San Antonio, TX Weather

San Antonio, TX climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 94.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 38.60 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 24 degrees Fahrenheit.

The annual average precipitation at San Antonio is 32.92 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.72 Inches.

Weather Data

Current Conditions

(Updated: 7:53 PM CST FRI NOV 20 2009)

Mostly Cloudy, 58°F	Humidity: 90%	Dewpoint: 55°F
	Wind Speed: NW 9.2 MPH (8 KT)	Heat Index: 58°F
	Barometer: 30.03 in.	Wind Chill: 56°F

Weather Forecast

(Generated: 6:46 PM CST FRI NOV 20 2009)

		Tonight: Mostly cloudy with chance of showers and slight chance of thunderstorms before midnight...Then partly cloudy with a slight chance of rain after midnight. Patchy fog after midnight. Cooler. Lows in the upper 40s. North winds 10 to 15 mph. Chance of rain 50 percent.
	Lo: 49°F
	Hi: 70°F	Saturday: Sunny. Patchy fog in the morning. Highs around 70. Northeast winds 5 mph shifting to the east in the afternoon.
	Lo: 49°F
	Hi: 71°F	Sunday: Sunny. Highs in the lower 70s. Southeast winds 5 to 10 mph.
	Lo: 55°F
	Hi: 75°F	Monday: Partly sunny. Patchy fog in the morning. Highs in the mid 70s.
	Lo: 55°F
	Hi: 65°F	Tuesday: Partly sunny. Chance of showers in the morning...Then a slight chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.
	Lo: 40°F
	Hi: 65°F	Wednesday: Partly cloudy. Lows around 40. Highs in the mid 60s.
	Lo: 40°F
	Hi: 65°F	Wednesday: Partly cloudy. Lows around 40. Highs in the mid 60s.
	Lo: 41°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 6:36 AM CST	Sunrise: 7:01 AM CST
		Sunset: 5:36 PM CST	Civil Twilight: 6:02 PM CST

Normal Climate

Normal Temperatures

(SAN ANTONIO INTL AP Weather station, 7.47 miles from San Antonio)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	62.1	67.1	74.3	80.4	86.0	91.4	94.6	94.7	90.0	82.0	71.4	64.0	79.8
Mean °F	50.3	54.7	62.1	68.6	75.8	81.5	84.3	84.2	79.4	70.7	60.0	52.4	68.7
Min °F	38.6	42.4	49.9	56.9	65.5	71.6	74.0	73.6	68.8	59.4	48.6	40.8	57.5

Normal Precipitation