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St. Peter May Weather

Averages and records for weather in St. Peter, Minnesota in the month of May.

Typical St. Peter May Weather 1991–2020
Average daily high	68.8 °F
Average daily low	47.0 °F
Average monthly precipitation	4.2 inches
Average monthly snow	none
Daily chance of precipitation	33.6%
Daily chance of snow	0%

St. Peter May Weather Records 1893–2024
Highest temperature	107 °F	May 31, 1934
Lowest temperature	14 °F	May 5, 1989
Highest daily low	76 °F	May 9, 1934
Lowest daily high	34 °F	May 3, 1954
Hottest average high temperature	85.3 °F	1934
Coldest average high temperature	57.5 °F	1907
Most daily precipitation	4.3 inches	May 14, 2023
Most monthly precipitation	9.1 inches	1908
Most daily snow	1.5 inches	May 8, 1938
Most monthly snow	2.7 inches	1938

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	62.8	40.6	93	25
May 2	63.3	41.0	92	25
May 3	63.8	41.3	95	21
May 4	64.1	41.6	94	21
May 5	64.7	42.0	91	14
May 6	65.2	42.4	93	25
May 7	65.6	42.9	90	25
May 8	66.0	43.4	95	28
May 9	66.2	43.8	94	26
May 10	66.5	44.2	94	28
May 11	66.8	44.6	94	25
May 12	67.2	45.1	92	27
May 13	67.6	45.5	95	28
May 14	68.0	46.0	95	27
May 15	68.4	46.4	99	28
May 16	68.9	46.9	94	27
May 17	69.4	47.3	99	26
May 18	69.8	47.8	94	31
May 19	70.1	48.2	101	29
May 20	70.4	48.5	100	27
May 21	70.6	48.8	94	31
May 22	70.8	49.1	98	30
May 23	71.1	49.3	93	28
May 24	71.5	49.6	91	32
May 25	71.9	50.0	95	30
May 26	72.2	50.4	94	32
May 27	72.7	50.8	95	32
May 28	73.1	51.4	99	30
May 29	73.5	51.8	101	33
May 30	73.8	52.2	102	33
May 31	74.1	52.6	107	38

Weather Station Details

Years	Station	Coordinates
1893–2024	St Peter	location