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Ketchum March Weather

Averages and records for weather in Ketchum, Idaho in the month of March.

Typical Ketchum March Weather 1991–2020
Average daily high	43.3 °F
Average daily low	18.2 °F
Average monthly precipitation	1.8 inches
Average monthly snow	10.6 inches
Daily chance of precipitation	26.2%
Daily chance of snow	15.5%

Ketchum March Weather Records 1937–2024
Highest temperature	67 °F	March 18, 2007
Lowest temperature	-28 °F	March 1, 1960
Highest daily low	42 °F	March 17, 2015
Lowest daily high	19 °F	March 10, 2022
Hottest average high temperature	53.0 °F	1992
Coldest average high temperature	31.3 °F	2023
Most daily precipitation	2.8 inches	March 11, 1995
Most monthly precipitation	7.0 inches	1995
Most daily snow	18.5 inches	March 2, 2018
Most monthly snow	58.1 inches	2023

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	38.5	13.4	54	-28
March 2	38.7	13.7	54	-24
March 3	39.0	14.0	54	-22
March 4	39.3	14.3	57	-22
March 5	39.6	14.5	57	-24
March 6	40.0	14.8	52	-22
March 7	40.4	15.2	54	-22
March 8	40.7	15.6	59	-15
March 9	41.1	16.0	54	-9
March 10	41.4	16.3	57	-24
March 11	41.7	16.6	60	-22
March 12	42.1	17.0	57	-17
March 13	42.4	17.3	59	-16
March 14	42.8	17.7	60	-16
March 15	43.1	18.0	62	-12
March 16	43.4	18.4	63	-15
March 17	43.8	18.7	63	-10
March 18	44.1	19.1	67	-16
March 19	44.5	19.5	64	-12
March 20	44.8	19.8	60	-18
March 21	45.1	20.1	63	-19
March 22	45.5	20.4	65	-20
March 23	45.7	20.8	63	-8
March 24	46.0	21.0	66	-8
March 25	46.3	21.3	62	-11
March 26	46.6	21.6	60	-10
March 27	46.8	21.8	60	-9
March 28	47.0	22.0	62	-13
March 29	47.3	22.2	67	-11
March 30	47.5	22.4	65	-1
March 31	47.8	22.5	65	-1

Weather Station Details

Years	Station	Coordinates
1973–2024	Ketchum	location
1937–1972	Sun Valley	location