Weather forecast April 5, 2023 - P2

Climate and Average Weather Year Round in San Antonio Texas, United States

In San Antonio, the summers are hot and oppressive, the winters are short and cool, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 43°F to 96°F and is rarely below 31°F or above 101°F.

Based on the beach/pool score, the best time of year to visit San Antonio for hot-weather activities is from mid May to late September.

Average Temperature in San Antonio 

The hot season lasts for 3.7 months, from May 30 to September 19, with an average daily high temperature above 89°F. The hottest month of the year in San Antonio is August, with an average high of 95°F and low of 75°F.

The cool season lasts for 2.8 months, from November 27 to February 20, with an average daily high temperature below 70°F. The coldest month of the year in San Antonio is January, with an average low of 43°F and high of 64°F.

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. San Antonio experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in San Antonio. The month with the most rain in San Antonio is May, with an average rainfall of 3.5 inches.

The month with the least rain in San Antonio is January, with an average rainfall of 1.5 inches.

Weather forecast April 5, 2023

Weather 78253

High temperature : 74°F

Low temperature : 72°F

- Overcast clouds, Wind speed 10.36 mph, wind out of the SE. Visibility 7 mi, humidity 88% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78253 : Good

- Air Quality Index : CO : 193.6 ; NH3 : 0.76 ; NO : 0 ; NO2 : 1.54 ; O3 : 31.11 ; PM10 : 12.96 ; PM2.5 : 8.03 ; SO2 : 0.89

Weather 78254

High temperature : 74°F

Low temperature : 72°F

- Overcast clouds, Wind speed 3 mph, wind out of the E. Visibility 7 mi, humidity 86% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78254 : Good

- Air Quality Index : CO : 193.6 ; NH3 : 0.76 ; NO : 0 ; NO2 : 1.54 ; O3 : 31.11 ; PM10 : 12.96 ; PM2.5 : 8.03 ; SO2 : 0.89

Weather 78255

High temperature : 72°F

Low temperature : 70°F

- Overcast clouds, Wind speed 10.36 mph, wind out of the S. Visibility 7 mi, humidity 87% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78255 : Good

- Air Quality Index : CO : 190.26 ; NH3 : 0.65 ; NO : 0 ; NO2 : 1.74 ; O3 : 31.47 ; PM10 : 12.27 ; PM2.5 : 7.72 ; SO2 : 1.13

Weather 78256

High temperature : 73°F

Low temperature : 71°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the N. Visibility 7 mi, humidity 86% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78256 : Good

- Air Quality Index : CO : 190.26 ; NH3 : 0.65 ; NO : 0 ; NO2 : 1.74 ; O3 : 31.47 ; PM10 : 12.27 ; PM2.5 : 7.72 ; SO2 : 1.13

Weather 22150

High temperature : 66°F

Low temperature : 62°F

- Overcast clouds, Wind speed 21.85 mph, wind out of the SSW. Visibility 7 mi, humidity 80% . Chance of Rain : 100 % .

Today's Air Quality - Weather 22150 : Moderate

- Air Quality Index : CO : 220.3 ; NH3 : 0.2 ; NO : 0 ; NO2 : 2.14 ; O3 : 79.39 ; PM10 : 3.36 ; PM2.5 : 2.65 ; SO2 : 1.42

Weather 78258

High temperature : 73°F

Low temperature : 71°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the N. Visibility 7 mi, humidity 87% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78258 : Good

- Air Quality Index : CO : 195.27 ; NH3 : 0.62 ; NO : 0 ; NO2 : 3.21 ; O3 : 31.83 ; PM10 : 12.7 ; PM2.5 : 8.18 ; SO2 : 2.03

Weather 78259

High temperature : 74°F

Low temperature : 72°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the N. Visibility 7 mi, humidity 87% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78259 : Good

- Air Quality Index : CO : 195.27 ; NH3 : 0.62 ; NO : 0 ; NO2 : 3.21 ; O3 : 31.83 ; PM10 : 12.7 ; PM2.5 : 8.18 ; SO2 : 2.03

Weather 78260

High temperature : 73°F

Low temperature : 70°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the N. Visibility 7 mi, humidity 87% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78260 : Good

- Air Quality Index : CO : 195.27 ; NH3 : 0.62 ; NO : 0 ; NO2 : 3.21 ; O3 : 31.83 ; PM10 : 12.7 ; PM2.5 : 8.18 ; SO2 : 2.03

Weather 77024

High temperature : 77°F

Low temperature : 74°F

- Overcast clouds, Wind speed 14.97 mph, wind out of the S. Visibility 6 mi, humidity 86% . Chance of Rain : 100 % .

Today's Air Quality - Weather 77024 : Moderate

- Air Quality Index : CO : 213.62 ; NH3 : 0.3 ; NO : 0 ; NO2 : 5.4 ; O3 : 32.19 ; PM10 : 28.37 ; PM2.5 : 13.79 ; SO2 : 3.61

Weather 78262

High temperature : 75°F

Low temperature : 73°F

- Overcast clouds, Wind speed 18.41 mph, wind out of the SE. Visibility 7 mi, humidity 87% . Chance of Rain : 100 % .

Today's Air Quality - Weather 78262 : Good

- Air Quality Index : CO : 200.27 ; NH3 : 0.68 ; NO : 0 ; NO2 : 3.94 ; O3 : 30.4 ; PM10 : 13.84 ; PM2.5 : 8.7 ; SO2 : 2.47