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Norwich August Weather

Averages and records for weather in Norwich, Connecticut in the month of August.

Typical Norwich August Weather 1991–2020
Average daily high	83.2 °F
Average daily low	62.0 °F
Average monthly precipitation	4.6 inches
Average monthly snow	none
Daily chance of precipitation	28.2%
Daily chance of snow	0%

Norwich August Weather Records 1948–2024
Highest temperature	102 °F	August 10, 2001
Lowest temperature	40 °F	August 30, 1986
Highest daily low	79 °F	August 9, 2022
Lowest daily high	60 °F	August 12, 1979
Hottest average high temperature	86.5 °F	2005
Coldest average high temperature	78.1 °F	1954
Most daily precipitation	5.2 inches	August 19, 1991
Most monthly precipitation	12.3 inches	1991
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	84.4	64.0	96	48
August 2	84.2	63.9	96	52
August 3	84.1	63.8	100	48
August 4	84.1	63.8	99	48
August 5	83.9	63.6	94	46
August 6	83.8	63.5	96	50
August 7	83.7	63.4	95	49
August 8	83.7	63.3	96	44
August 9	83.7	63.1	98	48
August 10	83.7	63.0	102	48
August 11	83.6	62.8	96	47
August 12	83.5	62.6	93	45
August 13	83.5	62.4	94	47
August 14	83.4	62.3	97	45
August 15	83.3	62.2	96	45
August 16	83.1	62.0	92	45
August 17	83.0	61.8	93	43
August 18	82.8	61.5	94	47
August 19	82.5	61.2	95	45
August 20	82.3	61.0	95	40
August 21	82.2	60.8	93	40
August 22	82.1	60.7	93	43
August 23	82.0	60.5	91	43
August 24	81.8	60.3	90	40
August 25	81.6	60.2	96	41
August 26	81.4	60.0	100	43
August 27	81.2	59.8	97	45
August 28	81.0	59.5	97	45
August 29	80.8	59.1	94	40
August 30	80.7	58.8	94	40
August 31	80.5	58.6	96	45

Weather Station Details

Years	Station	Coordinates
1956–2024	Norwich Public Utility Plant	location
1952–1956	Norwich 5 SW	location
1948–1952	Norwich	location