Great Falls Weather in 2020

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

Jump to Month:

Year:

2020 Great Falls Weather Extremes
Highest temperature	99 °F	August 17
Lowest temperature	-18 °F	January 15
Highest daily low	61 °F	July 23
Lowest daily high	-5 °F	January 14
Most daily precipitation	2.1 inches	June 29
Most daily snow	8.2 inches	October 18
Total annual precipitation	14.4 inches	-
Total annual snow	82.2 inches	-

What was the hottest temperature in Great Falls in 2020?

The highest temperature recorded in Great Falls, Montana in 2020 was 99 °F which happened on August 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 2020

Rank	Temperature	Date
1	99 °F	Aug 17
2	97 °F	Sep 5
3	96 °F	Aug 16
4	95 °F	Jul 29
5	94 °F	Aug 24
5	94 °F	Aug 2
5	94 °F	Aug 1
5	94 °F	Jul 28
9	93 °F	Aug 23
9	93 °F	Aug 6
9	93 °F	Aug 5
9	93 °F	Jul 31
9	93 °F	Jul 30
9	93 °F	Jul 22

What was the coldest temperature in Great Falls in 2020?

The lowest temperature recorded in Great Falls, Montana in 2020 was -18 °F which happened on Jan 15.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 2020

Rank	Temperature	Date
1	-18 °F	January 15
2	-12 °F	March 15
2	-12 °F	March 14
2	-12 °F	January 14
2	-12 °F	January 13
6	-11 °F	January 17
7	-10 °F	January 18
7	-10 °F	January 16
9	-6 °F	March 16
10	-5 °F	January 12

January 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	47	30	0.00	0.0
January 2	43	19	0.00	0.0
January 3	47	25	0.00	0.0
January 4	50	26	0.00	0.0
January 5	37	26	0.00	0.0
January 6	40	21	0.00	0.0
January 7	49	29	0.00	0.0
January 8	44	12	0.00	0.0
January 9	14	6	0.03	0.6
January 10	31	-4	0.00	0.0
January 11	41	29	0.00	0.0
January 12	32	-5	0.01	0.1
January 13	-2	-12	0.01	0.4
January 14	-5	-12	0.01	0.2
January 15	18	-18	0.00	0.0
January 16	3	-10	0.00	0.0
January 17	4	-11	0.00	0.0
January 18	23	-10	0.00	0.0
January 19	45	21	0.00	0.0
January 20	51	32	0.00	0.0
January 21	52	33	0.01	0.0
January 22	46	24	0.00	0.0
January 23	49	24	0.00	0.0
January 24	53	36	0.00	0.0
January 25	49	23	0.00	0.0
January 26	50	24	0.00	0.0
January 27	49	28	0.00	0.0
January 28	50	25	0.00	0.0
January 29	48	22	0.00	0.0
January 30	48	27	0.00	0.0
January 31	52	40	0.00	0.0

February 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	64	32	0.00	0.0
February 2	35	10	0.00	0.0
February 3	33	6	0.00	0.0
February 4	33	6	0.01	0.3
February 5	46	20	0.00	0.0
February 6	41	18	0.01	0.0
February 7	35	16	0.02	0.5
February 8	39	19	0.04	0.7
February 9	36	11	0.02	0.2
February 10	32	20	0.00	0.2
February 11	43	22	0.01	0.2
February 12	30	9	0.08	1.7
February 13	46	3	0.00	0.0
February 14	42	21	0.00	0.0
February 15	43	22	0.00	0.0
February 16	45	26	0.01	0.0
February 17	39	15	0.00	0.1
February 18	20	6	0.01	0.3
February 19	35	2	0.00	0.0
February 20	47	21	0.00	0.0
February 21	50	29	0.00	0.0
February 22	54	28	0.00	0.0
February 23	53	20	0.00	0.0
February 24	33	12	0.20	2.1
February 25	34	18	0.00	0.0
February 26	48	26	0.00	0.0
February 27	51	27	0.00	0.0
February 28	58	33	0.00	0.0
February 29	49	26	0.00	0.0

March 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	41	25	0.01	0.0
March 2	50	29	0.00	0.0
March 3	55	37	0.00	0.0
March 4	47	19	0.01	0.0
March 5	57	18	0.00	0.0
March 6	70	39	0.00	0.0
March 7	44	20	0.07	1.3
March 8	44	15	0.00	0.0
March 9	47	25	0.00	0.0
March 10	49	18	0.00	0.0
March 11	54	24	0.17	2.7
March 12	35	15	0.00	0.0
March 13	28	16	0.20	4.4
March 14	17	-12	0.22	7.1
March 15	7	-12	0.00	0.0
March 16	29	-6	0.00	0.0
March 17	36	12	0.00	0.0
March 18	29	17	0.01	0.3
March 19	26	18	0.02	0.4
March 20	43	9	0.00	0.0
March 21	52	21	0.00	0.0
March 22	48	21	0.05	1.0
March 23	57	33	0.00	0.0
March 24	46	25	0.00	0.0
March 25	44	18	0.01	0.2
March 26	46	21	0.00	0.0
March 27	49	26	0.00	0.0
March 28	55	29	0.00	0.0
March 29	59	31	0.00	0.0
March 30	60	30	0.00	0.0
March 31	48	15	0.12	3.9

April 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	15	7	0.06	2.4
April 2	19	8	0.00	0.0
April 3	44	4	0.00	0.0
April 4	40	21	0.00	0.1
April 5	51	19	0.00	0.0
April 6	60	24	0.00	0.0
April 7	60	28	0.00	0.0
April 8	45	26	0.00	0.0
April 9	64	20	0.00	0.0
April 10	64	32	0.03	0.0
April 11	32	18	0.34	5.4
April 12	26	-3	0.00	0.0
April 13	29	4	0.00	0.0
April 14	47	25	0.00	0.0
April 15	38	24	0.01	0.6
April 16	42	17	0.00	0.0
April 17	60	28	0.00	0.0
April 18	44	34	0.13	0.0
April 19	60	26	0.00	0.0
April 20	65	32	0.00	0.0
April 21	69	35	0.00	0.0
April 22	64	38	0.00	0.0
April 23	58	38	0.02	0.0
April 24	61	33	0.01	0.0
April 25	63	32	0.00	0.0
April 26	66	45	0.00	0.0
April 27	66	37	0.00	0.0
April 28	66	30	0.00	0.0
April 29	81	49	0.00	0.0
April 30	72	47	0.13	0.0

May 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	62	34	0.00	0.0
May 2	68	28	0.00	0.0
May 3	61	29	0.00	0.0
May 4	59	29	0.00	0.0
May 5	63	26	0.00	0.0
May 6	69	37	0.76	0.0
May 7	58	36	0.47	0.0
May 8	57	33	0.36	0.0
May 9	58	32	0.00	0.0
May 10	52	34	0.00	0.0
May 11	47	35	0.00	0.0
May 12	40	32	0.47	1.5
May 13	59	33	0.00	0.0
May 14	65	35	0.00	0.0
May 15	62	35	0.00	0.0
May 16	69	38	0.00	0.0
May 17	76	51	0.00	0.0
May 18	70	48	0.21	0.0
May 19	68	47	0.42	0.0
May 20	62	48	0.15	0.0
May 21	60	44	0.49	0.0
May 22	60	35	0.00	0.0
May 23	61	32	0.00	0.0
May 24	66	41	0.00	0.0
May 25	70	41	0.01	0.0
May 26	73	45	0.00	0.0
May 27	72	37	0.00	0.0
May 28	73	40	0.00	0.0
May 29	76	51	0.00	0.0
May 30	84	47	0.00	0.0
May 31	78	50	0.00	0.0

June 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	74	46	0.00
June 2	76	41	0.00
June 3	76	52	0.00
June 4	72	48	0.00
June 5	79	43	0.00
June 6	73	48	0.52
June 7	67	47	0.22
June 8	56	41	0.31
June 9	63	39	0.00
June 10	73	45	0.00
June 11	80	43	0.00
June 12	89	56	0.00
June 13	85	49	0.00
June 14	66	40	0.00
June 15	71	43	0.01
June 16	59	46	0.03
June 17	61	49	0.39
June 18	61	47	0.25
June 19	71	49	0.08
June 20	77	48	0.04
June 21	78	54	0.00
June 22	79	49	0.00
June 23	86	52	0.00
June 24	87	53	0.09
June 25	78	53	0.04
June 26	86	51	0.00
June 27	82	56	0.02
June 28	63	46	0.68
June 29	53	49	2.05
June 30	66	43	0.00

July 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	70	46	0.00
July 2	75	48	0.00
July 3	83	44	0.13
July 4	80	50	0.00
July 5	78	46	0.00
July 6	81	48	0.00
July 7	75	54	0.03
July 8	75	50	0.00
July 9	81	41	0.00
July 10	77	47	0.20
July 11	85	46	0.00
July 12	80	51	0.00
July 13	75	43	0.00
July 14	78	43	0.00
July 15	82	49	0.00
July 16	87	51	0.00
July 17	78	58	0.00
July 18	81	50	0.00
July 19	84	48	0.00
July 20	78	54	0.00
July 21	89	49	0.00
July 22	93	50	0.00
July 23	87	61	0.24
July 24	85	58	0.00
July 25	81	51	0.00
July 26	84	43	0.00
July 27	89	47	0.00
July 28	94	58	0.00
July 29	95	59	0.00
July 30	93	58	0.00
July 31	93	55	0.00

August 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	94	59	0.00
August 2	94	57	0.00
August 3	89	60	0.00
August 4	85	50	0.00
August 5	93	53	0.00
August 6	93	58	0.00
August 7	76	50	0.05
August 8	83	44	0.00
August 9	79	47	0.00
August 10	87	46	0.00
August 11	90	49	0.00
August 12	84	51	0.00
August 13	74	43	0.00
August 14	81	45	0.00
August 15	89	47	0.00
August 16	96	51	0.00
August 17	99	54	0.00
August 18	92	57	0.00
August 19	87	57	0.00
August 20	91	57	0.05
August 21	91	48	0.00
August 22	90	54	0.00
August 23	93	50	0.00
August 24	94	53	0.00
August 25	87	54	0.00
August 26	87	56	0.00
August 27	84	48	0.00
August 28	86	43	0.00
August 29	90	54	0.00
August 30	65	43	0.00
August 31	68	45	0.00

September 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	52	0.00
September 2	85	43	0.00
September 3	87	40	0.00
September 4	91	50	0.00
September 5	97	52	0.00
September 6	77	45	0.00
September 7	49	36	0.49
September 8	56	28	0.00
September 9	71	40	0.00
September 10	80	39	0.00
September 11	85	43	0.00
September 12	88	48	0.00
September 13	69	40	0.00
September 14	83	50	0.00
September 15	80	42	0.00
September 16	70	37	0.00
September 17	75	40	0.00
September 18	77	40	0.00
September 19	69	53	0.00
September 20	73	43	0.00
September 21	78	42	0.00
September 22	75	40	0.00
September 23	79	39	0.00
September 24	70	51	0.00
September 25	62	47	0.00
September 26	63	41	0.00
September 27	63	35	0.00
September 28	74	38	0.00
September 29	84	45	0.00
September 30	65	38	0.00

October 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	74	34	0.00	0.0
October 2	71	42	0.00	0.0
October 3	75	36	0.00	0.0
October 4	83	50	0.00	0.0
October 5	77	41	0.00	0.0
October 6	82	48	0.00	0.0
October 7	75	35	0.00	0.0
October 8	79	44	0.00	0.0
October 9	74	46	0.00	0.0
October 10	81	49	0.00	0.0
October 11	57	41	0.00	0.0
October 12	61	33	0.00	0.0
October 13	56	32	0.00	0.0
October 14	46	26	0.01	0.0
October 15	51	23	0.00	0.0
October 16	58	29	0.12	0.9
October 17	29	19	0.22	4.2
October 18	22	18	0.69	8.2
October 19	36	20	0.18	0.5
October 20	38	24	0.05	0.0
October 21	33	22	0.04	1.8
October 22	22	5	0.04	1.1
October 23	19	3	0.40	4.0
October 24	15	2	0.29	7.0
October 25	14	0	0.00	0.3
October 26	28	13	0.00	0.0
October 27	44	27	0.00	0.0
October 28	48	37	0.00	0.0
October 29	62	36	0.00	0.0
October 30	68	36	0.00	0.0
October 31	52	26	0.00	0.0

November 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	65	37	0.00	0.0
November 2	70	43	0.00	0.0
November 3	71	50	0.00	0.0
November 4	67	54	0.00	0.0
November 5	72	49	0.00	0.0
November 6	50	38	0.00	0.0
November 7	42	20	0.50	4.5
November 8	20	13	0.31	8.0
November 9	23	14	0.06	0.9
November 10	34	21	0.00	0.0
November 11	27	7	0.00	0.2
November 12	31	9	0.00	0.0
November 13	40	28	0.00	0.0
November 14	35	20	0.00	0.0
November 15	43	25	0.00	0.0
November 16	43	31	0.00	0.0
November 17	62	34	0.00	0.0
November 18	54	37	0.00	0.0
November 19	47	28	0.00	0.0
November 20	44	25	0.00	0.0
November 21	45	23	0.00	0.0
November 22	48	24	0.00	0.0
November 23	47	23	0.00	0.0
November 24	45	25	0.00	0.0
November 25	47	23	0.06	0.6
November 26	42	23	0.00	0.0
November 27	47	33	0.00	0.0
November 28	49	15	0.00	0.0
November 29	46	16	0.00	0.0
November 30	53	32	0.00	0.0

December 2020 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	19	0.00	0.0
December 2	44	20	0.00	0.0
December 3	52	33	0.00	0.0
December 4	57	29	0.00	0.0
December 5	54	29	0.00	0.0
December 6	56	32	0.00	0.0
December 7	55	35	0.00	0.0
December 8	63	51	0.00	0.0
December 9	59	32	0.00	0.0
December 10	41	22	0.00	0.0
December 11	26	22	0.09	0.9
December 12	23	14	0.00	0.2
December 13	20	9	0.00	0.0
December 14	30	1	0.00	0.0
December 15	36	20	0.00	0.0
December 16	43	27	0.00	0.0
December 17	47	31	0.00	0.0
December 18	44	25	0.00	0.0
December 19	49	33	0.00	0.0
December 20	52	32	0.00	0.0
December 21	43	26	0.01	0.0
December 22	45	18	0.00	0.0
December 23	34	11	0.00	0.0
December 24	49	28	0.00	0.0
December 25	47	36	0.00	0.0
December 26	49	23	0.00	0.0
December 27	30	12	0.00	0.0
December 28	41	11	0.00	0.0
December 29	34	14	0.00	0.0
December 30	41	25	0.00	0.0
December 31	44	29	0.00	0.0

Next Year >

Weather Station Details

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