San Angelo's winters are typically cool, with temperatures often below freezing in January and February, but gradually warming up by March. Spring brings mild temperatures, with April and May averaging around 16-21 degrees Celsius, making it a pleasant time of year. Summers are hot, with July and August being the warmest months, reaching highs around 26-27 degrees Celsius, while nighttime lows remain relatively cool. Autumn is characterized by gradual cooling, with October and November temperatures dipping back into the teens, before warming up again in December. Overall, San Angelo's temperature fluctuations are moderate, with minimal extreme variations throughout the year.