Vancouver has an oceanic climate ("Cfb" in the Köppen climate classification). The average precipitation per year is 1189 mm, mostly from October to April. High temperatures in the summer average 22 °C. The highest temperature ever recorded was 34.4 °C on July 30, 2009. On average, snow falls on only 11 days per year. The snow is usually wet, not very deep, and melts in the rain. On average, on only 4.5 days a year does the temperature not rise above freezing.