Average May Temperature in Lebanon by Year

This page contains a list of the average monthly high and low temperatures in Lebanon, New Hampshire for the month of May each year between 1931 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Lebanon?

1942 was the warmest May in the history of Lebanon, New Hampshire. The average daily high temperature was 75.6 °F, and the average low was 47.7 °F.

What Was the Coldest May Ever in Lebanon?

1967 was the coolest May in the history of Lebanon, New Hampshire. The average daily high temperature was 59.1 °F, and the average low was 34.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	49	71.1	39.3
2022	3	75.3	46.7
2021	25	70.3	43.9
2020	29	70.6	42.9
2019	52	65.2	44.7
2018	5	76.1	45.8
2017	48	66.0	44.5
2016	22	70.2	44.5
2015	2	76.8	45.4
2014	31	69.2	43.9
2013	21	72.3	42.6
2012	7	72.1	48.1
2011	8	70.9	48.0
2010	4	75.7	46.2
2009	34	69.1	43.3
2008	60	68.3	38.8
2007	35	71.1	41.3
2006	30	67.3	45.9
2005	71	62.9	40.2
2004	37	68.3	44.1
2003	63	63.8	41.8
2002	70	64.2	39.9
2001	45	70.0	41.2
2000	50	66.6	43.6
1999	24	71.2	43.0
1989	14	70.1	46.6
1988	16	69.2	46.4
1987	36	68.8	43.5
1986	13	70.0	46.9
1985	46	67.7	43.0
1984	69	63.3	40.8
1983	62	63.1	43.4
1982	17	71.4	44.2
1981	20	71.4	43.8
1980	38	69.5	42.7
1979	18	68.2	47.3
1978	15	71.4	44.8
1977	12	74.1	43.3
1976	57	66.4	41.5
1975	6	75.2	46.5
1974	72	62.2	40.4
1973	61	63.4	43.1
1972	41	68.7	43.4
1971	56	67.2	41.0
1970	42	67.9	43.8
1969	67	65.6	39.2
1968	68	64.6	39.6
1967	79	59.1	34.8
1966	76	63.8	36.9
1965	32	72.1	40.6
1964	23	72.6	42.1
1963	65	67.5	37.8
1960	10	72.7	45.9
1959	28	71.6	42.0
1958	74	64.2	37.5
1957	58	68.0	39.8
1956	78	62.9	34.4
1955	11	74.4	43.5
1954	59	65.4	41.9
1953	33	68.5	44.1
1952	73	63.3	38.8
1951	54	69.3	39.9
1950	53	67.9	41.6
1949	39	71.2	40.9
1947	51	68.1	41.8
1946	66	65.4	39.6
1945	75	61.3	39.5
1944	9	75.1	43.8
1943	55	66.6	42.0
1942	1	75.6	47.7
1940	27	70.0	43.8
1938	64	66.7	38.9
1937	26	71.6	42.3
1936	19	72.8	42.6
1935	77	64.0	35.8
1934	43	72.0	39.4
1933	40	71.5	40.6
1932	47	71.4	39.1
1931	44	69.5	41.7

Weather Station Details

Years	Station	Coordinates
1962–2024	Lebanon Municipal Airport	location
1931–1961	West Lebanon	location