In San Antonio, summers are hot and oppressive, winters are short and cool, and it's partly cloudy all year round. Throughout the year, the temperature typically ranges from 43°F to 96°F and is rarely lower than 31°F or higher than 101°F. The month with the fewest wet days in San Antonio is January, with 0.8 muggy days or worse. According to this score, the best time of year to visit San Antonio and do activities in warm climates is from mid-May to the end of September, with a maximum score in the second week of June.
For each station, the records are corrected for the difference in elevation between that station and San Antonio according to the International Standard Atmosphere, and for the relative change present in the reanalysis of the MERRA-2 satellite era between the two locations. The month with the least amount of wet days in San Antonio is December, with an average of 4.3 days with at least 0.04 inches of precipitation. Ben Gardane, Tunisia (6,136 miles away); Ismailia, Egypt (7,183 miles); and Riāsi, India (8,105 miles) are the faraway foreign places with temperatures most similar to those of San Antonio (see comparison). The month with the most wet days in San Antonio is May, with an average of 9.2 days with at least 0.04 inches of precipitation.
The cloudiest month of the year in San Antonio is January, during which the sky is overcast or cloudy 45% of the time. The average hourly wind speed in San Antonio experiences slight seasonal variation over the course of the year. The clearest month of the year in San Antonio is June, during which the sky is clear, mostly clear, or partly cloudy 71% of the time. The hottest month of the year in San Antonio is August, with an average high of 95° F and a low of 75° F.
According to this score, the best times of the year to visit San Antonio and do general outdoor tourist activities are from late March to early June and from mid-September to early November, with a maximum score in the last week of April. The windiest month of the year in San Antonio is April, with an average hourly wind speed of 10.3 miles per hour. For the purposes of this report, the geographical coordinates of San Antonio are 29,424 degrees of latitude, -98,494 degrees of longitude and 636 feet of elevation.