The climate of New Orleans is humid subtropical (Koppen climate classification Cfa), with short, generally mild winters and hot, humid summers. In January, morning lows average around 43 °F (6 °C), and daily highs around 62 °F (17 °C). In July, lows average 74 °F (23 °C), and highs average 91 °F (33 °C). The lowest recorded temperature was 7 °F (?14 °C) on February 13, 1899. The highest recorded temperature was 102 °F (39 °C) on August 22, 1980. The average precipitation is 64.2 inches (1,630 mm) annually; the summer months are the wettest, while October is the driest month. Precipitation in winter usually accompanies the passing of a cold front.