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Lebanon May Weather

Averages and records for weather in Lebanon, New Hampshire in the month of May.

Typical Lebanon May Weather 1991–2020
Average daily high	69.4 °F
Average daily low	43.6 °F
Average monthly precipitation	3.5 inches
Daily chance of precipitation	44.8%

Lebanon May Weather Records 1931–2024
Highest temperature	96 °F	May 26, 2010
Lowest temperature	20 °F	May 3, 1966
Highest daily low	68 °F	May 29, 2020
Lowest daily high	38 °F	May 3, 1953
Hottest average high temperature	76.8 °F	2015
Coldest average high temperature	59.1 °F	1967
Most daily precipitation	2.5 inches	May 29, 1984
Most monthly precipitation	8.9 inches	1984

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	63.9	37.6	86	24
May 2	64.2	38.0	89	20
May 3	64.6	38.4	88	20
May 4	64.8	38.6	92	22
May 5	65.0	38.9	92	23
May 6	65.3	39.2	89	25
May 7	65.7	39.5	88	25
May 8	66.0	39.8	93	23
May 9	66.3	40.3	92	21
May 10	66.7	40.8	89	22
May 11	67.2	41.1	90	26
May 12	67.8	41.5	89	26
May 13	68.3	42.0	89	25
May 14	68.7	42.6	91	26
May 15	69.1	43.1	90	26
May 16	69.5	43.5	92	29
May 17	69.9	43.9	91	25
May 18	70.2	44.2	93	22
May 19	70.4	44.5	90	20
May 20	70.6	44.8	92	26
May 21	70.7	45.0	92	29
May 22	70.8	45.3	95	26
May 23	71.0	45.6	93	20
May 24	71.3	45.8	90	26
May 25	71.6	46.0	95	23
May 26	71.8	46.4	96	27
May 27	72.2	46.8	94	28
May 28	72.6	47.3	94	33
May 29	72.8	47.7	91	33
May 30	73.0	48.0	91	30
May 31	73.2	48.3	93	31

Weather Station Details

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