Rochester Century Climate Records
(1900-1999)
Researched and compiled by Todd Rieck, Meteorologist NWS-La Crosse
Temperature:
Warmest day: 108 on July 14th, 1936Coldest day: -40 on January 30th, 1951
Warmest month: 77.6 degrees in July of 1936
Coldest month: -2.3 degrees in January of 1912
Warmest year: 49.8 degrees in 1931
Coldest year: 39.8 degrees in 1917
Warmest spring: 52.1 degrees in 1977
Coldest spring: 39.2 degrees in 1950 (not the all-time record...36.7 in 1888)
Warmest summer: 73.0 degrees in 1949
Coldest summer: 64.0 degrees in 1992 and 1915
Warmest fall: 53.4 degrees in 1931
Coldest fall: 41.8 degrees in 1976
Warmest winter: 26.3 degrees in 1931-31
Coldest winter: 5.6 degrees in 1978-79
Earliest first 32 degree day: August 30th, 1915
Latest first 32 degree day: October 29th, 1973
Earliest last 32 degree day: April 9th, 1985
Latest last 32 degree day: June 9th, 1937
Year with most 90 degree or greater temperatures: 30 in 1988 *
Year with most low temperatures at or below zero: 74 in 1985 *
Precipitation:
Wettest day: 7.47 inches on July 11th, 1981 *Wettest month: 12.33 inches in July 1978
Driest month: Trace in December 1943, June 1910, and March 1910
Wettest year: 43.94 inches in 1990
Driest year: 11.65 inches in 1910
Wettest spring: 14.57 inches in 1990 (not he all-time record...15.99 in 1888)
Driest spring: 3.12 inches in 1910
Wettest summer: 22.86 inches in 1990
Driest summer: 3.78 inches in 1910
Wettest fall: 14.91 inches in 1986
Driest fall: 1.49 inches in 1976
Wettest winter: 5.01 inches in 1931-32 (not the all-time record...5.50 in 1875-76)
Driest winter: 0.71 inches in 1957-58
Snowiest day: 15.4 inches on January 22nd, 1982 *
Snowiest month: 35.1 inches in March 1951
Snowiest season: 84.6 inches in 1996-97
Least snowy season: 9.1 inches in 1967-68
* These records only date back to August 1952.
NOTE: These records are only for 1900-1999 and does not cover the entire climatic record for Rochester. Records for the 1920s are unavailable. In the cases where the record was known to not be the all-time record, that was indicated and the all-time record included. Also, daily precipitation records only date back to August 1952.
