Number of Days of 100 °F in Walla Walla by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Walla Walla, Washington, between 1949 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2015 holds the record for the most 100 °F days in Walla Walla history. There were 17 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Walla Walla so far in 2024. As of April 29, the highest temperature this year is 77 °F.

The last time it reached at least 100° F was August 28, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	67	0
2023	41	6
2022	19	10
2021	13	12
2020	24	9
2019	56	3
2018	19	10
2017	15	11
2016	56	3
2015	1	17
2014	10	13
2013	35	7
2012	35	7
2011	67	0
2010	53	4
2009	8	14
2008	30	8
2007	30	8
2006	15	11
2005	41	6
2004	46	5
2003	24	9
2002	35	7
2001	30	8
2000	53	4
1999	56	3
1998	67	0
1997	67	0
1996	67	0
1995	67	0
1994	10	13
1993	65	1
1992	7	15
1991	46	5
1990	6	16
1989	63	2
1988	41	6
1987	24	9
1986	56	3
1985	1	17
1984	15	11
1983	41	6
1982	30	8
1981	1	17
1980	56	3
1979	35	7
1978	13	12
1977	8	14
1976	53	4
1975	30	8
1974	46	5
1973	24	9
1972	19	10
1971	1	17
1970	10	13
1969	65	1
1968	24	9
1967	1	17
1966	67	0
1965	19	10
1964	56	3
1963	67	0
1962	35	7
1961	15	11
1960	24	9
1959	46	5
1958	35	7
1957	67	0
1956	19	10
1955	41	6
1954	67	0
1953	46	5
1952	46	5
1951	63	2
1950	56	3
1949	46	5

Weather Station Details

Years	Station	Coordinates
1949–2024	Walla Walla Regional Airport	location