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Watertown July Weather

Averages and records for weather in Watertown, South Dakota in the month of July.

Typical Watertown July Weather 1991–2020
Average daily high	82.1 °F
Average daily low	60.1 °F
Average monthly precipitation	3.0 inches
Average monthly snow	none
Daily chance of precipitation	30.6%
Daily chance of snow	0%

Watertown July Weather Records 1893–2024
Highest temperature	110 °F	July 21, 1934
Lowest temperature	35 °F	July 3, 1917
Highest daily low	78 °F	July 16, 2012
Lowest daily high	57 °F	July 18, 2000
Hottest average high temperature	96.5 °F	1936
Coldest average high temperature	72.0 °F	1992
Most daily precipitation	3.5 inches	July 20, 1897
Most monthly precipitation	10.4 inches	1963
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
July 1	80.5	58.8	97	40
July 2	80.7	59.0	100	43
July 3	81.0	59.2	100	35
July 4	81.1	59.4	102	40
July 5	81.3	59.6	100	42
July 6	81.5	59.7	104	40
July 7	81.6	59.8	100	41
July 8	81.7	59.9	98	40
July 9	81.8	59.9	105	40
July 10	81.8	60.0	108	40
July 11	81.9	60.0	104	44
July 12	81.9	60.1	103	40
July 13	82.0	60.1	101	38
July 14	82.0	60.2	104	40
July 15	82.0	60.1	106	38
July 16	82.1	60.2	105	41
July 17	82.3	60.2	103	38
July 18	82.3	60.2	105	45
July 19	82.3	60.1	104	40
July 20	82.3	60.1	102	40
July 21	82.2	60.1	110	40
July 22	82.1	60.0	106	39
July 23	82.0	59.9	106	43
July 24	82.0	59.9	109	44
July 25	82.1	60.0	105	43
July 26	82.0	59.9	106	45
July 27	81.9	59.8	105	42
July 28	81.9	59.7	105	41
July 29	81.7	59.7	107	44
July 30	81.5	59.5	108	37
July 31	81.3	59.3	104	41

Weather Station Details

Years	Station	Coordinates
1893–2024	Watertown Regional Airport	location