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Oconomowoc March Weather

Averages and records for weather in Oconomowoc, Wisconsin in the month of March.

Typical Oconomowoc March Weather 1991–2020
Average daily high	43.3 °F
Average daily low	24.4 °F
Average monthly precipitation	2.1 inches
Average monthly snow	4.8 inches
Daily chance of precipitation	31.8%
Daily chance of snow	13.5%

Oconomowoc March Weather Records 1893–2024
Highest temperature	83 °F	March 22, 2012
Lowest temperature	-19 °F	March 1, 1962
Highest daily low	63 °F	March 21, 2012
Lowest daily high	8 °F	March 5, 2019
Hottest average high temperature	59.3 °F	2012
Coldest average high temperature	30.9 °F	1960
Most daily precipitation	2.5 inches	March 31, 1998
Most monthly precipitation	4.9 inches	2024
Most daily snow	11.0 inches	March 8, 1961
Most monthly snow	18.6 inches	1952

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	36.6	18.2	62	-19
March 2	37.0	18.6	62	-8
March 3	37.6	19.0	69	-10
March 4	38.0	19.5	71	-13
March 5	38.5	19.9	64	-10
March 6	38.8	20.3	67	-13
March 7	39.2	20.7	72	-6
March 8	39.5	21.0	77	-7
March 9	39.9	21.3	73	-5
March 10	40.3	21.7	67	-8
March 11	40.8	22.1	65	-5
March 12	41.2	22.5	75	-8
March 13	41.6	23.0	72	-4
March 14	42.2	23.4	72	-5
March 15	42.7	24.0	77	-4
March 16	43.2	24.3	78	7
March 17	43.7	24.8	77	3
March 18	44.4	25.3	79	0
March 19	44.9	25.9	79	2
March 20	45.5	26.4	74	-3
March 21	46.1	26.8	82	-1
March 22	46.4	27.1	83	8
March 23	46.8	27.5	80	7
March 24	47.4	27.9	70	-2
March 25	47.8	28.3	71	-2
March 26	48.2	28.7	78	2
March 27	48.5	29.1	80	2
March 28	48.9	29.4	81	8
March 29	49.2	29.8	81	6
March 30	49.4	30.2	78	4
March 31	49.7	30.5	81	5

Weather Station Details

Years	Station	Coordinates
1893–2024	Oconomowoc WWTP	location