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Flandreau May Weather

Averages and records for weather in Flandreau, South Dakota in the month of May.

Typical Flandreau May Weather 1991–2020
Average daily high	66.9 °F
Average daily low	44.8 °F
Average monthly precipitation	4.1 inches
Average monthly snow	0.1 inches
Daily chance of precipitation	32.3%
Daily chance of snow	0.24%

Flandreau May Weather Records 1893–2024
Highest temperature	106 °F	May 30, 1934
Lowest temperature	16 °F	May 11, 1946
Highest daily low	73 °F	May 31, 1934
Lowest daily high	34 °F	May 5, 1944
Hottest average high temperature	86.1 °F	1934
Coldest average high temperature	60.1 °F	2019
Most daily precipitation	7.2 inches	May 31, 2004
Most monthly precipitation	14.3 inches	2004
Most daily snow	5.0 inches	May 15, 1907
Most monthly snow	8.0 inches	1907

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	60.8	37.9	96	20
May 2	61.3	38.4	92	20
May 3	61.8	38.8	91	18
May 4	62.2	39.2	93	17
May 5	62.8	39.7	95	21
May 6	63.2	40.1	94	23
May 7	63.6	40.5	94	21
May 8	64.0	41.1	99	23
May 9	64.3	41.6	92	22
May 10	64.5	42.0	93	23
May 11	64.8	42.5	95	16
May 12	65.1	42.9	90	17
May 13	65.5	43.4	91	27
May 14	65.9	43.9	95	28
May 15	66.4	44.4	95	22
May 16	66.8	44.9	95	23
May 17	67.3	45.4	101	25
May 18	67.7	45.9	101	28
May 19	68.0	46.4	101	28
May 20	68.3	46.7	98	26
May 21	68.5	47.1	92	25
May 22	68.8	47.4	94	23
May 23	69.2	47.8	97	28
May 24	69.6	48.2	95	29
May 25	70.0	48.6	93	26
May 26	70.3	49.0	99	31
May 27	70.8	49.4	93	29
May 28	71.2	49.9	101	29
May 29	71.7	50.4	99	23
May 30	71.9	50.7	106	30
May 31	72.3	51.0	104	29

Weather Station Details

Years	Station	Coordinates
1893–2024	Flandreau	location