Helena Weather in 1939

Historical record of Helena, Montana weather for the year 1939 based on NOAA data.

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1939 Helena Weather Extremes
Highest temperature	100 °F	July 9
Lowest temperature	-36 °F	February 9
Highest daily low	64 °F	July 27
Lowest daily high	-16 °F	February 8
Most daily precipitation	0.6 inches	June 18
Most daily snow	3.0 inches	October 25

What was the hottest temperature in Helena in 1939?

The highest temperature recorded in Helena, Montana in 1939 was 100 °F which happened on July 9.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1939

Rank	Temperature	Date
1	100 °F	Jul 9
2	96 °F	Jul 27
3	95 °F	Aug 3
3	95 °F	Jul 29
3	95 °F	Jul 18
3	95 °F	Jul 10
7	94 °F	Aug 17
7	94 °F	Aug 14
7	94 °F	Jul 30
7	94 °F	Jul 28

What was the coldest temperature in Helena in 1939?

The lowest temperature recorded in Helena, Montana in 1939 was -36 °F which happened on Feb 9.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1939

Rank	Temperature	Date
1	-36 °F	February 9
2	-24 °F	February 10
3	-23 °F	February 8
4	-17 °F	February 7
5	-11 °F	March 5
6	-8 °F	March 4
6	-8 °F	February 11
6	-8 °F	February 6
9	-6 °F	December 28
10	-4 °F	December 25

January 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	60	34	0.00	n/a
January 2	54	30	0.00	n/a
January 3	44	26	0.00	n/a
January 4	39	26	0.00	n/a
January 5	37	26	0.00	n/a
January 6	38	18	0.00	n/a
January 7	45	22	0.00	n/a
January 8	41	20	0.00	n/a
January 9	37	25	0.00	n/a
January 10	40	22	0.00	n/a
January 11	46	28	0.00	n/a
January 12	39	29	0.00	n/a
January 13	41	26	0.00	n/a
January 14	36	24	0.00	n/a
January 15	39	16	0.00	n/a
January 16	35	27	0.00	n/a
January 17	39	28	0.00	n/a
January 18	45	25	0.00	n/a
January 19	47	21	0.00	n/a
January 20	43	14	0.00	n/a
January 21	23	5	0.03	n/a
January 22	28	4	0.00	n/a
January 23	38	7	0.00	n/a
January 24	45	15	0.00	n/a
January 25	39	19	0.00	n/a
January 26	33	13	0.00	n/a
January 27	39	10	0.00	n/a
January 28	38	22	0.00	n/a
January 29	40	20	0.02	n/a
January 30	29	13	0.01	n/a
January 31	21	10	0.00	n/a

February 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	29	6	n/a	n/a
February 2	30	11	n/a	n/a
February 3	33	14	n/a	n/a
February 4	32	12	n/a	n/a
February 5	39	16	n/a	n/a
February 6	33	-8	n/a	n/a
February 7	-6	-17	0.05	n/a
February 8	-16	-23	0.00	n/a
February 9	-11	-36	0.03	n/a
February 10	0	-24	n/a	n/a
February 11	28	-8	n/a	n/a
February 12	44	23	n/a	n/a
February 13	38	27	0.00	n/a
February 14	39	31	n/a	n/a
February 15	32	21	0.04	n/a
February 16	34	-1	0.15	n/a
February 17	42	26	n/a	n/a
February 18	40	18	n/a	n/a
February 19	21	6	n/a	n/a
February 20	24	10	0.01	n/a
February 21	29	0	0.00	n/a
February 22	40	4	n/a	n/a
February 23	40	16	n/a	n/a
February 24	40	24	0.13	n/a
February 25	38	24	0.00	n/a
February 26	35	20	0.00	n/a
February 27	33	21	n/a	n/a
February 28	30	18	0.00	n/a

March 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	39	16	n/a	n/a
March 2	41	24	n/a	n/a
March 3	32	10	n/a	n/a
March 4	10	-8	0.01	n/a
March 5	33	-11	0.00	n/a
March 6	44	13	n/a	n/a
March 7	37	15	0.00	n/a
March 8	38	15	n/a	n/a
March 9	43	20	n/a	n/a
March 10	45	23	0.00	n/a
March 11	52	22	n/a	n/a
March 12	51	28	n/a	n/a
March 13	31	9	0.11	n/a
March 14	26	-2	0.07	n/a
March 15	40	10	n/a	n/a
March 16	44	19	0.00	n/a
March 17	51	35	0.02	n/a
March 18	61	27	0.00	n/a
March 19	64	31	n/a	n/a
March 20	64	28	n/a	n/a
March 21	67	29	n/a	n/a
March 22	69	29	n/a	n/a
March 23	69	28	n/a	n/a
March 24	68	30	n/a	n/a
March 25	65	35	n/a	n/a
March 26	36	27	n/a	n/a
March 27	42	24	0.02	n/a
March 28	52	17	n/a	n/a
March 29	57	25	n/a	n/a
March 30	56	44	n/a	n/a
March 31	59	47	n/a	n/a

April 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	61	43	0.00	n/a
April 2	64	40	0.00	n/a
April 3	71	33	0.00	n/a
April 4	50	28	0.00	n/a
April 5	39	12	0.00	n/a
April 6	47	9	0.00	n/a
April 7	58	28	0.00	n/a
April 8	65	37	0.00	n/a
April 9	49	36	0.00	n/a
April 10	44	30	0.00	n/a
April 11	51	16	0.00	n/a
April 12	48	31	0.19	n/a
April 13	48	28	0.00	n/a
April 14	62	22	0.00	n/a
April 15	52	29	0.00	n/a
April 16	46	25	0.00	n/a
April 17	60	16	0.00	n/a
April 18	76	23	0.00	n/a
April 19	72	37	0.01	n/a
April 20	70	34	0.00	n/a
April 21	76	32	0.00	n/a
April 22	71	46	0.00	n/a
April 23	67	40	0.00	n/a
April 24	60	41	0.07	n/a
April 25	61	37	0.00	n/a
April 26	67	38	0.00	n/a
April 27	79	34	0.00	n/a
April 28	86	38	0.00	n/a
April 29	82	41	0.07	n/a
April 30	58	40	0.13	n/a

May 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	66	32	0.13
May 2	76	38	0.00
May 3	80	48	0.00
May 4	79	48	0.00
May 5	72	43	0.00
May 6	61	36	0.00
May 7	58	47	0.03
May 8	74	43	0.00
May 9	65	41	0.00
May 10	64	38	0.00
May 11	64	35	0.00
May 12	69	32	0.00
May 13	75	34	0.00
May 14	82	42	0.00
May 15	90	46	0.00
May 16	82	49	0.00
May 17	73	50	0.13
May 18	67	45	0.00
May 19	54	43	0.29
May 20	64	41	0.00
May 21	64	35	0.00
May 22	51	43	0.16
May 23	56	40	0.34
May 24	61	44	0.02
May 25	71	37	0.06
May 26	78	47	0.00
May 27	79	50	0.00
May 28	82	52	0.00
May 29	86	53	0.00
May 30	69	49	0.00
May 31	67	49	0.06

June 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	58	42	0.00
June 2	67	33	0.07
June 3	82	40	0.00
June 4	71	45	0.00
June 5	57	43	0.48
June 6	60	38	0.47
June 7	63	42	0.08
June 8	69	44	0.00
June 9	60	44	0.08
June 10	67	38	0.05
June 11	69	47	0.00
June 12	65	45	0.02
June 13	78	40	0.09
June 14	63	44	0.00
June 15	66	46	0.00
June 16	60	43	0.19
June 17	47	39	0.10
June 18	60	41	0.64
June 19	67	47	0.01
June 20	65	48	0.00
June 21	74	47	0.00
June 22	86	47	0.00
June 23	69	49	0.00
June 24	72	39	0.00
June 25	67	47	0.00
June 26	75	38	0.00
June 27	80	55	0.00
June 28	85	45	0.00
June 29	86	54	0.00
June 30	87	54	0.00

July 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	57	0.00
July 2	84	54	0.00
July 3	78	54	0.00
July 4	69	54	0.00
July 5	69	46	0.08
July 6	77	50	0.08
July 7	86	44	0.00
July 8	90	51	0.00
July 9	100	53	0.00
July 10	95	59	0.00
July 11	92	58	0.01
July 12	90	54	0.00
July 13	92	52	0.02
July 14	89	59	0.09
July 15	93	56	0.00
July 16	76	56	0.20
July 17	81	49	0.00
July 18	95	44	0.00
July 19	92	52	0.00
July 20	70	46	0.00
July 21	79	47	0.00
July 22	88	45	0.00
July 23	89	56	0.00
July 24	90	53	0.00
July 25	92	54	0.00
July 26	91	54	0.00
July 27	96	64	0.00
July 28	94	60	0.00
July 29	95	56	0.02
July 30	94	56	0.00
July 31	92	59	0.00

August 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	54	0.00
August 2	91	48	0.00
August 3	95	50	0.00
August 4	93	59	0.00
August 5	91	58	0.00
August 6	68	44	0.00
August 7	67	38	0.04
August 8	67	36	0.00
August 9	61	44	0.25
August 10	75	36	0.10
August 11	90	47	0.00
August 12	92	50	0.00
August 13	91	54	0.00
August 14	94	52	0.00
August 15	90	62	0.00
August 16	91	48	0.00
August 17	94	55	0.00
August 18	80	60	0.00
August 19	74	52	0.00
August 20	90	40	0.00
August 21	74	56	0.00
August 22	89	42	0.00
August 23	93	46	0.00
August 24	87	52	0.00
August 25	90	51	0.00
August 26	91	48	0.01
August 27	92	59	0.00
August 28	86	53	0.00
August 29	84	46	0.18
August 30	76	41	0.00
August 31	87	43	0.00

September 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	86	45	0.02	n/a
September 2	74	46	0.00	n/a
September 3	79	53	0.00	n/a
September 4	85	43	0.00	n/a
September 5	82	55	0.00	n/a
September 6	63	44	0.08	n/a
September 7	70	34	0.17	n/a
September 8	80	38	0.00	n/a
September 9	74	48	0.00	n/a
September 10	87	39	0.00	n/a
September 11	82	48	0.00	n/a
September 12	56	43	0.00	n/a
September 13	60	43	0.17	n/a
September 14	59	47	0.21	n/a
September 15	67	45	0.00	n/a
September 16	75	37	0.00	n/a
September 17	80	37	0.00	n/a
September 18	84	40	0.00	n/a
September 19	80	43	0.00	n/a
September 20	81	37	0.00	n/a
September 21	82	41	0.00	n/a
September 22	75	50	0.00	n/a
September 23	76	41	0.00	n/a
September 24	57	40	0.00	n/a
September 25	56	37	0.00	n/a
September 26	73	33	0.00	n/a
September 27	70	36	0.00	n/a
September 28	48	31	0.31	0.0
September 29	63	31	0.01	n/a
September 30	71	34	0.00	n/a

October 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	61	36	0.00	n/a
October 2	51	39	0.22	n/a
October 3	54	36	0.36	n/a
October 4	60	38	0.00	n/a
October 5	56	40	0.00	n/a
October 6	46	32	0.01	n/a
October 7	52	24	0.00	n/a
October 8	55	37	0.00	n/a
October 9	61	29	0.00	n/a
October 10	65	48	0.00	n/a
October 11	63	43	0.00	n/a
October 12	70	40	0.00	n/a
October 13	68	33	0.00	n/a
October 14	75	31	0.00	n/a
October 15	60	33	0.00	n/a
October 16	53	33	0.27	0.0
October 17	72	29	0.00	n/a
October 18	61	41	0.00	n/a
October 19	62	30	0.00	n/a
October 20	59	42	0.00	n/a
October 21	70	47	0.00	n/a
October 22	73	37	0.00	n/a
October 23	75	36	0.00	n/a
October 24	42	16	0.00	n/a
October 25	27	12	0.00	3.0
October 26	36	12	0.13	0.0
October 27	48	26	0.03	n/a
October 28	57	33	0.00	n/a
October 29	54	29	0.03	n/a
October 30	65	26	0.00	n/a
October 31	57	28	0.00	n/a

November 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	56	26	0.00
November 2	55	25	0.00
November 3	58	26	0.00
November 4	47	23	0.00
November 5	52	16	0.00
November 6	52	32	0.00
November 7	45	33	0.00
November 8	66	28	0.01
November 9	44	33	0.00
November 10	53	25	0.00
November 11	55	29	0.00
November 12	52	21	0.00
November 13	56	22	0.00
November 14	58	26	0.00
November 15	51	21	0.00
November 16	49	17	0.00
November 17	45	15	0.00
November 18	39	16	0.00
November 19	52	21	0.00
November 20	46	18	0.00
November 21	49	18	0.00
November 22	57	22	0.00
November 23	45	19	0.00
November 24	43	16	0.00
November 25	43	16	0.00
November 26	43	16	0.00
November 27	41	16	0.00
November 28	49	15	0.00
November 29	42	18	0.00
November 30	53	21	0.00

December 1939 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	50	28	0.00	0.0
December 2	54	29	0.00	0.0
December 3	48	18	0.00	0.0
December 4	61	24	0.00	0.0
December 5	55	23	0.00	0.0
December 6	56	28	0.00	0.0
December 7	45	18	0.00	0.0
December 8	62	28	0.00	0.0
December 9	55	37	0.00	0.0
December 10	65	34	0.10	0.0
December 11	59	34	0.03	0.0
December 12	40	21	0.00	0.0
December 13	36	21	0.00	0.0
December 14	55	22	0.00	0.0
December 15	56	31	0.00	0.0
December 16	60	31	0.01	0.0
December 17	42	30	0.00	0.0
December 18	41	21	0.02	0.0
December 19	36	19	0.00	0.0
December 20	43	25	0.00	n/a
December 21	36	24	0.00	n/a
December 22	26	15	0.04	n/a
December 23	31	10	0.00	n/a
December 24	19	3	0.00	n/a
December 25	17	-4	0.00	n/a
December 26	20	2	0.00	n/a
December 27	21	-1	0.00	n/a
December 28	16	-6	0.00	n/a
December 29	26	7	0.00	n/a
December 30	46	22	0.00	0.0
December 31	38	29	0.00	0.0

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Weather Station Details

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