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Cornwall May Weather

Averages and records for weather in Cornwall, Vermont in the month of May.

Typical Cornwall May Weather 1991–2020
Average daily high	67.7 °F
Average daily low	45.2 °F
Average monthly precipitation	3.2 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	36.5%
Daily chance of snow	0.12%

Cornwall May Weather Records 1886–2024
Highest temperature	95 °F	May 30, 1929
Lowest temperature	20 °F	May 10, 1966
Highest daily low	72 °F	May 31, 1929
Lowest daily high	39 °F	May 10, 2020
Hottest average high temperature	77.6 °F	1911
Coldest average high temperature	57.8 °F	1917
Most daily precipitation	3.2 inches	May 30, 2012
Most monthly precipitation	8.4 inches	2012
Most daily snow	5.0 inches	May 11, 1945
Most monthly snow	5.0 inches	1945

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	62.1	39.3	83	21
May 2	62.5	39.7	85	24
May 3	62.8	40.0	88	24
May 4	63.2	40.2	90	25
May 5	63.3	40.5	89	25
May 6	63.6	40.7	88	23
May 7	64.0	41.0	86	25
May 8	64.4	41.4	90	23
May 9	64.7	41.8	92	24
May 10	65.2	42.4	94	20
May 11	65.6	42.8	88	24
May 12	66.0	43.3	87	27
May 13	66.4	43.7	86	27
May 14	66.9	44.2	88	28
May 15	67.3	44.7	89	28
May 16	67.8	45.2	89	26
May 17	68.1	45.5	89	23
May 18	68.4	45.8	92	28
May 19	68.7	46.1	92	29
May 20	69.0	46.4	90	30
May 21	69.2	46.6	91	31
May 22	69.3	46.8	94	33
May 23	69.5	47.1	90	32
May 24	69.7	47.4	87	28
May 25	70.0	47.6	86	27
May 26	70.3	47.9	90	34
May 27	70.6	48.3	94	29
May 28	70.9	48.7	92	32
May 29	71.2	49.1	91	31
May 30	71.5	49.4	95	34
May 31	71.8	49.8	91	30

Weather Station Details

Years	Station	Coordinates
1886–2024	Cornwall	location