Ketchum Weather in 2018

Historical record of Ketchum, Idaho weather for the year 2018 based on NOAA data.

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2018 Ketchum Weather Extremes
Highest temperature	91 °F	August 11
Lowest temperature	-7 °F	December 7
Highest daily low	52 °F	June 28
Lowest daily high	20 °F	February 25
Most daily precipitation	1.6 inches	March 2
Most daily snow	18.5 inches	March 2

What was the hottest temperature in Ketchum in 2018?

The highest temperature recorded in Ketchum, Idaho in 2018 was 91 °F which happened on August 11.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ketchum in 2018

Rank	Temperature	Date
1	91 °F	Aug 11
2	90 °F	Aug 12
2	90 °F	Aug 10
4	89 °F	Jul 25
5	87 °F	Jul 26
5	87 °F	Jul 21
7	86 °F	Aug 9
7	86 °F	Jul 28
7	86 °F	Jul 27
7	86 °F	Jul 24
7	86 °F	Jul 20
7	86 °F	Jul 19

What was the coldest temperature in Ketchum in 2018?

The lowest temperature recorded in Ketchum, Idaho in 2018 was -7 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ketchum in 2018

Rank	Temperature	Date
1	-7 °F	December 7
1	-7 °F	December 6
3	-6 °F	February 22
3	-6 °F	February 21
5	-5 °F	February 23
6	-4 °F	December 5
6	-4 °F	February 24
8	-2 °F	December 4
9	-1 °F	February 25
9	-1 °F	February 20
9	-1 °F	February 19

January 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	34	5	n/a	n/a
January 2	35	5	n/a	0.0
January 3	40	5	0.00	0.0
January 4	41	16	0.00	0.0
January 5	44	17	n/a	n/a
January 6	47	17	n/a	n/a
January 7	36	17	n/a	n/a
January 8	37	24	n/a	0.0
January 9	43	24	0.09	1.7
January 10	43	29	0.41	2.5
January 11	33	12	0.00	0.0
January 12	29	14	0.76	11.5
January 13	36	13	n/a	n/a
January 14	43	12	n/a	n/a
January 15	38	12	n/a	n/a
January 16	42	14	n/a	0.0
January 17	38	9	n/a	n/a
January 18	36	23	n/a	0.0
January 19	38	24	0.03	0.0
January 20	36	3	n/a	n/a
January 21	30	3	n/a	n/a
January 22	32	17	n/a	1.0
January 23	29	4	0.00	0.0
January 24	31	5	0.00	0.0
January 25	34	13	0.08	1.5
January 26	35	2	0.08	1.0
January 27	27	2	n/a	n/a
January 28	27	13	n/a	n/a
January 29	42	25	n/a	0.0
January 30	40	25	0.00	0.0
January 31	47	25	0.00	0.0

February 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	34	19	0.00	0.0
February 2	35	19	0.01	0.5
February 3	48	28	n/a	n/a
February 4	50	28	n/a	n/a
February 5	51	29	n/a	0.0
February 6	42	22	0.00	0.0
February 7	43	19	0.00	0.0
February 8	49	19	0.00	0.0
February 9	49	27	0.00	0.0
February 10	43	12	n/a	n/a
February 11	36	12	n/a	n/a
February 12	30	22	n/a	0.5
February 13	35	8	0.00	0.0
February 14	35	8	0.00	0.0
February 15	32	9	0.00	0.0
February 16	33	8	0.00	0.0
February 17	31	8	n/a	n/a
February 18	36	0	n/a	n/a
February 19	33	-1	n/a	n/a
February 20	24	-1	n/a	2.0
February 21	24	-6	0.00	0.0
February 22	22	-6	0.12	1.5
February 23	20	-5	0.11	2.0
February 24	22	-4	n/a	n/a
February 25	20	-1	n/a	n/a
February 26	25	19	n/a	5.0
February 27	30	5	0.10	2.0
February 28	27	4	0.00	0.0

March 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	26	4	0.25	1.5
March 2	29	18	1.64	18.5
March 3	29	8	n/a	n/a
March 4	29	3	n/a	n/a
March 5	34	4	n/a	0.0
March 6	32	1	0.00	0.0
March 7	31	2	0.00	0.0
March 8	38	5	0.00	0.0
March 9	37	17	0.11	1.0
March 10	37	15	n/a	n/a
March 11	41	15	n/a	n/a
March 12	41	15	n/a	0.0
March 13	38	16	0.00	0.0
March 14	45	18	0.01	0.0
March 15	50	24	0.32	0.0
March 16	38	16	0.01	0.0
March 17	37	19	n/a	n/a
March 18	32	13	n/a	n/a
March 19	32	12	n/a	1.5
March 20	36	14	0.00	0.0
March 21	37	21	0.00	0.0
March 22	36	26	0.62	0.0
March 23	38	24	1.19	0.0
March 24	40	23	n/a	n/a
March 25	39	21	n/a	n/a
March 26	35	12	n/a	0.0
March 27	38	13	0.00	0.0
March 28	44	20	0.00	0.0
March 29	48	23	n/a	n/a
March 30	45	25	n/a	n/a
March 31	45	26	n/a	n/a

April 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	54	26	n/a	n/a
April 2	50	28	n/a	0.0
April 3	48	9	0.00	0.0
April 4	37	10	0.00	0.0
April 5	39	23	0.00	0.0
April 6	50	34	0.02	0.0
April 7	50	35	n/a	n/a
April 8	54	28	n/a	n/a
April 9	45	26	n/a	0.0
April 10	47	27	0.00	0.0
April 11	51	29	0.07	0.0
April 12	57	32	0.22	0.5
April 13	50	22	0.00	0.0
April 14	38	24	n/a	n/a
April 15	47	30	n/a	n/a
April 16	50	34	n/a	n/a
April 17	55	22	n/a	n/a
April 18	36	19	n/a	n/a
April 19	40	23	n/a	n/a
April 20	46	33	n/a	n/a
April 21	53	30	n/a	n/a
April 22	61	31	n/a	n/a
April 23	64	32	n/a	0.0
April 24	62	29	0.01	0.0
April 25	52	27	0.00	0.0
April 26	58	31	0.00	0.0
April 27	64	32	0.00	0.0
April 28	69	36	n/a	n/a
April 29	74	33	n/a	n/a
April 30	63	31	n/a	0.0

May 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	50	33	0.00	0.0
May 2	50	30	0.21	0.0
May 3	46	31	0.00	0.0
May 4	58	34	0.00	0.0
May 5	63	35	n/a	n/a
May 6	69	42	n/a	0.0
May 7	68	35	0.00	0.0
May 8	74	36	0.00	0.0
May 9	71	38	0.00	0.0
May 10	69	42	0.00	0.0
May 11	64	36	0.00	0.0
May 12	51	36	n/a	n/a
May 13	50	32	n/a	n/a
May 14	57	37	n/a	0.0
May 15	65	37	0.01	0.0
May 16	64	44	0.12	0.0
May 17	63	41	0.01	0.0
May 18	62	41	0.21	0.0
May 19	60	41	n/a	n/a
May 20	63	43	n/a	n/a
May 21	67	47	n/a	0.0
May 22	67	43	0.10	0.0
May 23	64	45	0.07	0.0
May 24	70	44	0.04	0.0
May 25	60	42	0.22	0.0
May 26	74	43	n/a	n/a
May 27	67	45	n/a	n/a
May 28	70	42	n/a	n/a
May 29	62	47	n/a	0.0
May 30	69	46	0.04	0.0
May 31	65	45	0.16	0.0

June 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	65	37	0.47	0.0
June 2	59	33	n/a	n/a
June 3	60	39	n/a	n/a
June 4	66	40	n/a	0.0
June 5	72	45	0.00	0.0
June 6	74	40	0.00	0.0
June 7	72	45	0.00	0.0
June 8	75	43	0.00	0.0
June 9	73	37	n/a	n/a
June 10	71	33	n/a	n/a
June 11	55	32	n/a	0.0
June 12	61	37	0.00	0.0
June 13	68	44	0.00	0.0
June 14	68	42	0.00	0.0
June 15	79	40	0.10	0.0
June 16	62	44	n/a	0.0
June 17	61	43	n/a	n/a
June 18	67	44	n/a	0.0
June 19	67	38	0.13	0.0
June 20	61	40	n/a	0.0
June 21	61	45	n/a	0.0
June 22	74	49	n/a	0.0
June 23	73	44	n/a	n/a
June 24	71	42	n/a	n/a
June 25	71	48	n/a	0.0
June 26	81	49	n/a	0.0
June 27	77	45	n/a	0.0
June 28	80	52	n/a	0.0
June 29	n/a	n/a	n/a	0.0
June 30	n/a	n/a	n/a	0.0

July 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
July 1	n/a	n/a	n/a	n/a
July 2	n/a	n/a	n/a	0.0
July 3	n/a	n/a	0.00	0.0
July 4	n/a	n/a	n/a	0.0
July 5	n/a	n/a	n/a	0.0
July 6	n/a	n/a	0.00	0.0
July 7	n/a	n/a	n/a	0.0
July 8	n/a	n/a	n/a	0.0
July 9	n/a	n/a	n/a	0.0
July 10	n/a	n/a	0.00	0.0
July 11	n/a	n/a	0.00	0.0
July 12	n/a	n/a	0.00	0.0
July 13	n/a	n/a	0.00	0.0
July 14	n/a	n/a	n/a	0.0
July 15	n/a	n/a	n/a	0.0
July 16	n/a	n/a	n/a	0.0
July 17	n/a	n/a	0.01	0.0
July 18	n/a	n/a	0.00	0.0
July 19	86	41	0.00	0.0
July 20	86	45	0.00	0.0
July 21	87	46	n/a	n/a
July 22	85	44	n/a	n/a
July 23	85	44	n/a	0.0
July 24	86	49	0.00	0.0
July 25	89	51	0.00	0.0
July 26	87	46	0.00	0.0
July 27	86	45	0.00	0.0
July 28	86	42	n/a	n/a
July 29	85	45	n/a	n/a
July 30	85	45	n/a	0.0
July 31	85	47	0.00	0.0

August 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
August 1	84	51	0.00	0.0
August 2	85	49	0.09	0.0
August 3	84	42	0.00	0.0
August 4	79	37	n/a	n/a
August 5	75	40	n/a	n/a
August 6	75	43	n/a	0.0
August 7	77	45	0.00	0.0
August 8	82	45	0.00	0.0
August 9	86	47	0.00	0.0
August 10	90	47	0.00	0.0
August 11	91	47	0.00	0.0
August 12	90	46	0.00	0.0
August 13	82	47	0.00	0.0
August 14	82	43	0.00	0.0
August 15	84	42	0.00	0.0
August 16	85	41	0.00	0.0
August 17	75	44	0.00	0.0
August 18	76	45	0.00	0.0
August 19	79	44	0.00	0.0
August 20	79	42	0.00	0.0
August 21	74	44	0.00	0.0
August 22	73	38	0.00	0.0
August 23	69	40	0.03	0.0
August 24	79	36	0.00	0.0
August 25	76	39	0.00	0.0
August 26	74	37	0.00	0.0
August 27	68	44	0.00	0.0
August 28	59	35	0.00	0.0
August 29	64	30	0.00	0.0
August 30	73	32	0.00	0.0
August 31	75	32	0.00	0.0

September 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	74	39	0.00	0.0
September 2	73	36	0.00	0.0
September 3	74	37	0.00	0.0
September 4	78	35	0.00	0.0
September 5	77	40	0.00	0.0
September 6	n/a	n/a	n/a	n/a
September 7	n/a	n/a	n/a	n/a
September 8	80	43	n/a	0.0
September 9	76	41	0.00	0.0
September 10	76	36	0.00	0.0
September 11	74	35	0.00	0.0
September 12	71	33	0.00	0.0
September 13	64	38	0.00	0.0
September 14	58	37	0.00	0.0
September 15	66	35	0.00	0.0
September 16	68	37	0.00	0.0
September 17	68	29	0.00	0.0
September 18	71	28	0.00	0.0
September 19	73	31	0.00	0.0
September 20	69	31	0.00	0.0
September 21	65	29	0.00	0.0
September 22	68	28	0.00	0.0
September 23	72	32	0.00	0.0
September 24	64	32	0.00	0.0
September 25	63	28	0.00	0.0
September 26	59	26	0.00	0.0
September 27	64	27	0.00	0.0
September 28	73	32	0.00	0.0
September 29	75	33	0.00	0.0
September 30	68	33	0.00	0.0

October 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	61	29	0.00	0.0
October 2	64	28	0.00	0.0
October 3	67	40	0.00	0.0
October 4	65	42	0.28	0.0
October 5	49	27	0.21	n/a
October 6	50	28	n/a	n/a
October 7	49	34	n/a	n/a
October 8	39	32	n/a	n/a
October 9	53	26	n/a	n/a
October 10	39	32	0.26	n/a
October 11	37	30	0.03	n/a
October 12	49	29	0.00	0.0
October 13	51	24	0.00	0.0
October 14	52	25	0.00	0.0
October 15	44	19	0.00	0.0
October 16	48	18	0.00	0.0
October 17	56	22	0.00	0.0
October 18	62	25	0.00	0.0
October 19	62	26	0.00	0.0
October 20	62	29	0.00	0.0
October 21	66	29	0.00	0.0
October 22	64	28	0.00	0.0
October 23	62	31	0.05	n/a
October 24	50	30	0.11	n/a
October 25	57	29	0.00	0.0
October 26	55	33	0.00	0.0
October 27	64	33	0.00	0.0
October 28	64	36	0.00	0.0
October 29	57	27	0.00	0.0
October 30	40	20	0.00	0.0
October 31	44	20	0.00	0.0

November 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	42	23	0.00	0.0
November 2	54	26	0.00	0.0
November 3	53	27	0.00	0.0
November 4	49	25	0.00	0.0
November 5	44	23	0.00	0.0
November 6	45	22	0.00	0.0
November 7	38	17	0.00	0.0
November 8	39	12	0.00	0.0
November 9	40	9	0.00	0.0
November 10	38	7	0.00	0.0
November 11	39	15	0.00	0.0
November 12	33	10	0.00	0.0
November 13	35	6	0.00	0.0
November 14	42	12	0.00	0.0
November 15	47	16	0.00	0.0
November 16	47	18	0.00	0.0
November 17	52	18	0.00	0.0
November 18	41	22	0.00	0.0
November 19	38	8	0.00	0.0
November 20	41	10	0.00	0.0
November 21	50	14	0.00	0.0
November 22	46	11	0.00	0.0
November 23	37	17	0.23	3.0
November 24	31	15	0.00	0.0
November 25	34	14	0.00	0.0
November 26	32	4	0.41	4.0
November 27	33	5	0.00	0.0
November 28	36	22	0.04	1.0
November 29	34	21	0.00	0.0
November 30	36	20	0.18	3.0

December 2018 Ketchum Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	33	18	0.00	0.0
December 2	25	12	0.00	0.0
December 3	26	18	0.18	3.0
December 4	25	-2	0.00	0.0
December 5	23	-4	0.00	0.0
December 6	25	-7	0.00	0.0
December 7	24	-7	0.00	0.0
December 8	32	1	0.00	0.0
December 9	31	9	0.00	0.0
December 10	26	6	0.00	0.0
December 11	29	9	0.00	0.0
December 12	24	6	0.25	3.0
December 13	33	11	0.00	0.0
December 14	27	1	0.00	0.0
December 15	30	6	0.00	0.0
December 16	32	15	0.00	0.0
December 17	39	13	0.00	0.0
December 18	34	26	0.07	1.0
December 19	32	17	0.28	3.5
December 20	35	16	0.00	0.0
December 21	n/a	n/a	n/a	n/a
December 22	n/a	n/a	n/a	n/a
December 23	n/a	n/a	n/a	n/a
December 24	n/a	n/a	n/a	n/a
December 25	n/a	n/a	n/a	n/a
December 26	n/a	n/a	n/a	n/a
December 27	n/a	n/a	n/a	n/a
December 28	n/a	n/a	n/a	n/a
December 29	n/a	n/a	n/a	n/a
December 30	n/a	n/a	n/a	n/a
December 31	n/a	n/a	n/a	n/a

Next Year >

Weather Station Details

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