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City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, D.C. West Virginia Wisconsin Wyoming

City: Boise Lewiston Pocatello

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Lewiston, Idaho

Average Temperature Rankings, May 2018

View Period (Months):All1234567891011121824364860

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• Record Warmest

Period	Value	1981-2010 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2018 1-Month	64.9°F (18.3°C)	59.2°F (15.1°C)	5.7°F (3.2°C)	124th Coolest	Coolest since: 2017	1896
				5th Warmest	Warmest since: 1958	1936
Apr–May 2018 2-Month	58.7°F (14.8°C)	55.4°F (13.0°C)	3.3°F (1.8°C)	119th Coolest	Coolest since: 2017	1955
				10th Warmest	Warmest since: 2016	1934
Mar–May 2018 3-Month	54.3°F (12.4°C)	52.1°F (11.2°C)	2.2°F (1.2°C)	116th Coolest	Coolest since: 2017	1955
				13th Warmest	Warmest since: 2016	1934
	Ties: 1925
Feb–May 2018 4-Month	50.3°F (10.2°C)	48.8°F (9.3°C)	1.5°F (0.9°C)	114th Coolest	Coolest since: 2017	1955
				15th Warmest	Warmest since: 2016	1934
	Ties: 1930
Jan–May 2018 5-Month	48.3°F (9.1°C)	46.3°F (7.9°C)	2.0°F (1.2°C)	121st Coolest	Coolest since: 2017	1929
				8th Warmest	Warmest since: 2016	1934
Dec 2017–May 2018 6-Month	45.4°F (7.4°C)	44.2°F (6.8°C)	1.2°F (0.6°C)	108th Coolest	Coolest since: 2017	1929
				17th Warmest	Warmest since: 2016	1992
	Ties: 2004
Nov 2017–May 2018 7-Month	45.1°F (7.3°C)	43.9°F (6.6°C)	1.2°F (0.7°C)	115th Coolest	Coolest since: 2017	1929
				10th Warmest	Warmest since: 2016	1992
	Ties: 1990, 2013
Oct 2017–May 2018 8-Month	45.9°F (7.7°C)	44.9°F (7.2°C)	1.0°F (0.5°C)	108th Coolest	Coolest since: 2017	1917
				15th Warmest	Warmest since: 2016	2016
	Ties: 2021
Sep 2017–May 2018 9-Month	48.1°F (8.9°C)	47.0°F (8.3°C)	1.1°F (0.6°C)	106th Coolest	Coolest since: 2017	1917
				16th Warmest	Warmest since: 2016	1992, 2015
	Ties: 1988, 1990, 1998, 2004
Aug 2017–May 2018 10-Month	51.0°F (10.6°C)	49.7°F (9.8°C)	1.3°F (0.8°C)	112th Coolest	Coolest since: 2017	1917
				10th Warmest	Warmest since: 2016	1992
	Ties: 1941, 2005
Jul 2017–May 2018 11-Month	53.6°F (12.0°C)	52.1°F (11.2°C)	1.5°F (0.8°C)	115th Coolest	Coolest since: 2017	1917
				7th Warmest	Warmest since: 2016	2015
Jun 2017–May 2018 12-Month	54.8°F (12.7°C)	53.2°F (11.8°C)	1.6°F (0.9°C)	114th Coolest	Coolest since: 2017	1917
				8th Warmest	Warmest since: 2016	2016
	Ties: 2013
Dec 2016–May 2018 18-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	87th Coolest	Coolest since: 2012	1917
				34th Warmest	Warmest since: 2017	2016
	Ties: 2008, 2020
Jun 2016–May 2018 24-Month	53.6°F (12.0°C)	53.2°F (11.8°C)	0.4°F (0.2°C)	94th Coolest	Coolest since: 2012	1917
				25th Warmest	Warmest since: 2017	2016
	Ties: 1927, 1991, 2008
Jun 2015–May 2018 36-Month	54.6°F (12.6°C)	53.2°F (11.8°C)	1.4°F (0.8°C)	111th Coolest	Coolest since: 2014	1957
				6th Warmest	Warmest since: 2017	2016
Jun 2014–May 2018 48-Month	55.0°F (12.8°C)	53.2°F (11.8°C)	1.8°F (1.0°C)	112th Coolest	Coolest since: 2017	1913
				3rd Warmest	Warmest since: 2016	2016
Jun 2013–May 2018 60-Month	54.6°F (12.6°C)	53.2°F (11.8°C)	1.4°F (0.8°C)	111th Coolest	Coolest since: 2017	1917
				2nd Warmest	Warmest since: 2017	2016
	Ties: 2017, 2019

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on October 6, 2022 from https://www.ncdc.noaa.gov/cag/