San Bernardino features a hot-summer Mediterranean climate ("Csa" in the Köppen climate classification) with mild winters and hot, dry summers. Relative to other areas in Southern California, winters are colder, with frost and with chilly to cold morning temperatures common. The particularly arid climate during the summer prevents tropospheric clouds from forming, meaning temperatures rise to what is considered by NOAA scientists as Class Orange. Summer thus has temperatures approaching those typical of hot desert climates, with the highest recorded summer temperature at 118 °F (47.8 °C) on July 6, 2018. In the winter, snow flurries occur upon occasion. San Bernardino gets an average of of rain, hail, or light snow showers each year. Arrowhead Springs, San Bernardino's northernmost neighborhood gets snow, heavily at times, due to its elevation of about above sea level.