Helena Weather in 2020

Historical record of Helena, Montana weather for the year 2020 based on NOAA data.

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2020 Helena Weather Extremes
Highest temperature	100 °F	August 17
Lowest temperature	-7 °F	January 15
Highest daily low	67 °F	July 28
Lowest daily high	4 °F	January 14
Most daily precipitation	0.8 inches	May 19
Most daily snow	8.9 inches	October 24
Total annual precipitation	9.9 inches	-
Total annual snow	52.3 inches	-

What was the hottest temperature in Helena in 2020?

The highest temperature recorded in Helena, Montana in 2020 was 100 °F which happened on August 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 2020

Rank	Temperature	Date
1	100 °F	Aug 17
2	99 °F	Sep 5
2	99 °F	Aug 2
4	97 °F	Aug 16
4	97 °F	Aug 1
4	97 °F	Jul 31
7	96 °F	Jul 27
7	96 °F	Jul 22
9	94 °F	Aug 11
9	94 °F	Jul 30

What was the coldest temperature in Helena in 2020?

The lowest temperature recorded in Helena, Montana in 2020 was -7 °F which happened on Jan 15.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 2020

Rank	Temperature	Date
1	-7 °F	January 15
2	-6 °F	October 26
3	-4 °F	October 25
3	-4 °F	January 14
5	-2 °F	March 15
5	-2 °F	March 14
5	-2 °F	January 13
8	3 °F	January 10
9	5 °F	March 16
10	8 °F	December 29
10	8 °F	October 24
10	8 °F	February 19
10	8 °F	February 4
10	8 °F	January 12
10	8 °F	January 9

January 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	47	31	0.04	0.0
January 2	40	33	0.00	0.0
January 3	40	29	0.00	0.0
January 4	50	27	0.01	0.0
January 5	39	26	0.00	0.0
January 6	40	31	0.00	0.0
January 7	46	31	0.00	0.0
January 8	46	28	0.00	0.0
January 9	32	8	0.01	0.3
January 10	33	3	0.00	0.0
January 11	36	18	0.00	0.0
January 12	33	8	0.00	0.0
January 13	11	-2	0.02	0.3
January 14	4	-4	0.01	0.0
January 15	18	-7	0.00	0.0
January 16	34	10	0.00	0.0
January 17	35	10	0.00	0.0
January 18	35	21	0.00	0.0
January 19	43	20	0.00	0.0
January 20	39	17	0.00	0.0
January 21	42	20	0.01	0.0
January 22	45	34	0.00	0.0
January 23	43	30	0.00	0.0
January 24	45	24	0.00	0.0
January 25	47	28	0.00	0.0
January 26	42	26	0.00	0.0
January 27	47	27	0.00	0.0
January 28	43	24	0.00	0.0
January 29	47	22	0.00	0.0
January 30	46	27	0.00	0.0
January 31	50	26	0.00	0.0

February 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	64	37	0.00	0.0
February 2	40	22	0.00	0.0
February 3	33	16	0.00	0.0
February 4	32	8	0.00	0.0
February 5	39	26	0.00	0.0
February 6	43	29	0.00	0.0
February 7	41	29	0.00	0.0
February 8	40	22	0.02	0.1
February 9	37	10	0.00	0.0
February 10	35	16	0.06	1.7
February 11	38	15	0.00	0.0
February 12	33	23	0.00	0.0
February 13	42	16	0.00	0.0
February 14	42	27	0.02	0.0
February 15	41	31	0.00	0.0
February 16	45	25	0.00	0.0
February 17	38	22	0.00	0.0
February 18	34	15	0.00	0.0
February 19	32	8	0.00	0.0
February 20	38	9	0.00	0.0
February 21	51	12	0.00	0.0
February 22	56	22	0.00	0.0
February 23	48	22	0.07	0.5
February 24	39	27	0.02	0.4
February 25	41	17	0.01	0.1
February 26	47	29	0.00	0.0
February 27	50	33	0.00	0.0
February 28	58	28	0.00	0.0
February 29	44	30	0.00	0.0

March 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	44	27	0.01	0.0
March 2	44	31	0.00	0.0
March 3	53	35	0.00	0.0
March 4	50	30	0.00	0.0
March 5	58	20	0.00	0.0
March 6	70	32	0.00	0.0
March 7	57	34	0.05	0.0
March 8	47	27	0.00	0.0
March 9	47	31	0.00	0.0
March 10	51	24	0.00	0.0
March 11	57	28	0.03	0.2
March 12	43	17	0.04	0.8
March 13	31	13	0.12	2.2
March 14	13	-2	0.22	7.2
March 15	14	-2	0.01	0.2
March 16	32	5	0.00	0.0
March 17	41	9	0.00	0.0
March 18	38	22	0.01	0.1
March 19	30	25	0.00	0.0
March 20	49	18	0.00	0.0
March 21	54	23	0.00	0.0
March 22	54	27	0.06	0.0
March 23	59	32	0.00	0.0
March 24	47	24	0.00	0.0
March 25	45	23	0.00	0.0
March 26	45	25	0.00	0.0
March 27	45	31	0.00	0.0
March 28	54	32	0.00	0.0
March 29	58	26	0.00	0.0
March 30	58	27	0.03	0.0
March 31	44	20	0.37	2.7

April 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	21	13	0.00	0.0
April 2	37	13	0.00	0.0
April 3	44	19	0.00	0.0
April 4	47	30	0.01	0.3
April 5	60	27	0.00	0.0
April 6	62	33	0.00	0.0
April 7	63	36	0.00	0.0
April 8	62	27	0.00	0.0
April 9	68	30	0.00	0.0
April 10	70	34	0.00	0.0
April 11	43	21	0.34	2.8
April 12	31	13	0.00	0.0
April 13	37	16	0.00	0.0
April 14	50	25	0.00	0.0
April 15	40	26	0.10	0.4
April 16	45	21	0.00	0.0
April 17	62	23	0.00	0.0
April 18	54	30	0.00	0.0
April 19	61	31	0.00	0.0
April 20	66	32	0.00	0.0
April 21	69	44	0.00	0.0
April 22	64	45	0.00	0.0
April 23	60	45	0.01	0.0
April 24	61	39	0.00	0.0
April 25	67	33	0.00	0.0
April 26	68	44	0.00	0.0
April 27	67	42	0.00	0.0
April 28	69	42	0.00	0.0
April 29	83	49	0.00	0.0
April 30	70	46	0.26	0.0

May 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	64	40	0.00
May 2	70	34	0.00
May 3	60	42	0.00
May 4	60	36	0.00
May 5	70	31	0.00
May 6	66	41	0.00
May 7	57	38	0.00
May 8	60	36	0.04
May 9	61	36	0.00
May 10	55	40	0.00
May 11	45	39	0.03
May 12	54	37	0.02
May 13	64	38	0.02
May 14	68	39	0.00
May 15	50	43	0.10
May 16	69	36	0.00
May 17	77	42	0.00
May 18	78	51	0.09
May 19	70	48	0.75
May 20	66	45	0.46
May 21	64	43	0.06
May 22	61	39	0.00
May 23	58	43	0.00
May 24	68	43	0.00
May 25	73	40	0.00
May 26	74	52	0.00
May 27	76	47	0.00
May 28	78	49	0.00
May 29	80	50	0.00
May 30	89	53	0.00
May 31	82	58	0.00

June 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	77	52	0.00
June 2	79	48	0.00
June 3	80	58	0.00
June 4	76	56	0.00
June 5	82	47	0.00
June 6	73	52	0.49
June 7	64	45	0.03
June 8	58	41	0.18
June 9	61	41	0.00
June 10	74	52	0.01
June 11	83	48	0.00
June 12	92	54	0.00
June 13	88	53	0.00
June 14	60	44	0.23
June 15	70	42	0.05
June 16	59	49	0.13
June 17	54	47	0.63
June 18	61	47	0.07
June 19	75	46	0.00
June 20	78	50	0.00
June 21	78	60	0.00
June 22	81	52	0.00
June 23	88	52	0.00
June 24	92	57	0.00
June 25	83	56	0.00
June 26	91	55	0.00
June 27	82	55	0.12
June 28	61	48	0.50
June 29	54	45	0.63
June 30	59	40	0.08

July 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	72	45	0.00
July 2	78	45	0.00
July 3	84	50	0.00
July 4	77	52	0.11
July 5	82	50	0.00
July 6	83	53	0.00
July 7	79	54	0.00
July 8	77	52	0.00
July 9	84	49	0.00
July 10	79	53	0.09
July 11	88	51	0.00
July 12	84	54	0.00
July 13	78	55	0.00
July 14	79	49	0.00
July 15	84	47	0.00
July 16	90	53	0.00
July 17	84	58	0.00
July 18	84	56	0.00
July 19	86	53	0.00
July 20	84	57	0.00
July 21	93	55	0.00
July 22	96	56	0.00
July 23	81	58	0.01
July 24	89	57	0.05
July 25	86	55	0.00
July 26	89	52	0.00
July 27	96	55	0.00
July 28	93	67	0.00
July 29	92	60	0.00
July 30	94	57	0.00
July 31	97	61	0.00

August 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	97	63	0.00
August 2	99	63	0.00
August 3	93	65	0.00
August 4	89	58	0.00
August 5	92	56	0.01
August 6	93	57	0.00
August 7	78	58	0.00
August 8	87	47	0.00
August 9	83	60	0.00
August 10	88	55	0.00
August 11	94	53	0.00
August 12	86	52	0.00
August 13	76	55	0.00
August 14	83	46	0.00
August 15	92	50	0.00
August 16	97	53	0.00
August 17	100	62	0.00
August 18	93	65	0.00
August 19	89	59	0.04
August 20	90	60	0.00
August 21	92	53	0.00
August 22	91	54	0.00
August 23	92	56	0.00
August 24	89	56	0.00
August 25	84	57	0.02
August 26	87	52	0.00
August 27	84	55	0.00
August 28	86	51	0.00
August 29	90	50	0.00
August 30	72	52	0.00
August 31	65	52	0.00

September 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	82	55	0.00
September 2	89	56	0.00
September 3	90	45	0.00
September 4	92	51	0.00
September 5	99	54	0.00
September 6	90	58	0.00
September 7	60	39	0.15
September 8	58	33	0.00
September 9	71	40	0.00
September 10	81	40	0.00
September 11	86	44	0.00
September 12	90	50	0.00
September 13	77	51	0.00
September 14	73	45	0.00
September 15	82	48	0.00
September 16	74	44	0.00
September 17	78	43	0.00
September 18	77	47	0.00
September 19	70	56	0.10
September 20	72	50	0.00
September 21	78	41	0.00
September 22	74	43	0.00
September 23	77	47	0.00
September 24	68	47	0.00
September 25	63	38	0.00
September 26	63	47	0.00
September 27	63	41	0.00
September 28	73	36	0.00
September 29	82	41	0.00
September 30	70	44	0.00

October 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	70	38	0.00	0.0
October 2	77	40	0.00	0.0
October 3	77	41	0.00	0.0
October 4	84	39	0.00	0.0
October 5	78	53	0.00	0.0
October 6	84	45	0.00	0.0
October 7	80	45	0.00	0.0
October 8	82	43	0.00	0.0
October 9	76	46	0.00	0.0
October 10	78	40	0.00	0.0
October 11	55	43	0.00	0.0
October 12	60	42	0.01	0.0
October 13	54	35	0.03	0.0
October 14	53	40	0.00	0.0
October 15	51	37	0.00	0.0
October 16	62	33	0.10	0.0
October 17	33	23	0.63	6.6
October 18	29	22	0.13	1.2
October 19	44	29	0.12	0.0
October 20	53	40	0.00	0.0
October 21	49	25	0.01	0.0
October 22	32	20	0.00	0.0
October 23	28	17	0.60	8.7
October 24	18	8	0.40	8.9
October 25	14	-4	0.00	0.0
October 26	19	-6	0.00	0.0
October 27	46	15	0.00	0.0
October 28	49	29	0.00	0.0
October 29	50	30	0.00	0.0
October 30	70	26	0.00	0.0
October 31	53	35	0.00	0.0

November 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	58	28	0.00	0.0
November 2	60	28	0.00	0.0
November 3	66	27	0.00	0.0
November 4	68	34	0.00	0.0
November 5	76	38	0.00	0.0
November 6	65	41	0.00	0.0
November 7	50	24	0.09	0.0
November 8	24	14	0.21	3.2
November 9	29	10	0.00	0.0
November 10	37	17	0.00	0.0
November 11	31	17	0.02	0.4
November 12	36	16	0.00	0.0
November 13	44	15	0.00	0.0
November 14	39	29	0.00	0.0
November 15	50	28	0.00	0.0
November 16	43	30	0.00	0.0
November 17	61	31	0.00	0.0
November 18	51	35	0.01	0.0
November 19	46	31	0.03	0.3
November 20	43	26	0.00	0.0
November 21	43	24	0.00	0.0
November 22	39	18	0.00	0.0
November 23	38	15	0.00	0.0
November 24	44	26	0.00	0.0
November 25	41	25	0.00	0.0
November 26	40	31	0.00	0.0
November 27	45	25	0.00	0.0
November 28	47	15	0.00	0.0
November 29	43	19	0.00	0.0
November 30	49	14	0.00	0.0

December 2020 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	23	0.00	0.0
December 2	37	15	0.00	0.0
December 3	40	15	0.00	0.0
December 4	43	15	0.00	0.0
December 5	38	14	0.00	0.0
December 6	40	13	0.00	0.0
December 7	44	16	0.00	0.0
December 8	55	26	0.00	0.0
December 9	53	29	0.00	0.0
December 10	41	19	0.00	0.0
December 11	29	17	0.04	0.6
December 12	30	14	0.00	0.0
December 13	28	16	0.07	0.5
December 14	38	19	0.08	1.5
December 15	36	23	0.00	0.0
December 16	44	29	0.01	0.1
December 17	44	29	0.00	0.0
December 18	42	30	0.00	0.0
December 19	47	30	0.00	0.0
December 20	52	36	0.00	0.0
December 21	52	32	0.00	0.0
December 22	51	23	0.00	0.0
December 23	33	11	0.00	0.0
December 24	36	15	0.00	0.0
December 25	39	21	0.00	0.0
December 26	46	28	0.01	0.0
December 27	41	20	0.00	0.0
December 28	33	12	0.00	0.0
December 29	33	8	0.00	0.0
December 30	34	19	0.00	0.0
December 31	41	26	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1939–2024	Helena Regional Airport	location
1893–1938	Helna	location