Bishop, as well as the rest of the Owens Valley, has an arid climate (Köppen "BWk") with an annual average of of precipitation, and is part of USDA Plant Hardiness Zone 7b. The wettest year was 1969 with of precipitation and the driest 2013 with . Measurable precipitation occurs on an average of 27.6 days annually. The most precipitation in one month was in January 1969, which included on January 4, the most rainfall recorded in 24 hours in Bishop. Snowfall averages per season. The snowiest season was from July 1968 to June 1969 with , which included the snowiest month, January 1969, at .