Great Falls Weather in 1977

Historical record of Great Falls, Montana weather for the year 1977 based on NOAA data.

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1977 Great Falls Weather Extremes
Highest temperature	95 °F	July 16
Lowest temperature	-27 °F	December 8
Highest daily low	71 °F	July 23
Lowest daily high	-19 °F	December 8
Most daily precipitation	1.3 inches	July 10
Most daily snow	10.5 inches	March 29
Total annual precipitation	14.9 inches	-
Total annual snow	66.5 inches	-

What was the hottest temperature in Great Falls in 1977?

The highest temperature recorded in Great Falls, Montana in 1977 was 95 °F which happened on July 16.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 1977

Rank	Temperature	Date
1	95 °F	Jul 16
2	94 °F	Jul 21
2	94 °F	Jun 1
4	93 °F	Jul 28
4	93 °F	Jun 25
4	93 °F	Jun 6
7	92 °F	Jul 23
7	92 °F	Jul 22
7	92 °F	Jun 24
10	91 °F	Aug 1
10	91 °F	Jul 1

What was the coldest temperature in Great Falls in 1977?

The lowest temperature recorded in Great Falls, Montana in 1977 was -27 °F which happened on Dec 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 1977

Rank	Temperature	Date
1	-27 °F	December 8
2	-26 °F	December 9
3	-24 °F	December 7
4	-19 °F	December 31
4	-19 °F	January 2
6	-18 °F	December 10
7	-17 °F	November 20
8	-16 °F	November 21
8	-16 °F	January 1
10	-13 °F	December 5
10	-13 °F	January 5

January 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	5	-16	0.03	0.3
January 2	22	-19	0.00	0.0
January 3	12	3	0.23	3.3
January 4	8	-5	0.12	1.1
January 5	21	-13	0.00	0.0
January 6	31	21	0.16	1.6
January 7	32	0	0.08	0.8
January 8	11	-6	0.00	0.0
January 9	11	3	0.01	0.4
January 10	19	6	0.16	2.5
January 11	30	2	0.01	0.1
January 12	35	16	0.00	0.0
January 13	36	11	0.00	0.0
January 14	27	-1	0.18	3.1
January 15	26	-8	0.00	0.0
January 16	40	24	0.00	0.0
January 17	45	37	0.00	0.0
January 18	53	31	0.04	0.7
January 19	43	26	0.00	0.0
January 20	47	27	0.00	0.0
January 21	49	30	0.00	0.0
January 22	43	23	0.00	0.0
January 23	39	24	0.00	0.0
January 24	35	22	0.00	0.0
January 25	39	23	0.00	0.0
January 26	38	27	0.00	0.0
January 27	42	5	0.01	0.0
January 28	20	3	0.00	0.0
January 29	34	15	0.01	0.0
January 30	45	13	0.00	0.0
January 31	48	28	0.00	0.0

February 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	44	21	0.00	0.0
February 2	46	19	0.00	0.0
February 3	52	28	0.00	0.0
February 4	48	22	0.00	0.0
February 5	47	26	0.00	0.0
February 6	50	20	0.00	0.0
February 7	52	33	0.00	0.0
February 8	57	36	0.00	0.0
February 9	55	33	0.00	0.0
February 10	51	30	0.00	0.0
February 11	53	35	0.00	0.0
February 12	58	41	0.01	0.0
February 13	51	29	0.04	0.1
February 14	48	24	0.00	0.0
February 15	54	30	0.00	0.0
February 16	61	29	0.00	0.0
February 17	55	36	0.00	0.0
February 18	45	29	0.00	0.0
February 19	60	24	0.00	0.0
February 20	66	30	0.00	0.0
February 21	59	40	0.00	0.0
February 22	49	32	0.00	0.0
February 23	47	27	0.00	0.0
February 24	33	21	0.12	1.5
February 25	39	22	0.00	0.0
February 26	38	26	0.02	0.2
February 27	46	23	0.00	0.0
February 28	45	22	0.00	0.0

March 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	42	26	0.00	0.0
March 2	39	20	0.08	2.0
March 3	40	16	0.00	0.0
March 4	45	23	0.00	0.0
March 5	49	26	0.00	0.0
March 6	58	38	0.00	0.0
March 7	57	39	0.00	0.0
March 8	48	36	0.00	0.0
March 9	55	33	0.00	0.0
March 10	50	25	0.00	0.0
March 11	49	20	0.00	0.0
March 12	58	31	0.00	0.0
March 13	37	22	0.22	2.5
March 14	36	14	0.00	0.0
March 15	42	21	0.00	0.0
March 16	49	23	0.00	0.0
March 17	39	25	0.02	0.0
March 18	36	23	0.05	0.4
March 19	27	7	0.03	0.4
March 20	40	4	0.00	0.0
March 21	46	24	0.00	0.0
March 22	59	32	0.00	0.0
March 23	66	37	0.00	0.0
March 24	49	26	0.05	0.0
March 25	48	18	0.00	0.0
March 26	48	30	0.00	0.0
March 27	47	27	0.03	0.3
March 28	29	18	0.36	5.4
March 29	21	14	1.06	10.5
March 30	34	7	0.00	0.0
March 31	38	23	0.00	0.0

April 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	31	17	0.09	0.8
April 2	27	7	0.02	0.2
April 3	40	10	0.01	0.0
April 4	55	35	0.00	0.0
April 5	65	31	0.00	0.0
April 6	67	39	0.00	0.0
April 7	73	37	0.00	0.0
April 8	77	44	0.00	0.0
April 9	58	39	0.00	0.0
April 10	55	35	0.00	0.0
April 11	56	35	0.00	0.0
April 12	60	28	0.00	0.0
April 13	66	43	0.00	0.0
April 14	52	32	0.12	0.0
April 15	66	30	0.00	0.0
April 16	74	31	0.00	0.0
April 17	50	29	0.00	0.0
April 18	55	23	0.00	0.0
April 19	45	26	0.00	0.0
April 20	42	29	0.02	0.0
April 21	60	31	0.00	0.0
April 22	70	38	0.00	0.0
April 23	76	36	0.00	0.0
April 24	76	41	0.00	0.0
April 25	79	36	0.00	0.0
April 26	76	49	0.00	0.0
April 27	67	38	0.00	0.0
April 28	74	29	0.00	0.0
April 29	77	39	0.00	0.0
April 30	76	45	0.00	0.0

May 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	71	42	0.00	0.0
May 2	72	45	0.00	0.0
May 3	68	42	0.00	0.0
May 4	56	35	0.00	0.0
May 5	54	31	0.00	0.0
May 6	59	29	0.00	0.0
May 7	68	39	0.00	0.0
May 8	72	46	0.02	0.0
May 9	80	44	0.00	0.0
May 10	63	44	0.14	0.0
May 11	65	44	0.01	0.0
May 12	79	33	0.00	0.0
May 13	79	40	0.00	0.0
May 14	66	43	0.39	0.0
May 15	53	39	0.28	0.0
May 16	46	36	0.03	0.0
May 17	38	28	0.47	2.1
May 18	43	27	0.13	0.0
May 19	52	34	0.11	0.0
May 20	64	40	0.00	0.0
May 21	67	43	0.00	0.0
May 22	68	40	0.00	0.0
May 23	73	48	0.17	0.0
May 24	65	43	0.02	0.0
May 25	55	45	0.10	0.0
May 26	66	43	0.12	0.0
May 27	57	37	0.12	0.0
May 28	56	33	0.00	0.0
May 29	59	36	0.00	0.0
May 30	69	36	0.00	0.0
May 31	80	49	0.00	0.0

June 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	94	53	0.03
June 2	71	49	0.00
June 3	80	49	0.00
June 4	85	49	0.00
June 5	85	48	0.00
June 6	93	53	0.00
June 7	90	61	0.05
June 8	86	60	0.00
June 9	80	52	0.00
June 10	59	50	0.00
June 11	57	47	0.08
June 12	69	49	0.00
June 13	77	47	0.31
June 14	71	53	0.01
June 15	74	50	0.03
June 16	71	48	0.02
June 17	77	35	0.00
June 18	80	44	0.00
June 19	83	47	0.00
June 20	82	58	0.01
June 21	82	56	0.00
June 22	83	54	0.00
June 23	86	49	0.00
June 24	92	49	0.00
June 25	93	59	0.00
June 26	90	56	0.00
June 27	83	54	0.00
June 28	80	49	0.00
June 29	67	49	0.00
June 30	83	41	0.00

July 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	91	51	0.00
July 2	82	52	0.00
July 3	80	46	0.00
July 4	76	49	0.00
July 5	79	47	0.00
July 6	71	49	0.06
July 7	74	45	0.00
July 8	84	50	0.00
July 9	82	54	0.01
July 10	69	48	1.25
July 11	78	45	0.00
July 12	87	53	0.16
July 13	66	45	0.19
July 14	77	46	0.00
July 15	90	51	0.00
July 16	95	53	0.00
July 17	86	66	0.00
July 18	83	58	0.01
July 19	80	57	0.11
July 20	83	54	0.00
July 21	94	62	0.00
July 22	92	65	0.00
July 23	92	71	0.00
July 24	86	61	0.00
July 25	73	56	0.06
July 26	83	52	0.01
July 27	86	54	0.00
July 28	93	51	0.01
July 29	81	57	0.00
July 30	84	53	0.00
July 31	88	51	0.00

August 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	91	55	0.00
August 2	87	55	0.00
August 3	79	55	0.10
August 4	60	51	0.16
August 5	71	52	0.00
August 6	73	52	0.12
August 7	80	50	0.00
August 8	88	50	0.00
August 9	65	49	0.16
August 10	72	44	0.00
August 11	85	40	0.00
August 12	82	49	0.00
August 13	63	54	0.46
August 14	61	49	0.37
August 15	65	49	0.07
August 16	75	49	0.00
August 17	86	48	0.00
August 18	90	52	0.00
August 19	86	53	0.00
August 20	76	51	0.00
August 21	83	48	0.02
August 22	78	54	0.00
August 23	84	51	0.00
August 24	90	58	0.00
August 25	73	49	0.00
August 26	70	49	0.04
August 27	64	43	0.15
August 28	72	41	0.00
August 29	70	53	0.00
August 30	55	45	0.29
August 31	65	37	0.00

September 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	67	42	0.00
September 2	73	38	0.00
September 3	81	54	0.00
September 4	88	57	0.00
September 5	80	59	0.03
September 6	81	45	0.00
September 7	90	47	0.00
September 8	64	45	0.36
September 9	73	43	0.00
September 10	72	40	0.00
September 11	67	37	0.00
September 12	75	39	0.00
September 13	84	42	0.00
September 14	86	43	0.00
September 15	65	46	0.08
September 16	54	46	0.09
September 17	58	42	0.27
September 18	69	38	0.00
September 19	75	51	0.00
September 20	69	49	0.00
September 21	65	43	0.00
September 22	61	40	0.00
September 23	63	38	0.00
September 24	56	40	0.06
September 25	63	36	0.00
September 26	64	32	0.00
September 27	68	37	0.00
September 28	51	43	0.14
September 29	56	45	0.27
September 30	47	42	0.92

October 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	53	40	0.11	0.0
October 2	61	38	0.00	0.0
October 3	43	33	0.02	0.0
October 4	43	28	0.00	0.0
October 5	49	26	0.00	0.0
October 6	55	27	0.00	0.0
October 7	54	38	0.01	0.0
October 8	57	35	0.00	0.0
October 9	49	30	0.37	3.2
October 10	45	20	0.00	0.0
October 11	59	29	0.00	0.0
October 12	70	44	0.00	0.0
October 13	60	40	0.00	0.0
October 14	54	34	0.00	0.0
October 15	75	40	0.00	0.0
October 16	72	40	0.00	0.0
October 17	68	38	0.00	0.0
October 18	78	49	0.00	0.0
October 19	72	47	0.00	0.0
October 20	57	34	0.00	0.0
October 21	63	29	0.00	0.0
October 22	67	36	0.00	0.0
October 23	71	47	0.00	0.0
October 24	62	47	0.00	0.0
October 25	64	48	0.00	0.0
October 26	54	28	0.00	0.0
October 27	63	27	0.00	0.0
October 28	69	35	0.00	0.0
October 29	61	39	0.00	0.0
October 30	55	36	0.00	0.0
October 31	50	28	0.00	0.0

November 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	54	28	0.00	0.0
November 2	54	29	0.00	0.0
November 3	46	28	0.00	0.0
November 4	56	26	0.00	0.0
November 5	50	26	0.01	0.0
November 6	50	34	0.00	0.0
November 7	51	26	0.01	0.1
November 8	40	18	0.00	0.0
November 9	44	19	0.00	0.0
November 10	56	41	0.00	0.0
November 11	67	42	0.00	0.0
November 12	56	34	0.00	0.0
November 13	60	38	0.00	0.0
November 14	54	32	0.00	0.0
November 15	47	29	0.01	0.0
November 16	43	26	0.00	0.0
November 17	38	18	0.00	0.0
November 18	25	9	0.14	2.4
November 19	9	-1	0.07	0.7
November 20	-1	-17	0.02	0.2
November 21	16	-16	0.00	0.0
November 22	4	-6	0.09	1.0
November 23	1	-9	0.01	0.1
November 24	35	-7	0.01	0.1
November 25	49	18	0.03	0.0
November 26	47	25	0.03	0.2
November 27	44	25	0.00	0.0
November 28	47	35	0.00	0.0
November 29	51	34	0.00	0.0
November 30	43	29	0.00	0.0

December 1977 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	39	19	0.02	0.1
December 2	40	30	0.27	0.0
December 3	49	14	0.00	0.0
December 4	15	-6	0.06	0.6
December 5	-4	-13	0.04	0.4
December 6	-3	-10	0.15	2.9
December 7	-6	-24	0.05	0.3
December 8	-19	-27	0.00	0.0
December 9	-17	-26	0.02	0.2
December 10	46	-18	0.00	0.0
December 11	52	38	0.00	0.0
December 12	46	36	0.00	0.0
December 13	48	37	0.01	0.0
December 14	48	40	0.00	0.0
December 15	47	35	0.28	0.0
December 16	37	31	0.00	0.0
December 17	31	18	0.06	0.6
December 18	26	15	0.04	0.5
December 19	27	9	0.00	0.0
December 20	31	12	0.00	0.0
December 21	39	25	0.00	0.0
December 22	38	18	0.00	0.0
December 23	19	3	0.34	6.1
December 24	5	-11	0.01	0.1
December 25	32	-11	0.00	0.0
December 26	24	4	0.00	0.0
December 27	26	-2	0.00	0.0
December 28	33	16	0.00	0.0
December 29	23	12	0.30	3.0
December 30	13	-7	0.26	3.3
December 31	-2	-19	0.01	0.1

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Weather Station Details

Years	Station	Coordinates
1937–2024	Great Falls International Airport	location
1892–1937	Great Falls 16th Street	location