San Antonio is a city with hot and oppressive summers, short and cool winters, and partly cloudy skies all year round. The temperature typically ranges from 43°F to 96°F, rarely going lower than 31°F or higher than 101°F. The least muggy month is January, with 0.8 days of muggy weather or worse. The best time to visit San Antonio and do activities in warm climates is from mid-May to the end of September, with the peak in the second week of June. The least rainy month in San Antonio is December, with an average of 4.3 days with at least 0.04 inches of precipitation.
Ben Gardane, Tunisia; Ismailia, Egypt; and Riāsi, India are the faraway places with temperatures most similar to San Antonio. The wettest month is May, with an average of 9.2 days with at least 0.04 inches of precipitation. The cloudiest month in San Antonio is January, when the sky is overcast or cloudy 45% of the time. June is the clearest month, when the sky is clear, mostly clear, or partly cloudy 71% of the time. August is the hottest month, with an average high of 95° F and a low of 75° F.The best times 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 peak in the last week of April.
April is the windiest month, with an average hourly wind speed of 10.3 miles per hour.