Helena Weather in 1978

Historical record of Helena, Montana weather for the year 1978 based on NOAA data.

Jump to Month:

Year:

1978 Helena Weather Extremes
Highest temperature	95 °F	September 2
Lowest temperature	-31 °F	December 30
Highest daily low	62 °F	July 27
Lowest daily high	-14 °F	December 30
Most daily precipitation	0.6 inches	July 4
Most daily snow	10.4 inches	November 18
Total annual precipitation	11.0 inches	-
Total annual snow	68.4 inches	-

What was the hottest temperature in Helena in 1978?

The highest temperature recorded in Helena, Montana in 1978 was 95 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1978

Rank	Temperature	Date
1	95 °F	Sep 2
1	95 °F	Aug 9
1	95 °F	Aug 5
4	94 °F	Aug 10
4	94 °F	Aug 6
6	93 °F	Aug 11
6	93 °F	Aug 7
6	93 °F	Jul 27
6	93 °F	Jul 26
6	93 °F	Jul 23
6	93 °F	Jul 15
6	93 °F	Jun 28

What was the coldest temperature in Helena in 1978?

The lowest temperature recorded in Helena, Montana in 1978 was -31 °F which happened on Dec 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1978

Rank	Temperature	Date
1	-31 °F	December 30
2	-26 °F	December 29
3	-25 °F	January 2
3	-25 °F	January 1
5	-23 °F	December 31
6	-14 °F	February 13
7	-12 °F	February 14
8	-11 °F	December 28
8	-11 °F	March 3
8	-11 °F	January 30

January 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	-4	-25	0.00	0.0
January 2	-5	-25	0.00	0.0
January 3	14	-8	0.16	3.2
January 4	21	2	0.00	0.0
January 5	47	18	0.00	0.0
January 6	46	21	0.00	0.0
January 7	35	6	0.00	0.0
January 8	18	7	0.06	1.3
January 9	19	8	0.13	2.8
January 10	20	14	0.02	0.2
January 11	22	4	0.00	0.0
January 12	42	15	0.00	0.0
January 13	41	17	0.00	0.0
January 14	34	23	0.14	1.4
January 15	25	9	0.11	1.8
January 16	19	0	0.01	0.1
January 17	20	10	0.09	1.6
January 18	18	9	0.00	0.0
January 19	17	3	0.00	0.0
January 20	16	0	0.00	0.0
January 21	43	12	0.00	0.0
January 22	38	18	0.00	0.0
January 23	31	10	0.00	0.0
January 24	35	14	0.00	0.0
January 25	42	32	0.00	0.0
January 26	42	32	0.00	0.0
January 27	40	16	0.00	0.0
January 28	21	12	0.02	0.4
January 29	20	0	0.09	1.5
January 30	11	-11	0.00	0.0
January 31	13	2	0.13	1.4

February 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	13	2	0.11	2.6
February 2	19	-4	0.00	0.0
February 3	45	15	0.00	0.0
February 4	40	17	0.00	0.0
February 5	32	15	0.00	0.0
February 6	46	27	0.00	0.0
February 7	36	17	0.00	0.0
February 8	44	19	0.01	0.2
February 9	34	14	0.05	0.5
February 10	27	14	0.07	1.5
February 11	18	8	0.12	2.5
February 12	15	-4	0.00	0.0
February 13	9	-14	0.00	0.0
February 14	13	-12	0.00	0.0
February 15	19	-3	0.00	0.0
February 16	27	11	0.03	1.6
February 17	33	2	0.00	0.0
February 18	42	24	0.00	0.0
February 19	45	24	0.00	0.0
February 20	43	26	0.00	0.0
February 21	45	19	0.00	0.0
February 22	42	20	0.00	0.0
February 23	52	24	0.02	0.4
February 24	36	25	0.06	1.1
February 25	33	24	0.00	0.1
February 26	38	24	0.00	0.0
February 27	35	21	0.07	1.7
February 28	27	13	0.07	1.1

March 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	21	5	0.06	0.9
March 2	17	-1	0.00	0.0
March 3	11	-11	0.00	0.0
March 4	27	9	0.00	0.0
March 5	37	21	0.14	1.5
March 6	47	27	0.00	0.0
March 7	43	19	0.00	0.0
March 8	46	28	0.00	0.0
March 9	47	35	0.02	0.0
March 10	46	24	0.00	0.0
March 11	49	28	0.00	0.0
March 12	40	26	0.02	0.2
March 13	42	21	0.00	0.0
March 14	39	25	0.00	0.0
March 15	42	22	0.00	0.0
March 16	54	24	0.00	0.0
March 17	63	30	0.00	0.0
March 18	59	32	0.00	0.0
March 19	62	27	0.00	0.0
March 20	63	36	0.00	0.0
March 21	67	40	0.00	0.0
March 22	50	36	0.00	0.0
March 23	57	34	0.01	0.0
March 24	58	37	0.00	0.0
March 25	61	32	0.00	0.0
March 26	73	34	0.00	0.0
March 27	72	35	0.00	0.0
March 28	70	45	0.00	0.0
March 29	77	36	0.00	0.0
March 30	74	42	0.03	0.0
March 31	52	39	0.03	0.0

April 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	60	35	0.11	0.1
April 2	54	36	0.01	0.0
April 3	54	30	0.00	0.0
April 4	64	30	0.01	0.0
April 5	58	35	0.00	0.0
April 6	52	30	0.03	0.3
April 7	44	34	0.06	0.5
April 8	62	32	0.01	0.0
April 9	60	31	0.00	0.0
April 10	67	31	0.00	0.0
April 11	54	36	0.00	0.0
April 12	54	33	0.00	0.0
April 13	57	24	0.00	0.0
April 14	57	32	0.00	0.0
April 15	59	39	0.00	0.0
April 16	64	37	0.10	0.0
April 17	47	38	0.00	0.0
April 18	58	37	0.00	0.0
April 19	65	29	0.00	0.0
April 20	62	39	0.20	0.0
April 21	50	39	0.12	0.0
April 22	54	38	0.00	0.0
April 23	55	34	0.00	0.0
April 24	67	29	0.00	0.0
April 25	70	43	0.00	0.0
April 26	66	48	0.17	0.0
April 27	66	45	0.12	0.0
April 28	67	48	0.00	0.0
April 29	65	44	0.00	0.0
April 30	62	49	0.00	0.0

May 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	66	48	0.00
May 2	65	43	0.00
May 3	61	40	0.00
May 4	54	35	0.00
May 5	48	38	0.02
May 6	52	40	0.03
May 7	59	41	0.01
May 8	67	32	0.00
May 9	75	38	0.10
May 10	67	47	0.00
May 11	60	43	0.02
May 12	63	43	0.00
May 13	73	43	0.00
May 14	87	48	0.00
May 15	79	44	0.14
May 16	61	44	0.05
May 17	53	46	0.11
May 18	52	47	0.08
May 19	67	45	0.00
May 20	74	40	0.03
May 21	76	43	0.05
May 22	67	50	0.18
May 23	57	42	0.13
May 24	63	42	0.00
May 25	59	37	0.00
May 26	67	33	0.00
May 27	72	37	0.00
May 28	74	46	0.00
May 29	63	43	0.01
May 30	61	42	0.07
May 31	53	43	0.17

June 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	64	45	0.00
June 2	75	39	0.00
June 3	78	44	0.00
June 4	82	46	0.00
June 5	87	45	0.00
June 6	85	55	0.00
June 7	82	50	0.00
June 8	85	53	0.00
June 9	81	48	0.00
June 10	66	50	0.00
June 11	70	48	0.00
June 12	83	40	0.00
June 13	83	53	0.00
June 14	77	50	0.00
June 15	71	49	0.00
June 16	67	43	0.00
June 17	78	47	0.00
June 18	85	47	0.22
June 19	61	43	0.00
June 20	78	38	0.00
June 21	83	46	0.04
June 22	82	50	0.08
June 23	83	48	0.00
June 24	79	50	0.00
June 25	62	51	0.00
June 26	77	51	0.01
June 27	83	45	0.00
June 28	93	50	0.00
June 29	92	54	0.03
June 30	84	56	0.06

July 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	85	48	0.02
July 2	84	53	0.35
July 3	77	52	0.07
July 4	66	47	0.64
July 5	65	49	0.46
July 6	75	51	0.00
July 7	79	50	0.52
July 8	71	54	0.05
July 9	78	53	0.00
July 10	85	55	0.18
July 11	80	54	0.00
July 12	76	50	0.00
July 13	86	49	0.00
July 14	90	49	0.00
July 15	93	55	0.05
July 16	81	58	0.38
July 17	74	57	0.00
July 18	79	52	0.01
July 19	70	51	0.00
July 20	72	52	0.00
July 21	78	45	0.00
July 22	83	48	0.00
July 23	93	50	0.00
July 24	92	54	0.10
July 25	92	53	0.00
July 26	93	52	0.00
July 27	93	62	0.00
July 28	83	54	0.00
July 29	91	52	0.00
July 30	90	53	0.00
July 31	90	56	0.00

August 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	80	53	0.02
August 2	72	51	0.00
August 3	83	46	0.00
August 4	91	47	0.00
August 5	95	53	0.01
August 6	94	54	0.00
August 7	93	58	0.00
August 8	90	54	0.00
August 9	95	54	0.00
August 10	94	57	0.00
August 11	93	52	0.00
August 12	90	53	0.00
August 13	67	54	0.06
August 14	71	52	0.00
August 15	78	53	0.02
August 16	68	53	0.02
August 17	57	44	0.10
August 18	73	40	0.00
August 19	78	41	0.00
August 20	80	51	0.00
August 21	83	45	0.00
August 22	79	46	0.01
August 23	77	44	0.00
August 24	90	45	0.00
August 25	85	49	0.00
August 26	74	49	0.33
August 27	74	52	0.02
August 28	73	42	0.00
August 29	79	51	0.00
August 30	82	47	0.00
August 31	79	51	0.00

September 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	50	0.00
September 2	95	46	0.00
September 3	86	52	0.02
September 4	91	52	0.02
September 5	79	58	0.21
September 6	82	59	0.10
September 7	88	55	0.00
September 8	72	47	0.01
September 9	82	40	0.00
September 10	70	52	0.22
September 11	53	46	0.30
September 12	48	41	0.21
September 13	62	41	0.00
September 14	71	41	0.00
September 15	68	42	0.00
September 16	60	42	0.00
September 17	58	29	0.00
September 18	49	39	0.01
September 19	55	35	0.01
September 20	62	29	0.00
September 21	70	32	0.00
September 22	73	35	0.00
September 23	76	40	0.00
September 24	78	40	0.00
September 25	81	43	0.00
September 26	84	48	0.00
September 27	81	45	0.00
September 28	61	51	0.00
September 29	70	43	0.00
September 30	75	37	0.00

October 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	62	43	0.00
October 2	62	33	0.00
October 3	63	30	0.00
October 4	61	33	0.00
October 5	63	30	0.00
October 6	67	30	0.00
October 7	74	32	0.00
October 8	72	41	0.00
October 9	74	35	0.00
October 10	70	35	0.00
October 11	65	49	0.00
October 12	55	29	0.00
October 13	59	23	0.00
October 14	69	26	0.00
October 15	69	30	0.00
October 16	65	38	0.00
October 17	58	38	0.01
October 18	63	30	0.00
October 19	73	28	0.00
October 20	68	31	0.00
October 21	57	32	0.00
October 22	52	23	0.00
October 23	67	26	0.00
October 24	65	28	0.00
October 25	53	19	0.00
October 26	65	23	0.00
October 27	61	37	0.00
October 28	63	33	0.00
October 29	46	30	0.01
October 30	47	19	0.00
October 31	47	15	0.00

November 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	65	14	0.00	0.0
November 2	65	23	0.00	0.0
November 3	54	38	0.00	0.0
November 4	64	36	0.00	0.0
November 5	46	28	0.00	0.0
November 6	52	22	0.00	0.0
November 7	67	34	0.00	0.0
November 8	61	31	0.00	0.0
November 9	33	10	0.10	1.2
November 10	13	4	0.01	0.1
November 11	14	4	0.00	0.0
November 12	17	8	0.02	0.3
November 13	25	-1	0.14	1.1
November 14	19	-6	0.00	0.0
November 15	20	0	0.00	0.0
November 16	30	1	0.00	0.0
November 17	34	5	0.12	1.9
November 18	8	-3	0.31	10.4
November 19	3	-3	0.48	7.0
November 20	7	-4	0.01	0.1
November 21	6	-10	0.00	0.0
November 22	15	-3	0.00	0.0
November 23	38	-1	0.00	0.0
November 24	32	16	0.00	0.0
November 25	29	20	0.00	0.0
November 26	31	15	0.00	0.0
November 27	30	8	0.00	0.0
November 28	41	25	0.00	0.0
November 29	40	27	0.00	0.0
November 30	39	25	0.00	0.0

December 1978 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	31	7	0.45	9.5
December 2	8	-10	0.00	0.0
December 3	49	-9	0.00	0.0
December 4	49	22	0.07	0.7
December 5	26	16	0.00	0.0
December 6	21	3	0.01	0.5
December 7	10	-6	0.01	0.1
December 8	22	-10	0.00	0.0
December 9	33	19	0.00	0.0
December 10	33	19	0.00	0.0
December 11	42	15	0.00	0.0
December 12	32	13	0.00	0.0
December 13	17	-1	0.00	0.0
December 14	35	7	0.08	0.8
December 15	34	19	0.02	0.2
December 16	26	4	0.00	0.0
December 17	26	1	0.00	0.0
December 18	24	6	0.00	0.0
December 19	28	12	0.00	0.0
December 20	32	22	0.00	0.0
December 21	40	26	0.01	0.1
December 22	39	23	0.00	0.0
December 23	36	22	0.00	0.0
December 24	41	24	0.01	0.1
December 25	28	10	0.00	0.0
December 26	20	7	0.00	0.0
December 27	19	4	0.08	1.5
December 28	5	-11	0.02	0.3
December 29	-11	-26	0.00	0.0
December 30	-14	-31	0.00	0.0
December 31	-11	-23	0.00	0.0

Next Year >

Weather Station Details

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