Chattanooga, as with much of Tennessee, has a four-season humid subtropical climate (Köppen Cfa). Winter days are usually mild but there are several days per year where conditions stay at or below freezing temperatures all day. Snow is not common; the 1971–2000 snowfall seasonal median was 0.6 inches (1.5 cm). However, in the winter of 2011, 11 inches was recorded between January 9–10, 2011. Summers are hot and humid, with a July daily mean of 79.6 °F (26.4 °C) and 46 days annually with 90 °F (32 °C) or greater temperatures
