San Antonio has about a 50% chance of the sunshine during the winter months and more than a 70% chance during the summer months. Skies are clear to partly cloudy more than 60% of the time and cloudy less than 40% of the time.

Average temperatures range from 50's in January to the mid 90s in July and August. While the summer is hot, with daily temperatures above 90o over 80% of the time, extremely high temperatures (100o and over) and rare. Mild weather prevails during the winter months, with temperatures below freezing occurring on an average of about 20 days per year.

Relative humidity is above 80% during the early morning hours most of the year, dropping to near 50% in the late afternoon. The normal annual rainfall is about 28 inches, with the heaviest amounts occurring during May and September. Measurable snow falls only once every three or four years (if we’re lucky).

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