest days of July it feels like 44 °C (111.2°F). The average maximum temp in San Antonio is 38°C (111.2°F) during day time in July.
How cold is San Antonio in July?
The coldest temp in San Antonio in July drops to 23.5°C (74.3°F) during the cold nights. With 26km/h (16.2mph) winds and 57.4% humidity it feels like 23.5°C (74.3°F) on the coldest nights. The average minimum temperature is 25.3°C (77.5°F) during night time in July.
Does it rain in San Antonio in July?
Yes, it rains for 5 days in San Antonio, United States in July averaging 0.27 mm of precipitation. San Antonio has a 16.1% chance for rain throughout the entire month of July.
How much does it rain in San Antonio throughout July?
San Antonio has 0.27 mm (0.01 inch) of rain per day on average in July. It rains for an average of 5 days out of the entire month.
Is San Antonio windy in July?
The average speed of wind in San Antonio, United States during July is 26km/h (16.2mph) and average windgust is 43.8km/h (27.2mph). On some days in July wind can reach up to 33.1km/h (20.6mph).
What is the direction of the wind in San Antonio in July?
Most days of July the wind is blowing from South-Southeast direction in San Antonio.
What are the humidity levels in San Antonio in July?
The average humidity levels in San Antonio in July are 57.4%. Daily humidity levels in San Antonio range from 45.4% to 73.9% during July.
How many hours of daylight are in San Antonio in July?
San Antonio has 13 hours 48 minutes of daylight in July on average. Sunset and sunrise times gradually change throughout the month. Sunrise in San Antonio in July is at 6:45:11 and the sunset is at 20:34:07.
What is the cloud coverage in San Antonio in July?
Clouds cover 33.6% of the sky on average throughout July in San Antonio. The cloud coverage ranges from 6.9% to 82.2% depending on the day of the month.
What is the UV level in July in San Antonio?
The average UV index in San Antonio is 9.2 in July. UV levels change throughout the month and range from 6 to 10.
What is the solar radiation in San Antonio in July?
The average solar radiation is 278.7 W/m2 (Watts per square meter) in San Antonio during July. However solar radiation levels change throughout the month and range from 136.3 W/m2 to 319.5 W/m2.
What is the solar energy during July in San Antonio?
The average solar energy during July in San Antonio is 24.1 MJ/m2 (megajoules per square metre). Solar energy ranges from 11.8 MJ/m2, to 27.5 MJ/m2 during July.
Are there severe weather risks in San Antonio in July?
Yes, there is a 39.8% risk for severe weather in San Antonio, United States in July.
What is the air pressure in San Antonio in July?
On average the air pressure in San Antonio in July is 1013.4 mb (millibars). Throughout the month the sea level pressure ranges from 1009.7 mb to 1016.9 mb.
What is the visibility in San Antonio in July?
The average daylight visibility in San Antonio in July is 15.8 km (9.8 miles). Depending on the precipitation the visibility ranges from 15.1 km (9.4 miles) to 16 km (9.9 miles) throughout July.
What is the dew point in San Antonio in July?
The average dew point in San Antonio during July is 20.4°C (68.8°F).
Where is the data for San Antonio climate in July coming from?
The climate data for San Antonio, Texas, United States in July 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
- FW6098 San Antonio TX US
- KSAT
- KSKF
- KSSF