Charlotte, like much of the Piedmont region of the southeastern United States, has a humid subtropical climate, with four distinct seasons. Winters are short and generally cool, with a January daily average of 40.1 °F. On average, there are 59 nights per year that drop to or below freezing, and only 1.5 days that fail to rise above freezing. Summers are hot and humid, with a daily average in July of 78.5 °F. The average window for freezing temperatures is November 5 through March 30, allowing a growing season of 220 days.
Charlotte is directly in the path of subtropical moisture from the Gulf of Mexico as it heads up the eastern seaboard, thus the city receives ample precipitation throughout the year but also many clear, sunny days; precipitation is generally less frequent in autumn than in spring. On average, Charlotte receives 41.6 inches of precipitation annually, which is somewhat evenly distributed throughout the year, although summer is slightly wetter; annual precipitation has historically ranged from 26.23 inches in 2001 to 68.44 inches in 1884. In addition, there is an average of 4.3 inches of snow, mainly in January and February and rarely December or March, with more frequent ice storms and sleet mixed in with rain. These storms can have a major impact on the area, as they often pull tree limbs down onto power lines and make driving hazardous.
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