 The monthly mean temperature ranges from in January to in July, with temperatures not reaching above freezing on an average 34 afternoons and falling to or below on an average of 5.8 mornings; from 1981 to 2010, only thirteen years ever reached .The average first and last dates for freezing temperatures are September 28 and May 15, respectively; for measurable (≥) snowfall, they are November 13 and April 7.The state record low of was recorded here on January 13, 1912; the record high is on August 7, 1918, which, together with the preceding day, are the only two instances of + readings on record in Oakland.