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St. Johns July Weather

Averages and records for weather in St. Johns, Arizona in the month of July.

Typical St. Johns July Weather 1991–2020
Average daily high	90.6 °F
Average daily low	59.8 °F
Average monthly precipitation	1.8 inches
Average monthly snow	none
Daily chance of precipitation	21.4%
Daily chance of snow	0%

St. Johns July Weather Records 1901–2024
Highest temperature	104 °F	July 3, 1923
Lowest temperature	38 °F	July 28, 1913
Highest daily low	76 °F	July 14, 1925
Lowest daily high	68 °F	July 28, 1921
Hottest average high temperature	98.1 °F	2023
Coldest average high temperature	83.5 °F	1914
Most daily precipitation	2.8 inches	July 16, 1953
Most monthly precipitation	5.9 inches	1921
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	91.4	57.2	103	42
July 2	91.4	57.5	104	44
July 3	91.4	57.8	104	46
July 4	91.4	58.1	104	42
July 5	91.4	58.3	102	41
July 6	91.4	58.5	101	42
July 7	91.4	58.7	102	42
July 8	91.3	58.9	100	43
July 9	91.3	59.1	102	47
July 10	91.1	59.3	103	48
July 11	91.0	59.4	103	48
July 12	90.9	59.5	101	43
July 13	90.9	59.7	103	45
July 14	90.8	59.7	102	46
July 15	90.7	59.8	101	48
July 16	90.6	59.9	102	45
July 17	90.4	60.0	103	47
July 18	90.3	60.0	101	50
July 19	90.2	60.1	102	48
July 20	90.1	60.1	101	48
July 21	90.0	60.1	103	44
July 22	89.9	60.1	100	42
July 23	89.8	60.0	100	45
July 24	89.7	60.0	102	46
July 25	89.7	60.0	98	43
July 26	89.6	60.0	99	47
July 27	89.5	59.9	99	42
July 28	89.3	59.9	102	38
July 29	89.3	59.9	99	45
July 30	89.2	59.8	100	45
July 31	89.1	59.7	103	46

Weather Station Details

Years	Station	Coordinates
1901–2024	St. Johns	location