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St. Johns March Weather

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

Typical St. Johns March Weather 1991–2020
Average daily high	63.5 °F
Average daily low	29.1 °F
Average monthly precipitation	0.4 inches
Average monthly snow	0.2 inches
Daily chance of precipitation	5.8%
Daily chance of snow	0.48%

St. Johns March Weather Records 1901–2024
Highest temperature	85 °F	March 29, 1943
Lowest temperature	-7 °F	March 4, 1951
Highest daily low	53 °F	March 24, 1971
Lowest daily high	32 °F	March 3, 1951
Hottest average high temperature	72.6 °F	1972
Coldest average high temperature	48.8 °F	1920
Most daily precipitation	1.6 inches	March 27, 1984
Most monthly precipitation	2.6 inches	1978
Most daily snow	9.0 inches	March 18, 1970
Most monthly snow	16.0 inches	1923

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	58.8	26.3	76	7
March 2	59.1	26.4	77	2
March 3	59.3	26.6	77	8
March 4	59.5	26.8	76	-7
March 5	59.8	26.9	79	-2
March 6	60.1	27.0	77	5
March 7	60.5	27.2	79	5
March 8	60.8	27.5	78	7
March 9	61.1	27.6	82	9
March 10	61.5	27.9	83	10
March 11	61.9	28.2	81	10
March 12	62.3	28.4	79	8
March 13	62.5	28.7	83	0
March 14	62.8	28.8	79	7
March 15	63.1	29.0	80	10
March 16	63.4	29.1	80	10
March 17	63.6	29.3	81	10
March 18	63.9	29.6	82	10
March 19	64.0	29.8	79	11
March 20	64.3	30.0	83	11
March 21	64.5	30.1	80	8
March 22	64.8	30.3	79	10
March 23	65.1	30.6	84	9
March 24	65.4	30.9	81	14
March 25	65.7	31.2	81	14
March 26	65.9	31.4	83	4
March 27	66.0	31.6	81	7
March 28	66.2	31.7	82	11
March 29	66.3	31.9	85	10
March 30	66.4	32.1	84	10
March 31	66.6	32.3	80	9

Weather Station Details

Years	Station	Coordinates
1901–2024	St. Johns	location