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St. Johns October Weather

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

Typical St. Johns October Weather 1991–2020
Average daily high	72.0 °F
Average daily low	38.6 °F
Average monthly precipitation	0.7 inches
Average monthly snow	0.5 inches
Daily chance of precipitation	8.3%
Daily chance of snow	0.58%

St. Johns October Weather Records 1901–2024
Highest temperature	92 °F	October 8, 1934
Lowest temperature	7 °F	October 31, 2019
Highest daily low	67 °F	October 1, 2000
Lowest daily high	33 °F	October 27, 2020
Hottest average high temperature	82.3 °F	1950
Coldest average high temperature	63.9 °F	1984
Most daily precipitation	1.8 inches	October 12, 1957
Most monthly precipitation	3.9 inches	1974
Most daily snow	8.0 inches	October 29, 1961
Most monthly snow	16.5 inches	1961

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	78.2	44.6	90	26
October 2	77.9	44.2	90	28
October 3	77.6	43.9	90	28
October 4	77.3	43.6	89	26
October 5	77.0	43.2	87	25
October 6	76.7	42.8	91	24
October 7	76.3	42.4	87	25
October 8	75.9	42.0	92	26
October 9	75.6	41.7	92	23
October 10	75.1	41.3	87	20
October 11	74.7	40.9	90	19
October 12	74.1	40.5	89	22
October 13	73.6	40.0	87	19
October 14	73.0	39.5	84	24
October 15	72.5	39.1	85	22
October 16	72.0	38.6	88	24
October 17	71.5	38.1	87	20
October 18	70.9	37.6	88	21
October 19	70.5	37.1	85	16
October 20	70.1	36.7	84	19
October 21	69.7	36.4	86	16
October 22	69.4	36.0	86	15
October 23	69.0	35.7	88	13
October 24	68.7	35.4	84	15
October 25	68.3	35.1	84	18
October 26	67.9	34.8	85	16
October 27	67.5	34.4	80	17
October 28	67.0	34.2	82	15
October 29	66.4	33.8	88	14
October 30	65.9	33.5	85	14
October 31	65.4	33.1	81	7

Weather Station Details

Years	Station	Coordinates
1901–2024	St. Johns	location