Helena Weather in 1970

Historical record of Helena, Montana weather for the year 1970 based on NOAA data.

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1970 Helena Weather Extremes
Highest temperature	98 °F	August 7
Lowest temperature	-19 °F	January 7
Highest daily low	65 °F	June 24
Lowest daily high	-2 °F	January 16
Most daily precipitation	1.0 inches	June 27
Most daily snow	6.4 inches	February 27
Total annual precipitation	9.7 inches	-
Total annual snow	49.1 inches	-

What was the hottest temperature in Helena in 1970?

The highest temperature recorded in Helena, Montana in 1970 was 98 °F which happened on August 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1970

Rank	Temperature	Date
1	98 °F	Aug 7
2	94 °F	Aug 25
2	94 °F	Aug 16
2	94 °F	Aug 12
2	94 °F	Jul 20
6	93 °F	Jul 16
6	93 °F	Jun 26
8	92 °F	Aug 11
8	92 °F	Jul 8
8	92 °F	Jun 24
8	92 °F	Jun 23

What was the coldest temperature in Helena in 1970?

The lowest temperature recorded in Helena, Montana in 1970 was -19 °F which happened on Jan 7.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1970

Rank	Temperature	Date
1	-19 °F	January 7
2	-18 °F	January 5
3	-16 °F	January 6
4	-15 °F	January 8
5	-11 °F	December 22
5	-11 °F	January 4
7	-9 °F	March 3
7	-9 °F	January 16
9	-7 °F	January 17
10	-6 °F	November 22

January 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	25	10	0.00	0.0
January 2	25	13	0.00	0.0
January 3	19	3	0.03	0.5
January 4	16	-11	0.00	0.0
January 5	2	-18	0.00	0.0
January 6	2	-16	0.06	0.7
January 7	1	-19	0.00	0.0
January 8	4	-15	0.00	0.0
January 9	42	-3	0.00	0.0
January 10	42	14	0.00	0.0
January 11	33	5	0.00	0.0
January 12	30	4	0.00	0.0
January 13	44	15	0.00	0.0
January 14	49	30	0.00	0.0
January 15	41	-3	0.02	0.2
January 16	-2	-9	0.10	2.6
January 17	5	-7	0.07	0.8
January 18	17	1	0.07	0.7
January 19	33	16	0.01	0.1
January 20	42	22	0.03	0.0
January 21	41	15	0.00	0.0
January 22	41	25	0.00	0.0
January 23	42	23	0.01	0.0
January 24	42	30	0.00	0.0
January 25	43	31	0.07	1.4
January 26	32	20	0.00	0.0
January 27	41	28	0.04	0.0
January 28	31	23	0.00	0.0
January 29	34	17	0.00	0.0
January 30	38	13	0.00	0.0
January 31	39	16	0.00	0.0

February 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	37	15	0.00	0.0
February 2	37	14	0.00	0.0
February 3	47	22	0.00	0.0
February 4	35	25	0.00	0.0
February 5	40	16	0.00	0.0
February 6	47	29	0.00	0.0
February 7	47	23	0.00	0.0
February 8	45	21	0.00	0.0
February 9	45	18	0.00	0.0
February 10	48	18	0.00	0.0
February 11	40	18	0.00	0.0
February 12	41	17	0.00	0.0
February 13	36	23	0.10	1.3
February 14	43	31	0.00	0.0
February 15	52	32	0.00	0.0
February 16	58	34	0.00	0.0
February 17	48	32	0.00	0.0
February 18	40	32	0.00	0.0
February 19	41	28	0.00	0.0
February 20	45	18	0.00	0.0
February 21	47	16	0.00	0.0
February 22	48	17	0.00	0.0
February 23	51	16	0.00	0.0
February 24	47	16	0.00	0.0
February 25	51	14	0.00	0.0
February 26	50	30	0.00	0.0
February 27	30	19	0.41	6.4
February 28	19	11	0.16	1.8

March 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	17	8	0.24	2.3
March 2	19	1	0.21	2.5
March 3	18	-9	0.02	0.2
March 4	27	-5	0.00	0.0
March 5	36	2	0.00	0.0
March 6	35	8	0.00	0.0
March 7	47	20	0.00	0.0
March 8	39	28	0.00	0.0
March 9	32	17	0.00	0.0
March 10	31	12	0.00	0.0
March 11	33	11	0.00	0.0
March 12	40	17	0.00	0.0
March 13	45	27	0.00	0.0
March 14	42	23	0.05	0.0
March 15	47	33	0.00	0.0
March 16	46	31	0.06	0.0
March 17	39	24	0.00	0.0
March 18	39	21	0.00	0.0
March 19	44	16	0.00	0.0
March 20	53	28	0.00	0.0
March 21	40	28	0.01	0.0
March 22	48	34	0.00	0.0
March 23	47	37	0.00	0.0
March 24	43	28	0.20	2.2
March 25	41	21	0.00	0.0
March 26	33	16	0.03	0.5
March 27	43	15	0.00	0.0
March 28	42	25	0.11	1.0
March 29	38	21	0.02	0.2
March 30	34	19	0.01	0.1
March 31	37	16	0.00	0.0

April 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	44	27	0.00	0.0
April 2	35	18	0.08	0.8
April 3	43	15	0.00	0.0
April 4	53	26	0.00	0.0
April 5	53	34	0.00	0.0
April 6	71	28	0.00	0.0
April 7	46	18	0.00	0.0
April 8	50	18	0.00	0.0
April 9	64	29	0.00	0.0
April 10	55	34	0.00	0.0
April 11	45	27	0.00	0.0
April 12	44	24	0.00	0.0
April 13	43	23	0.00	0.0
April 14	32	25	0.04	0.4
April 15	36	23	0.00	0.0
April 16	40	20	0.00	0.0
April 17	48	14	0.00	0.0
April 18	52	20	0.00	0.0
April 19	52	24	0.00	0.0
April 20	42	29	0.07	0.8
April 21	44	29	0.00	0.0
April 22	45	29	0.03	0.0
April 23	53	32	0.00	0.0
April 24	55	31	0.00	0.0
April 25	45	30	0.01	0.0
April 26	42	28	0.21	1.3
April 27	43	32	0.17	1.8
April 28	35	30	0.17	2.5
April 29	49	30	0.02	0.3
April 30	47	32	0.01	0.0

May 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	59	30	0.00	0.0
May 2	70	38	0.00	0.0
May 3	71	39	0.00	0.0
May 4	76	31	0.00	0.0
May 5	75	39	0.00	0.0
May 6	72	38	0.13	0.0
May 7	52	43	0.21	0.0
May 8	58	42	0.00	0.0
May 9	59	41	0.00	0.0
May 10	53	34	0.19	0.0
May 11	50	36	0.00	0.0
May 12	44	32	0.23	1.4
May 13	49	32	0.00	0.0
May 14	58	32	0.00	0.0
May 15	72	37	0.00	0.0
May 16	81	37	0.00	0.0
May 17	76	43	0.00	0.0
May 18	63	44	0.08	0.0
May 19	65	44	0.30	0.0
May 20	57	44	0.02	0.0
May 21	67	44	0.00	0.0
May 22	71	38	0.01	0.0
May 23	67	46	0.00	0.0
May 24	62	39	0.00	0.0
May 25	79	38	0.00	0.0
May 26	74	45	0.00	0.0
May 27	65	38	0.02	0.0
May 28	64	37	0.00	0.0
May 29	64	43	0.01	0.0
May 30	57	38	0.00	0.0
May 31	67	33	0.00	0.0

June 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	75	37	0.00
June 2	84	41	0.00
June 3	87	44	0.00
June 4	88	48	0.00
June 5	82	51	0.00
June 6	84	51	0.00
June 7	78	48	0.11
June 8	78	44	0.01
June 9	62	47	0.05
June 10	63	45	0.00
June 11	64	40	0.00
June 12	52	42	0.34
June 13	59	41	0.07
June 14	63	40	0.10
June 15	64	44	0.06
June 16	60	50	0.12
June 17	71	49	0.00
June 18	79	45	0.00
June 19	83	57	0.00
June 20	84	50	0.00
June 21	89	53	0.00
June 22	91	56	0.00
June 23	92	56	0.00
June 24	92	65	0.00
June 25	91	62	0.00
June 26	93	55	0.06
June 27	84	48	1.01
June 28	73	55	0.16
June 29	56	45	0.02
June 30	62	43	0.00

July 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	75	40	0.00
July 2	79	53	0.00
July 3	85	48	0.00
July 4	90	56	0.00
July 5	88	60	0.00
July 6	86	55	0.00
July 7	91	51	0.00
July 8	92	55	0.00
July 9	88	56	0.00
July 10	77	59	0.00
July 11	88	57	0.13
July 12	84	54	0.20
July 13	72	53	0.10
July 14	78	44	0.00
July 15	91	47	0.00
July 16	93	52	0.00
July 17	90	61	0.07
July 18	85	53	0.00
July 19	90	56	0.00
July 20	94	57	0.00
July 21	80	61	0.03
July 22	70	51	0.07
July 23	77	50	0.00
July 24	85	46	0.00
July 25	83	53	0.00
July 26	87	53	0.00
July 27	78	55	0.07
July 28	81	56	0.19
July 29	77	52	0.07
July 30	77	49	0.00
July 31	80	45	0.00

August 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	47	0.27
August 2	77	56	0.01
August 3	82	47	0.00
August 4	90	48	0.00
August 5	79	57	0.17
August 6	88	55	0.00
August 7	98	54	0.03
August 8	76	50	0.00
August 9	81	45	0.00
August 10	87	46	0.00
August 11	92	48	0.00
August 12	94	50	0.00
August 13	86	51	0.00
August 14	79	47	0.00
August 15	85	43	0.00
August 16	94	48	0.00
August 17	87	56	0.00
August 18	83	44	0.00
August 19	84	43	0.00
August 20	79	48	0.15
August 21	85	44	0.00
August 22	91	47	0.00
August 23	91	50	0.00
August 24	91	48	0.00
August 25	94	53	0.00
August 26	90	57	0.00
August 27	90	49	0.00
August 28	89	52	0.00
August 29	78	48	0.00
August 30	84	45	0.00
August 31	86	53	0.00

September 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	54	0.00
September 2	80	51	0.00
September 3	84	45	0.00
September 4	73	54	0.00
September 5	65	48	0.00
September 6	72	41	0.00
September 7	71	47	0.02
September 8	67	45	0.01
September 9	66	40	0.00
September 10	74	32	0.00
September 11	50	30	0.06
September 12	38	29	0.00
September 13	41	27	0.02
September 14	55	18	0.00
September 15	62	22	0.00
September 16	67	28	0.00
September 17	78	40	0.00
September 18	85	38	0.00
September 19	58	45	0.23
September 20	59	38	0.00
September 21	60	33	0.00
September 22	65	36	0.00
September 23	57	37	0.02
September 24	50	28	0.00
September 25	57	23	0.00
September 26	65	28	0.00
September 27	73	28	0.00
September 28	75	30	0.00
September 29	79	33	0.00
September 30	77	33	0.00

October 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	75	39	0.00	0.0
October 2	72	34	0.00	0.0
October 3	81	33	0.00	0.0
October 4	82	36	0.00	0.0
October 5	58	28	0.44	1.4
October 6	33	25	0.01	0.0
October 7	41	20	0.00	0.0
October 8	46	33	0.00	0.0
October 9	48	33	0.04	0.0
October 10	46	32	0.00	0.0
October 11	62	41	0.00	0.0
October 12	54	37	0.04	0.0
October 13	42	28	0.03	0.0
October 14	47	20	0.00	0.0
October 15	57	19	0.00	0.0
October 16	59	18	0.00	0.0
October 17	58	18	0.00	0.0
October 18	56	22	0.00	0.0
October 19	58	30	0.00	0.0
October 20	62	25	0.00	0.0
October 21	50	29	0.00	0.0
October 22	47	28	0.00	0.0
October 23	53	23	0.00	0.0
October 24	46	28	0.02	0.0
October 25	43	23	0.00	0.0
October 26	41	23	0.00	0.0
October 27	43	28	0.00	0.0
October 28	50	19	0.00	0.0
October 29	52	17	0.00	0.0
October 30	53	15	0.00	0.0
October 31	53	18	0.00	0.0

November 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	51	21	0.00	0.0
November 2	45	17	0.00	0.0
November 3	44	13	0.00	0.0
November 4	46	13	0.00	0.0
November 5	58	23	0.00	0.0
November 6	53	29	0.00	0.0
November 7	50	23	0.00	0.0
November 8	52	21	0.00	0.0
November 9	48	30	0.00	0.0
November 10	45	17	0.00	0.0
November 11	42	17	0.00	0.0
November 12	47	31	0.00	0.0
November 13	46	21	0.00	0.0
November 14	40	15	0.00	0.0
November 15	42	16	0.00	0.0
November 16	48	20	0.01	0.0
November 17	45	34	0.00	0.0
November 18	40	24	0.00	0.0
November 19	43	32	0.00	0.0
November 20	39	20	0.01	0.1
November 21	28	-1	0.04	0.7
November 22	16	-6	0.00	0.0
November 23	23	2	0.00	0.0
November 24	54	16	0.11	0.0
November 25	45	9	0.17	3.8
November 26	30	20	0.03	0.4
November 27	24	5	0.05	0.4
November 28	17	-4	0.00	0.0
November 29	45	14	0.00	0.0
November 30	38	22	0.02	0.0

December 1970 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	34	19	0.05	0.7
December 2	35	13	0.02	0.2
December 3	37	6	0.06	0.8
December 4	30	10	0.00	0.1
December 5	32	8	0.00	0.0
December 6	49	28	0.00	0.0
December 7	52	33	0.00	0.0
December 8	39	23	0.00	0.0
December 9	29	19	0.20	1.8
December 10	27	9	0.00	0.0
December 11	35	18	0.00	0.0
December 12	33	7	0.00	0.0
December 13	21	3	0.00	0.0
December 14	23	2	0.00	0.0
December 15	36	17	0.00	0.0
December 16	36	20	0.00	0.0
December 17	25	14	0.00	0.0
December 18	14	4	0.01	0.1
December 19	15	3	0.00	0.0
December 20	21	4	0.00	0.0
December 21	18	0	0.17	3.3
December 22	11	-11	0.01	0.3
December 23	23	-1	0.00	0.0
December 24	25	2	0.02	0.2
December 25	39	17	0.00	0.0
December 26	22	3	0.00	0.0
December 27	23	4	0.00	0.0
December 28	34	4	0.00	0.0
December 29	36	20	0.00	0.0
December 30	42	17	0.00	0.0
December 31	42	20	0.00	0.0

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Weather Station Details

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