Klamath Falls, OR: May

31 May 2026: May 2026 averaged 54°F in Klamath Falls, OR, the warmest May since 2025, 45th warmest of 121.

May 2026

Mean temperature: 54°F; Warmest since 2025; 45th warmest of 121
Precipitation: 1.89 in; Wettest since 2023; 13th wettest of 124

A normal May in Klamath Falls, OR (1991 to 2020): a mean temperature of 52.4°F, between 48.9°F and 56°F in eight years of ten and 0.90 in of precipitation, between 0.26 in and 2.18 in in eight years of ten.

The mean temperature of every May in Klamath Falls, OR since 1899: 54°F in 2026; the highest is 63.8°F, in 1992.

Normal range, 48.9 to 56°F

Every year, ranked, as a table

Every May in Klamath Falls, OR from 1899 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	54	45	71.8	17	36.2	90	1.89	13	0
2025	54.6	36	71.5	19	37.6	69	0.31	100	0
2024	49.9	99	67.2	70	32.5	122	0.72	68	0
2023	54.8	31	69.7	36	39.8	40	2.24	7	0
2022	47.1	115	63	103	31.4	124	0.41	91	1
2021	52.5	71	70.3	30	34.6	111	0.10	118	0
2020	53	64	68.4	54	37.7	68	1.18	39	0
2019	52	78	67	72	36.9	80	1.62	21	0
2018	55.5	26	71.4	20	39.6	43	1.40	29	0
2017	53.3	56	70.2	31	36.4	86	0.29	102	0
2016	52.9	66	67.7	64	38	63	0.81	61	0
2015	52.4	73	67.7	64	37.2	75	1.46	26	0
2014	53.1	60	69.5	39	36.6	83	1.32	33	0
2013	52.1	77	68	62	36.2	90	0.86	56	0
2012	51.5	85	68.2	59	34.9	109	0.41	91	0
2011	45.7	120	59.2	118	32.2	123	0.62	75	0
2010	45.4	121	58	119	32.7	120	0.72	68	0
2009	54.1	43	69.3	41	39	50	1.31	34	0
2008	51.3	88	65.7	83	36.9	80	1.98	10	0
2007	53.1	60	70	32	36.2	90	0.28	103	0
2006	53.3	56	68.2	59	38.5	59	0.28	103	0
2005	51.3	88	63.2	102	39.5	44	2.46	5	0
2004	50.7	92	64.9	89	36.5	84	0.90	51	0
2003	50.3	95	64.4	94	36.2	90	1.30	35	0
2002	49.9	99	64.6	90	35.1	106	0.19	110	0
2001	54.8	31	73.8	9	35.8	99	0.61	76	0
2000									18
1999							0.20	109	16
1998	47.6	114	59.5	117	36.1	96	4.83	1	1
1997	60.2	2	76.7	2	43.6	6	0.70	72	1
1996	51.8	79	66.6	76	37	78	1.95	11	0
1995	55.7	25	68.3	57	43	10	0.78	62	0
1994	56.4	18	71.4	20	41.5	21	2.37	6	0
1993					41.4	23	2.13	8	4
1992	63.8	1	81.1	1	46.7	1	0.13	113	1
1991	49.8	102	63.4	101	36.1	96	1.71	20	2
1990					37	78	1.85	16	4
1989	52.5	71	66.1	81	39	50	0.90	51	2
1988	52.6	70	68.8	49	36.4	86	1.17	40	2
1987	57.3	11	72.2	16	42.1	16	0.35	98	2
1986	54.2	40	68.8	49	39.7	41	0.89	54	0
1985	53.5	51	68.5	52	38.4	62	0.39	93	1
1984	53.8	48	68.4	54	38.7	54	0.51	82	1
1983	54.8	31	69.3	41	40.2	35	0.56	80	2
1982	54.1	43	68.9	46	39.5	44	0.25	105	1
1981	51.5	85	65	88	38	63	1.11	44	0
1980	51.7	80	65.7	83	37.6	69	0.84	60	1
1979	55.5	26	69.6	38	41.5	21	1.50	25	0
1978	50.6	93	65.1	87	36.2	90	0.22	108	0
1977	46	119	57.8	121	34.4	113	2.01	9	1
1976	54.8	31	70.7	26	39	50	0.23	106	0
1975	53.1	60	68.9	46	37.3	72	0.14	112	1
1974	51.7	80	67	72	36.4	86	0.13	113	0
1973	57.7	8	74.8	5	40.3	34	0.47	86	1
1972	56.3	19	71.6	18	41	29	0.43	89	0
1971	52.4	73	66.3	80	38.5	59	3.46	3	0
1970	53.5	51	69.8	35	37.1	77	0.38	94	0
1969	57.6	9	72.6	14	42.7	12	0.85	58	0
1968	52.4	73	67.6	66	37.2	75	0.73	66	0
1967	52.8	67	68.3	57	37.3	72	1.35	31	0
1966	56.6	14	72.5	15	40.7	31	0.38	94	0
1965	50.4	94	65.4	86	35.3	104	0.36	97	0
1964	49	105	64.4	94	33.7	117	0.72	68	0
1963	54.2	40	68.1	61	40.4	32	0.85	58	0
1962	48.2	109	60.9	115	35.5	103	0.95	50	0
1961	50	97	63.5	99	36.5	84	1.35	31	0
1960	48.3	108	62.4	108	34.2	114	1.17	40	0
1959	48.1	110	62.8	105	33.5	118	0.49	84	0
1958	56.6	14	74.7	6	38.5	59	1.14	42	0
1957	53.8	48	65.6	85	42.1	16	1.87	14	1
1956	54.9	29	66.5	78	43.3	9	1.58	22	0
1955	51	91	63.5	99	38.6	57	0.01	122	0
1954	57.2	12	71.3	22	43	10	0.17	111	0
1953	46.7	117	57.2	122	36.2	90	1.87	14	0
1952	56	21	68.5	52	43.4	7	0.86	56	1
1951	53.9	46	66.5	78	41.2	26	0.97	48	0
1950	53.1	60	66.9	74	39.3	49	0.30	101	0
1949	55.9	23	68.6	51	43.4	7	1.79	17	1
1948	50	97	62	110	38	63	1.28	36	0
1947	59.3	5	73.8	9	44.7	3	1.46	26	0
1946	55.4	28	69.5	39	41.4	23	1.36	30	0
1945	52.8	67	64.3	96	41.2	26	4.75	2	0
1944	53	64	67.2	70	38.7	54	0.77	63	0
1943	51.2	90	64.6	90	37.8	67	0.64	74	0
1942	49.1	104	61.8	111	36.4	86	1.94	12	0
1941	54.2	40	66.1	81	42.3	15	1.54	24	0
1940	58.9	6	73.1	13	44.8	2	0.37	96	1
1939	55.8	24	69.9	33	41.6	19	0.75	65	0
1938	53.3	56	66.6	76	40	38	0.12	116	0
1937	56.6	14	73.3	12	40	38	0.43	89	0
1936	56	21	70.5	28	41.6	19	1.08	45	0
1935	53.4	54	67.4	68	39.5	44	0.49	84	0
1934	56.9	13	71.3	22	42.5	14	0.61	76	0
1933	46.5	118	57.9	120	35	107	1.28	36	0
1932	52.3	76	64.6	90	40.1	36	2.47	4	0
1931	59.6	4	74.6	7	44.5	4	0.89	54	0
1930	49.9	99	63.7	97	36.1	96	0.58	78	0
1929	53.6	50	68.4	54	38.8	53	0.05	120	0
1928	57.6	9	73.8	9	41.3	25	trace	123	1
1927	47.7	113	61.4	112	33.9	116	1.03	47	0
1926	54.4	37	69.2	43	39.7	41	0.13	113	0
1925	54.9	29	68	62	41.8	18	1.74	18	0
1924	60.1	3	76.2	3	44	5	0.05	120	0
1923	51.6	83	64.5	93	38.7	54	0.57	79	0
1922	54.3	38	69.2	43	39.5	44	1.13	43	0
1921	53.9	46	66.7	75	41.1	28	1.22	38	0
1920	51.6	83	67.5	67	35.8	99	0.33	99	0
1919	56.1	20	74.2	8	37.9	66	trace	123	0
1918	51.7	80	68.9	46	34.5	112	0.12	116	0
1917	49.6	103	62.1	109	36.8	82	0.73	66	2
1916	48.1	110	61.4	112	34.9	109	0.55	81	0
1915	50.1	96	62.6	106	37.5	71	1.72	19	0
1914	56.6	14	70.6	27	42.6	13	0.67	73	0
1913	53.4	54	67.4	68	39.4	48	0.71	71	0
1912	51.5	85	62.9	104	40.1	36	1.45	28	0
1911	47.9	112	60.1	116	35.7	101	0.77	63	0
1910	54.3	38	69.9	33	38.6	57	0.97	48	0
1909	49	105	63.7	97	34.2	114	0.47	86	0
1908					32.6	121	1.08	45	6
1907	53.3	56	70.9	24	35.7	101	0.23	106	0
1906			70.8	25			0.90	51	4
1905	47.1	115	61	114	33.2	119	1.56	23	1
1904	57.9	7	75.1	4	40.8	30	0.45	88	0
1902	52.8	67	70.4	29	35.2	105	0.50	83	1
1901	54.8	31	69.2	43	40.4	32			0
1900	53.5	51	69.7	36	37.3	72			2
1899	48.8	107	62.6	106	35	107	0.10	118	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1992	63.8
1997	60.2
1924	60.1
1931	59.6
1947	59.3
1940	58.9
1904	57.9
1973	57.7
1969	57.6
1928	57.6

Coldest
Year	Mean, °F
2010	45.4
2011	45.7
1977	46
1933	46.5
1953	46.7
2022	47.1
1905	47.1
1998	47.6
1927	47.7
1911	47.9

Wettest
Year	Precipitation, in
1998	4.83
1945	4.75
1971	3.46
1932	2.47
2005	2.46
1994	2.37
2023	2.24
1993	2.13
1977	2.01
2008	1.98

Driest
Year	Precipitation, in
1928	trace
1919	trace
1955	0.01
1929	0.05
1924	0.05
2021	0.10
1899	0.10
1938	0.12
1918	0.12
1992	0.13
More years share the last value

The hottest, coldest and wettest days

Hottest day: 84°F; 11 May 2026
Coldest night: 26°F; 18 May 2026, 14 May 2026
Wettest day: 1.15 in; 28 May 2026

Every month, season and year

Months

Seasons

Years

Klamath Falls, OR the day's answers

All-time records

Every answer in words

May 2026 brought 1.89 in of precipitation in Klamath Falls, OR, the wettest May since 2023, 13th wettest of 124.
The hottest day of May 2026 in Klamath Falls, OR: 84°F on Monday 11 May 2026.
The coldest night of May 2026 in Klamath Falls, OR: a low of 26°F on Monday 18 May 2026 and Thursday 14 May 2026.
The wettest day of May 2026 in Klamath Falls, OR: 1.15 in on Thursday 28 May 2026.