 Under the Köppen climate classification , Lock Haven is in zone <unk> meaning a humid continental climate with hot or very warm summers . The average temperature here in January is 28 ° F ( − 2 ° C ) , and in July it is 73 ° F ( 23 ° C ) . Between 1888 and 1996 , the highest recorded temperature for the city was 106 ° F ( 41 ° C ) in 1936 , and the lowest recorded temperature was − 22 ° F ( − 30 ° C ) in 1912 . The average wettest month is June . Between 1926 and 1977 the mean annual precipitation was about 39 inches ( 990 mm ) , and the number of days each year with precipitation of 0 @.@ 1 inches ( 2 @.@ 5 mm ) or more was 77 . Annual snowfall amounts between 1888 and 1996 varied from 0 in several years to about 65 inches ( 170 cm ) in 1942 . The maximum recorded snowfall in a single month was 38 inches ( 97 cm ) in April 1894 . 
