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Cornwall August Weather

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

Typical Cornwall August Weather 1991–2020
Average daily high	79.5 °F
Average daily low	57.6 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	34.8%
Daily chance of snow	0%

Cornwall August Weather Records 1886–2024
Highest temperature	104 °F	August 21, 1916
Lowest temperature	32 °F	August 30, 2017
Highest daily low	76 °F	August 3, 2006
Lowest daily high	56 °F	August 19, 2007
Hottest average high temperature	86.0 °F	1939
Coldest average high temperature	71.6 °F	1903
Most daily precipitation	4.7 inches	August 18, 1986
Most monthly precipitation	9.3 inches	1986
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	81.1	59.7	100	41
August 2	81.0	59.6	100	44
August 3	80.9	59.5	96	42
August 4	80.8	59.4	96	45
August 5	80.6	59.4	97	39
August 6	80.5	59.2	96	42
August 7	80.4	58.9	100	44
August 8	80.3	58.8	96	42
August 9	80.2	58.7	97	42
August 10	80.1	58.5	99	40
August 11	80.0	58.4	96	45
August 12	80.0	58.2	94	44
August 13	79.9	58.1	97	42
August 14	79.8	58.0	95	42
August 15	79.7	57.9	96	45
August 16	79.5	57.7	94	41
August 17	79.3	57.4	96	39
August 18	79.1	57.1	94	39
August 19	78.9	56.8	96	39
August 20	78.7	56.6	96	40
August 21	78.7	56.5	104	40
August 22	78.7	56.4	94	35
August 23	78.5	56.2	92	37
August 24	78.3	56.1	94	38
August 25	78.2	55.9	94	36
August 26	78.0	55.7	96	42
August 27	77.8	55.4	94	40
August 28	77.5	55.0	93	36
August 29	77.3	54.6	94	32
August 30	77.0	54.4	95	32
August 31	76.8	54.1	92	34

Weather Station Details

Years	Station	Coordinates
1886–2024	Cornwall	location