Dillon Weather in 2021

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

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2021 Dillon Weather Extremes
Highest temperature	95 °F	July 18
Lowest temperature	-16 °F	February 11
Highest daily low	59 °F	July 20
Lowest daily high	-8 °F	February 12
Most daily precipitation	0.4 inches	May 23
Total annual precipitation	3.1 inches	-

What was the hottest temperature in Dillon in 2021?

The highest temperature recorded in Dillon, Montana in 2021 was 95 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Dillon in 2021

Rank	Temperature	Date
1	95 °F	Jul 18
1	95 °F	Jun 14
3	93 °F	Jul 26
3	93 °F	Jul 11
3	93 °F	Jul 3
6	92 °F	Sep 9
6	92 °F	Jul 27
6	92 °F	Jul 17
6	92 °F	Jul 12
6	92 °F	Jul 1
6	92 °F	Jun 15

What was the coldest temperature in Dillon in 2021?

The lowest temperature recorded in Dillon, Montana in 2021 was -16 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Dillon in 2021

Rank	Temperature	Date
1	-16 °F	February 11
1	-16 °F	February 10
3	-15 °F	February 12
3	-15 °F	February 9
5	-14 °F	February 14
6	-13 °F	December 31
7	-11 °F	February 13
8	-6 °F	December 27
9	-5 °F	February 8
9	-5 °F	February 7

January 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	33	17	0.00
January 2	37	21	0.00
January 3	46	16	0.00
January 4	39	16	0.00
January 5	37	19	0.00
January 6	39	18	0.00
January 7	36	22	0.00
January 8	35	12	0.00
January 9	32	5	0.00
January 10	32	7	0.00
January 11	38	12	0.00
January 12	44	20	0.00
January 13	49	21	0.02
January 14	36	13	0.00
January 15	42	11	0.00
January 16	40	22	0.00
January 17	46	22	0.00
January 18	34	18	0.00
January 19	34	10	0.00
January 20	39	19	0.00
January 21	36	22	0.00
January 22	30	19	0.00
January 23	28	9	0.00
January 24	32	7	0.00
January 25	25	4	0.00
January 26	26	1	0.00
January 27	33	4	0.00
January 28	40	16	0.00
January 29	44	21	0.05
January 30	32	13	0.03
January 31	35	6	0.00

February 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	40	15	0.00
February 2	46	21	0.03
February 3	31	16	0.03
February 4	28	15	0.00
February 5	37	24	0.00
February 6	39	9	0.00
February 7	30	-5	0.00
February 8	28	-5	0.00
February 9	5	-15	0.00
February 10	5	-16	0.00
February 11	-8	-16	0.00
February 12	-8	-15	0.00
February 13	-5	-11	0.00
February 14	1	-14	0.00
February 15	31	-3	0.00
February 16	31	20	0.00
February 17	30	10	0.00
February 18	22	6	0.00
February 19	37	11	0.00
February 20	31	11	0.03
February 21	34	19	0.00
February 22	45	31	0.00
February 23	40	19	0.00
February 24	28	15	0.00
February 25	31	8	0.00
February 26	33	18	0.00
February 27	32	13	0.00
February 28	37	12	0.00

March 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	42	15	0.00
March 2	48	21	0.00
March 3	51	23	0.00
March 4	54	20	0.00
March 5	54	25	0.00
March 6	54	26	0.00
March 7	47	26	0.00
March 8	42	23	0.01
March 9	40	22	0.00
March 10	40	14	0.00
March 11	42	13	0.00
March 12	44	14	0.00
March 13	49	15	0.00
March 14	54	17	0.00
March 15	52	25	0.00
March 16	50	23	0.00
March 17	53	19	0.00
March 18	58	24	0.00
March 19	54	31	0.03
March 20	37	26	0.04
March 21	42	22	0.00
March 22	40	23	0.00
March 23	41	19	0.00
March 24	41	19	0.00
March 25	44	27	0.00
March 26	42	25	0.00
March 27	53	30	0.00
March 28	64	32	0.00
March 29	54	20	0.00
March 30	37	15	0.00
March 31	52	13	0.00

April 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	63	22	0.00
April 2	66	35	0.00
April 3	69	35	0.00
April 4	70	40	0.00
April 5	44	34	0.04
April 6	52	33	0.00
April 7	60	28	0.00
April 8	50	21	0.00
April 9	56	17	0.00
April 10	59	22	0.00
April 11	41	13	0.00
April 12	40	13	0.00
April 13	39	16	0.00
April 14	41	16	0.00
April 15	48	30	0.00
April 16	50	19	0.00
April 17	59	18	0.00
April 18	64	24	0.00
April 19	35	18	0.02
April 20	41	12	0.00
April 21	53	13	0.00
April 22	53	22	0.00
April 23	50	25	0.00
April 24	55	29	0.02
April 25	49	33	0.16
April 26	51	31	0.00
April 27	59	27	0.00
April 28	65	35	0.00
April 29	75	39	0.00
April 30	81	46	0.00

May 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	71	43	0.06
May 2	52	36	0.00
May 3	57	28	0.00
May 4	56	35	0.00
May 5	65	31	0.00
May 6	79	32	0.00
May 7	66	32	0.08
May 8	45	30	0.03
May 9	49	25	0.00
May 10	51	33	0.00
May 11	55	27	0.00
May 12	67	28	0.00
May 13	70	37	0.00
May 14	68	41	0.00
May 15	69	43	0.01
May 16	73	36	0.00
May 17	79	41	0.00
May 18	78	45	0.00
May 19	60	38	0.00
May 20	38	28	0.17
May 21	29	25	0.03
May 22	39	25	0.03
May 23	38	31	0.36
May 24	54	36	0.00
May 25	63	36	0.11
May 26	59	35	0.01
May 27	69	35	0.00
May 28	66	41	0.00
May 29	64	31	0.00
May 30	72	32	0.00
May 31	76	38	0.00

June 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	80	41	0.00
June 2	85	46	0.00
June 3	89	50	0.00
June 4	88	57	0.01
June 5	83	51	0.00
June 6	75	43	0.00
June 7	78	39	0.00
June 8	83	50	0.00
June 9	81	41	0.00
June 10	64	36	0.00
June 11	68	30	0.00
June 12	80	45	0.00
June 13	89	44	0.00
June 14	95	49	0.00
June 15	92	56	0.00
June 16	84	49	0.00
June 17	79	42	0.00
June 18	86	46	0.00
June 19	80	46	0.00
June 20	67	48	0.14
June 21	84	39	0.00
June 22	89	49	0.01
June 23	79	52	0.01
June 24	82	49	0.03
June 25	78	48	0.00
June 26	81	53	0.00
June 27	84	51	0.00
June 28	88	51	0.00
June 29	91	50	0.00
June 30	91	54	0.00

July 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	92	55	0.01
July 2	89	50	0.00
July 3	93	59	0.00
July 4	91	59	0.03
July 5	87	57	0.01
July 6	89	53	0.00
July 7	91	53	0.00
July 8	89	49	0.00
July 9	84	47	0.00
July 10	89	45	0.00
July 11	93	50	0.00
July 12	92	50	0.00
July 13	81	49	0.00
July 14	87	47	0.00
July 15	89	50	0.00
July 16	87	52	0.00
July 17	92	48	0.00
July 18	95	54	0.00
July 19	83	55	0.00
July 20	82	59	0.00
July 21	88	54	0.00
July 22	88	52	0.00
July 23	83	48	0.00
July 24	88	48	0.00
July 25	91	47	0.00
July 26	93	51	0.00
July 27	92	53	0.00
July 28	84	56	0.00
July 29	87	55	0.00
July 30	90	50	0.00
July 31	81	56	0.01

August 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	57	0.00
August 2	81	58	0.09
August 3	83	52	0.00
August 4	89	52	0.00
August 5	82	56	0.10
August 6	75	52	0.02
August 7	83	48	0.00
August 8	85	44	0.07
August 9	73	39	0.00
August 10	82	43	0.00
August 11	87	48	0.00
August 12	88	53	0.00
August 13	87	52	0.00
August 14	91	50	0.00
August 15	89	50	0.00
August 16	90	55	0.00
August 17	86	47	0.01
August 18	50	45	0.00
August 19	58	45	0.00
August 20	68	45	0.01
August 21	66	45	0.07
August 22	73	44	0.00
August 23	82	43	0.00
August 24	74	38	0.00
August 25	78	39	0.00
August 26	73	42	0.00
August 27	73	47	0.00
August 28	73	37	0.00
August 29	82	40	0.00
August 30	86	43	0.00
August 31	83	47	0.00

September 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	76	37	0.00
September 2	72	37	0.00
September 3	74	39	0.00
September 4	80	37	0.00
September 5	87	45	0.00
September 6	85	45	0.00
September 7	87	44	0.00
September 8	87	46	0.00
September 9	92	55	0.00
September 10	84	49	0.03
September 11	74	48	0.00
September 12	77	36	0.00
September 13	74	37	0.00
September 14	75	35	0.00
September 15	79	46	0.00
September 16	65	38	0.00
September 17	79	25	0.00
September 18	79	50	0.00
September 19	57	37	0.00
September 20	54	32	0.00
September 21	71	32	0.00
September 22	78	40	0.00
September 23	68	42	0.00
September 24	75	34	0.00
September 25	81	45	0.00
September 26	83	48	0.00
September 27	83	44	0.00
September 28	64	33	0.00
September 29	58	22	0.00
September 30	67	27	0.00

October 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	69	31	0.00
October 2	72	34	0.00
October 3	75	39	0.00
October 4	77	42	0.00
October 5	78	41	0.00
October 6	67	41	0.22
October 7	56	39	0.01
October 8	53	37	0.30
October 9	55	38	0.00
October 10	56	35	0.00
October 11	39	26	0.16
October 12	31	22	0.00
October 13	34	26	0.00
October 14	38	29	0.00
October 15	50	28	0.00
October 16	60	32	0.00
October 17	64	32	0.00
October 18	60	32	0.00
October 19	53	30	0.00
October 20	56	27	0.00
October 21	64	34	0.00
October 22	65	36	0.00
October 23	51	36	0.00
October 24	50	28	0.00
October 25	52	36	0.17
October 26	46	32	0.15
October 27	49	34	0.00
October 28	59	35	0.00
October 29	60	38	0.00
October 30	46	24	0.00
October 31	33	24	0.00

November 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	38	27	0.00
November 2	51	28	0.00
November 3	54	28	0.00
November 4	60	30	0.01
November 5	56	31	0.00
November 6	51	36	0.00
November 7	43	21	0.00
November 8	41	19	0.00
November 9	47	19	0.00
November 10	39	20	0.00
November 11	37	19	0.00
November 12	55	25	0.00
November 13	53	34	0.00
November 14	64	42	0.00
November 15	61	37	0.00
November 16	50	19	0.00
November 17	33	13	0.00
November 18	41	19	0.00
November 19	49	31	0.01
November 20	41	19	0.00
November 21	46	18	0.00
November 22	51	26	0.00
November 23	44	23	0.00
November 24	36	22	0.00
November 25	47	25	0.00
November 26	49	29	0.00
November 27	50	31	0.00
November 28	59	35	0.00
November 29	58	27	0.00
November 30	51	27	0.00

December 2021 Dillon Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	60	40	0.00
December 2	62	35	0.00
December 3	52	30	0.00
December 4	56	31	0.00
December 5	46	13	0.00
December 6	42	16	0.00
December 7	44	25	0.00
December 8	45	23	0.00
December 9	31	14	0.00
December 10	27	14	0.00
December 11	34	18	0.00
December 12	44	26	0.00
December 13	40	31	0.00
December 14	42	24	0.01
December 15	24	3	0.01
December 16	26	8	0.00
December 17	23	3	0.00
December 18	32	0	0.00
December 19	37	22	0.00
December 20	40	11	0.00
December 21	45	27	0.00
December 22	40	26	0.00
December 23	41	25	0.00
December 24	34	19	0.00
December 25	33	17	0.00
December 26	31	2	0.00
December 27	16	-6	0.00
December 28	15	2	0.00
December 29	13	-2	0.00
December 30	24	7	0.00
December 31	16	-13	0.00

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Weather Station Details

Years	Station	Coordinates
1941–2024	Dillon Airport	location
1895–1940	University of Montana Western	location