West Yellowstone Weather in 2021

Historical record of West Yellowstone, Montana weather for the year 2021 based on NOAA data.

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2021 West Yellowstone Weather Extremes
Highest temperature	94 °F	July 19
Lowest temperature	-27 °F	February 25
Highest daily low	54 °F	July 28
Lowest daily high	12 °F	December 28
Most daily precipitation	1.5 inches	May 21
Total annual precipitation	25.1 inches	-

What was the hottest temperature in West Yellowstone in 2021?

The highest temperature recorded in West Yellowstone, Montana in 2021 was 94 °F which happened on July 19.

Highest Temperatures: All-Time By Year

Highest Temperatures in West Yellowstone in 2021

Rank	Temperature	Date
1	94 °F	Jul 19
2	91 °F	Jul 18
2	91 °F	Jul 7
4	90 °F	Jul 26
5	89 °F	Jul 27
5	89 °F	Jul 25
5	89 °F	Jul 24
5	89 °F	Jul 17
5	89 °F	Jul 11
5	89 °F	Jun 13

What was the coldest temperature in West Yellowstone in 2021?

The lowest temperature recorded in West Yellowstone, Montana in 2021 was -27 °F which happened on Feb 25.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in West Yellowstone in 2021

Rank	Temperature	Date
1	-27 °F	February 25
2	-21 °F	December 31
2	-21 °F	February 28
4	-20 °F	February 14
5	-19 °F	February 10
5	-19 °F	January 26
7	-15 °F	February 24
7	-15 °F	January 19
9	-14 °F	January 15
10	-13 °F	March 12

January 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	26	19	0.00
January 2	30	20	0.10
January 3	32	21	0.20
January 4	33	26	0.20
January 5	37	22	0.10
January 6	35	14	0.10
January 7	32	15	0.00
January 8	36	-1	0.00
January 9	29	-6	0.00
January 10	25	7	0.00
January 11	26	-4	0.00
January 12	35	-8	0.10
January 13	36	15	0.30
January 14	31	-5	0.00
January 15	28	-14	0.00
January 16	30	19	0.00
January 17	29	18	0.10
January 18	35	1	0.00
January 19	32	-15	0.00
January 20	30	0	0.00
January 21	32	17	0.10
January 22	35	20	0.00
January 23	35	-10	0.00
January 24	29	-12	0.00
January 25	30	-4	0.00
January 26	31	-19	0.00
January 27	30	12	0.10
January 28	37	23	0.40
January 29	39	31	0.30
January 30	35	25	0.10
January 31	38	1	0.00

February 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	42	1	0.00
February 2	47	12	0.10
February 3	35	18	0.20
February 4	28	11	0.20
February 5	36	20	0.20
February 6	28	21	0.20
February 7	34	14	0.00
February 8	31	-2	0.00
February 9	33	-7	0.10
February 10	28	-19	0.00
February 11	28	-9	0.10
February 12	13	-10	0.10
February 13	21	-7	0.10
February 14	19	-20	0.10
February 15	28	3	0.20
February 16	35	16	0.00
February 17	35	6	0.00
February 18	28	-3	0.10
February 19	31	17	0.20
February 20	35	14	0.00
February 21	27	12	0.10
February 22	32	24	0.00
February 23	34	-3	0.00
February 24	35	-15	0.10
February 25	22	-27	0.10
February 26	28	14	0.30
February 27	35	-6	0.00
February 28	25	-21	0.10

March 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	39	13	0.00
March 2	43	-5	0.00
March 3	53	-4	0.00
March 4	58	2	0.00
March 5	54	4	0.00
March 6	52	7	0.00
March 7	46	17	0.10
March 8	53	9	0.00
March 9	40	16	0.40
March 10	39	2	0.00
March 11	44	-10	0.00
March 12	47	-13	0.00
March 13	52	-11	0.00
March 14	59	13	0.00
March 15	52	16	0.00
March 16	49	19	0.00
March 17	53	9	0.00
March 18	54	16	0.00
March 19	51	19	0.40
March 20	41	27	0.80
March 21	46	19	0.10
March 22	37	22	0.00
March 23	44	9	0.00
March 24	37	-1	0.00
March 25	41	23	0.10
March 26	46	21	0.00
March 27	48	22	0.00
March 28	54	31	0.10
March 29	44	8	0.00
March 30	37	7	0.00
March 31	44	-1	0.00

April 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	56	6	0.00
April 2	60	15	0.00
April 3	63	19	0.00
April 4	65	27	0.00
April 5	49	31	0.00
April 6	46	29	0.20
April 7	51	23	0.00
April 8	49	14	0.20
April 9	44	7	0.00
April 10	53	14	0.00
April 11	42	12	0.00
April 12	42	11	0.00
April 13	41	9	0.00
April 14	38	15	0.00
April 15	43	23	0.00
April 16	46	16	0.00
April 17	58	14	0.00
April 18	57	19	0.00
April 19	39	15	0.10
April 20	44	10	0.00
April 21	52	10	0.00
April 22	55	15	0.00
April 23	49	28	0.00
April 24	51	28	0.00
April 25	43	35	0.10
April 26	48	27	0.10
April 27	56	22	0.00
April 28	60	22	0.00
April 29	68	27	0.00
April 30	72	31	0.00

May 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	69	29	0.00
May 2	52	33	0.00
May 3	55	28	0.00
May 4	55	29	0.00
May 5	60	25	0.00
May 6	71	24	0.00
May 7	68	31	0.10
May 8	45	21	0.00
May 9	49	17	0.10
May 10	47	20	0.10
May 11	53	28	0.00
May 12	61	25	0.00
May 13	66	28	0.00
May 14	65	29	0.00
May 15	63	32	0.00
May 16	71	28	0.00
May 17	72	31	0.00
May 18	72	35	0.00
May 19	70	31	0.00
May 20	57	35	0.10
May 21	44	32	1.50
May 22	64	25	0.30
May 23	46	35	0.60
May 24	50	35	0.20
May 25	64	34	0.10
May 26	52	31	0.30
May 27	64	30	0.00
May 28	66	31	0.00
May 29	65	28	0.00
May 30	70	24	0.00
May 31	75	28	0.00

June 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)
June 1	78	30
June 2	81	37
June 3	86	36
June 4	84	41
June 5	79	39
June 6	67	40
June 7	73	34
June 8	76	41
June 9	79	34
June 10	62	31
June 11	64	28
June 12	77	32
June 13	89	33
June 14	88	37
June 15	85	38
June 16	80	41
June 17	80	36
June 18	83	34
June 19	83	36
June 20	69	35
June 21	80	29
June 22	87	37
June 23	80	46
June 24	77	39
June 25	72	38
June 26	74	38
June 27	78	39
June 28	85	40
June 29	87	40
June 30	88	38

July 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	82	42	0.00
July 2	87	40	0.00
July 3	87	43	0.00
July 4	86	49	0.00
July 5	74	46	0.00
July 6	87	40	0.00
July 7	91	41	0.00
July 8	86	40	0.00
July 9	84	38	0.00
July 10	83	37	0.00
July 11	89	37	0.00
July 12	88	42	0.00
July 13	82	44	0.00
July 14	85	38	0.00
July 15	83	39	0.00
July 16	86	42	0.00
July 17	89	37	0.00
July 18	91	41	0.00
July 19	94	43	0.00
July 20	85	51	0.00
July 21	85	52	0.00
July 22	83	51	0.00
July 23	83	41	0.00
July 24	89	38	0.00
July 25	89	39	0.00
July 26	90	38	0.00
July 27	89	40	0.00
July 28	83	54	0.00
July 29	84	49	1.10
July 30	84	44	0.00
July 31	79	50	0.00

August 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	53	0.00
August 2	78	52	0.60
August 3	79	48	0.10
August 4	83	42	0.00
August 5	84	45	0.00
August 6	68	46	0.70
August 7	72	41	0.00
August 8	76	40	0.00
August 9	71	40	0.00
August 10	76	33	0.00
August 11	85	38	0.00
August 12	85	41	0.00
August 13	86	40	0.00
August 14	88	42	0.00
August 15	85	42	0.00
August 16	83	38	0.00
August 17	81	42	0.00
August 18	55	47	0.70
August 19	57	44	0.50
August 20	60	37	0.20
August 21	62	33	0.20
August 22	65	36	0.10
August 23	73	32	0.00
August 24	72	32	0.00
August 25	77	37	0.00
August 26	71	34	0.00
August 27	67	40	0.10
August 28	69	33	0.00
August 29	77	28	0.00
August 30	79	29	0.00
August 31	74	35	0.00

September 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	72	34	0.00
September 2	71	28	0.00
September 3	70	31	0.00
September 4	72	27	0.00
September 5	78	27	0.00
September 6	80	28	0.00
September 7	82	31	0.00
September 8	84	32	0.00
September 9	86	32	0.00
September 10	79	38	0.00
September 11	70	42	0.00
September 12	72	32	0.00
September 13	71	31	0.00
September 14	70	28	0.00
September 15	72	29	0.00
September 16	68	27	0.10
September 17	71	21	0.00
September 18	72	28	0.00
September 19	52	34	0.80
September 20	48	28	0.10
September 21	59	28	0.00
September 22	66	24	0.00
September 23	65	29	0.00
September 24	70	28	0.00
September 25	71	28	0.00
September 26	74	29	0.00
September 27	73	27	0.00
September 28	58	28	0.00
September 29	58	24	0.00
September 30	65	16	0.00

October 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	69	19	0.00
October 2	67	24	0.00
October 3	67	22	0.00
October 4	70	22	0.00
October 5	73	26	0.00
October 6	64	38	0.00
October 7	51	36	0.00
October 8	50	39	0.10
October 9	49	36	0.20
October 10	44	31	0.00
October 11	39	25	0.80
October 12	38	24	0.10
October 13	35	26	0.00
October 14	41	24	0.00
October 15	42	20	0.00
October 16	54	19	0.00
October 17	61	18	0.00
October 18	61	25	0.00
October 19	55	29	0.00
October 20	51	30	0.00
October 21	57	28	0.00
October 22	65	25	0.00
October 23	43	33	0.20
October 24	44	35	0.00
October 25	45	35	0.80
October 26	44	30	0.20
October 27	44	29	0.00
October 28	46	31	0.00
October 29	53	37	0.00
October 30	52	26	0.00
October 31	46	23	0.10

November 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	48	22	0.00
November 2	47	32	0.00
November 3	46	30	0.00
November 4	54	28	0.00
November 5	47	29	0.10
November 6	43	29	0.40
November 7	39	24	0.40
November 8	38	16	0.00
November 9	37	15	0.20
November 10	36	14	0.20
November 11	34	12	0.00
November 12	41	15	0.00
November 13	45	36	0.00
November 14	42	37	0.00
November 15	49	36	0.00
November 16	43	20	0.10
November 17	33	8	0.10
November 18	39	7	0.00
November 19	37	29	0.20
November 20	39	26	0.00
November 21	32	13	0.10
November 22	43	6	0.00
November 23	36	3	0.10
November 24	36	20	0.00
November 25	32	19	0.00
November 26	37	19	0.00
November 27	42	20	0.00
November 28	43	33	0.00
November 29	47	27	0.00
November 30	35	25	0.00

December 2021 West Yellowstone Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	42	33	0.00
December 2	46	37	0.00
December 3	42	28	0.00
December 4	42	34	0.00
December 5	38	12	0.00
December 6	28	11	0.00
December 7	33	28	0.00
December 8	32	26	0.10
December 9	31	18	0.10
December 10	23	4	0.00
December 11	24	17	0.10
December 12	32	23	0.30
December 13	37	29	0.20
December 14	36	27	0.80
December 15	27	13	0.10
December 16	26	15	0.10
December 17	24	-12	0.00
December 18	26	-10	0.10
December 19	29	8	0.00
December 20	36	26	0.00
December 21	36	23	0.00
December 22	33	25	0.10
December 23	32	27	0.40
December 24	31	22	0.30
December 25	28	20	0.30
December 26	29	13	0.60
December 27	22	-1	0.20
December 28	12	-2	0.10
December 29	16	5	0.20
December 30	17	9	0.40
December 31	22	-21	0.00

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Weather Station Details

Years	Station	Coordinates
1997–2024	West Yellowstone	location
1924–1996	West Yellowstone	location