The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).įor each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The coldest month of the year in San Antonio is January, with an average low of 43☏ and high of 64☏.Īverage High and Low Temperature in San Antonio The cool season lasts for 2.8 months, from November 27 to February 20, with an average daily high temperature below 70☏. The hottest month of the year in San Antonio is August, with an average high of 95☏ and low of 75☏. The hot season lasts for 3.7 months, from May 30 to September 19, with an average daily high temperature above 89☏. Click on each chart for more information. CoolcomfortablewarmhothotwarmJanFebMarAprMayJunJulAugSepOctNovDecNowNow73%73%54%54%clearovercastprecipitation: 3.6 inprecipitation: 3.6 in1.4 in1.4 inmuggy: 89%muggy: 89%2%2%drydrybeach/pool score: 6.8beach/pool score: 6.80.70.7

San antonio weather in celsius