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Plymouth May Weather

Averages and records for weather in Plymouth, Wisconsin in the month of May.

Typical Plymouth May Weather 1991–2020
Average daily high	65.7 °F
Average daily low	45.4 °F
Average monthly precipitation	4.0 inches
Average monthly snow	0.2 inches
Daily chance of precipitation	41.5%
Daily chance of snow	0.15%

Plymouth May Weather Records 1910–2024
Highest temperature	94 °F	May 28, 2018
Lowest temperature	21 °F	May 10, 1966
Highest daily low	71 °F	May 31, 1939
Lowest daily high	36 °F	May 2, 1940
Hottest average high temperature	76.8 °F	1977
Coldest average high temperature	57.9 °F	1924
Most daily precipitation	4.9 inches	May 30, 1989
Most monthly precipitation	11.0 inches	2004
Most daily snow	6.0 inches	May 2, 1940
Most monthly snow	7.0 inches	1940

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	59.8	39.9	88	23
May 2	60.2	40.2	90	22
May 3	60.6	40.5	89	26
May 4	60.7	40.8	89	24
May 5	61.1	41.1	88	26
May 6	61.5	41.4	91	24
May 7	61.9	41.7	84	22
May 8	62.3	42.1	85	27
May 9	62.7	42.5	92	21
May 10	63.0	42.8	85	21
May 11	63.3	43.2	84	29
May 12	63.7	43.6	88	27
May 13	64.2	44.0	87	25
May 14	64.7	44.5	86	29
May 15	65.2	45.0	88	31
May 16	65.7	45.3	89	29
May 17	66.2	45.6	87	26
May 18	66.5	45.9	87	30
May 19	66.9	46.3	89	29
May 20	67.1	46.5	89	30
May 21	67.4	46.7	88	28
May 22	67.6	47.0	90	29
May 23	68.0	47.2	86	30
May 24	68.2	47.5	86	32
May 25	68.6	47.8	88	30
May 26	69.0	48.2	88	30
May 27	69.4	48.6	92	30
May 28	69.9	49.1	94	31
May 29	70.4	49.4	90	31
May 30	70.7	49.8	91	32
May 31	71.0	50.1	91	33

Weather Station Details

Years	Station	Coordinates
1910–2024	Plymouth WWTP	location