Helena Weather in 1987

Historical record of Helena, Montana weather for the year 1987 based on NOAA data.

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1987 Helena Weather Extremes
Highest temperature	97 °F	July 26
Lowest temperature	-12 °F	January 16
Highest daily low	62 °F	July 27
Lowest daily high	11 °F	December 31
Most daily precipitation	0.8 inches	July 17
Most daily snow	6.6 inches	March 19
Total annual precipitation	10.0 inches	-
Total annual snow	20.0 inches	-

What was the hottest temperature in Helena in 1987?

The highest temperature recorded in Helena, Montana in 1987 was 97 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1987

Rank	Temperature	Date
1	97 °F	Jul 26
1	97 °F	Jul 25
3	96 °F	Jun 14
4	95 °F	Jul 27
5	94 °F	Aug 4
5	94 °F	Jul 15
7	93 °F	Jul 1
8	92 °F	Sep 1
8	92 °F	Jul 30
8	92 °F	Jul 28

What was the coldest temperature in Helena in 1987?

The lowest temperature recorded in Helena, Montana in 1987 was -12 °F which happened on Jan 16.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1987

Rank	Temperature	Date
1	-12 °F	January 16
2	-10 °F	January 15
3	-5 °F	December 31
4	-3 °F	December 24
5	-2 °F	March 29
6	-1 °F	January 1
7	0 °F	January 10
7	0 °F	January 9
7	0 °F	January 8
10	1 °F	March 28

January 1987 Helena Weather

Day	High (°F)	Low (°F)	Snow (inches)
January 1	27	-1	0.0
January 2	42	18	0.0
January 3	47	20	0.0
January 4	41	26	0.0
January 5	37	15	0.0
January 6	32	11	0.0
January 7	27	5	0.0
January 8	24	0	0.0
January 9	25	0	0.0
January 10	30	0	0.0
January 11	38	16	0.0
January 12	42	11	0.0
January 13	38	22	0.0
January 14	25	4	0.2
January 15	13	-10	0.0
January 16	13	-12	0.0
January 17	22	6	0.0
January 18	40	12	0.0
January 19	30	8	0.0
January 20	36	6	0.0
January 21	38	13	0.0
January 22	28	9	0.0
January 23	28	9	0.0
January 24	39	11	0.0
January 25	43	27	0.0
January 26	46	23	0.0
January 27	50	28	0.0
January 28	40	23	0.0
January 29	48	24	0.0
January 30	39	19	0.0
January 31	44	25	0.0

February 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	54	30	0.00	0.0
February 2	35	23	0.00	0.0
February 3	46	22	0.00	0.0
February 4	48	26	0.00	0.0
February 5	52	22	0.00	0.0
February 6	53	21	0.00	0.0
February 7	55	21	0.00	0.0
February 8	53	17	0.00	0.0
February 9	47	19	0.00	0.0
February 10	53	26	0.00	0.0
February 11	54	21	0.00	0.0
February 12	53	20	0.00	0.0
February 13	42	22	0.01	0.0
February 14	48	26	0.00	0.0
February 15	43	19	0.00	0.0
February 16	46	21	0.00	0.0
February 17	46	30	0.00	0.0
February 18	41	25	0.00	0.0
February 19	40	19	0.00	0.0
February 20	40	14	0.00	0.0
February 21	43	16	0.00	0.0
February 22	38	25	0.01	0.1
February 23	28	22	0.01	0.1
February 24	29	16	0.00	0.0
February 25	22	10	0.00	0.0
February 26	32	2	0.00	0.0
February 27	42	5	0.00	0.0
February 28	45	16	0.00	0.0

March 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	53	18	0.00	0.0
March 2	59	26	0.00	0.0
March 3	67	39	0.00	0.0
March 4	71	35	0.00	0.0
March 5	73	37	0.00	0.0
March 6	65	42	0.00	0.0
March 7	55	34	0.00	0.0
March 8	38	27	0.00	0.0
March 9	48	22	0.00	0.0
March 10	48	28	0.00	0.0
March 11	56	28	0.00	0.0
March 12	61	25	0.00	0.0
March 13	55	38	0.25	0.0
March 14	52	28	0.00	0.0
March 15	55	23	0.00	0.0
March 16	44	26	0.02	0.0
March 17	56	22	0.07	0.0
March 18	44	33	0.18	0.3
March 19	35	21	0.46	6.6
March 20	42	14	0.00	0.0
March 21	33	24	0.02	0.2
March 22	33	21	0.10	1.0
March 23	42	18	0.00	0.0
March 24	47	23	0.00	0.0
March 25	52	19	0.00	0.0
March 26	40	28	0.06	0.7
March 27	36	13	0.00	0.0
March 28	18	1	0.03	0.3
March 29	33	-2	0.00	0.0
March 30	59	17	0.00	0.0
March 31	65	31	0.00	0.0

April 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	50	26	0.00	0.0
April 2	60	20	0.00	0.0
April 3	72	25	0.00	0.0
April 4	75	30	0.00	0.0
April 5	69	39	0.00	0.0
April 6	65	39	0.00	0.0
April 7	66	28	0.00	0.0
April 8	53	30	0.01	0.0
April 9	52	36	0.00	0.0
April 10	64	25	0.00	0.0
April 11	49	35	0.00	0.0
April 12	51	30	0.00	0.0
April 13	64	21	0.00	0.0
April 14	72	33	0.00	0.0
April 15	72	35	0.00	0.0
April 16	76	39	0.00	0.0
April 17	65	44	0.00	0.0
April 18	56	32	0.36	2.9
April 19	44	28	0.23	1.4
April 20	56	25	0.00	0.0
April 21	71	31	0.00	0.0
April 22	61	36	0.00	0.0
April 23	71	42	0.15	0.0
April 24	73	38	0.00	0.0
April 25	75	41	0.00	0.0
April 26	74	42	0.00	0.0
April 27	83	41	0.00	0.0
April 28	80	44	0.00	0.0
April 29	79	49	0.01	0.0
April 30	83	46	0.00	0.0

May 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	70	44	0.07	0.0
May 2	57	40	0.00	0.0
May 3	65	33	0.00	0.0
May 4	77	35	0.00	0.0
May 5	80	41	0.00	0.0
May 6	84	44	0.00	0.0
May 7	86	45	0.00	0.0
May 8	85	46	0.02	0.0
May 9	84	45	0.00	0.0
May 10	81	46	0.00	0.0
May 11	81	40	0.00	0.0
May 12	84	43	0.02	0.0
May 13	75	47	0.00	0.0
May 14	84	42	0.00	0.0
May 15	84	47	0.05	0.0
May 16	57	45	0.19	0.0
May 17	54	45	0.03	0.0
May 18	64	41	0.00	0.0
May 19	62	35	0.35	0.0
May 20	37	30	0.11	1.1
May 21	49	32	0.26	2.7
May 22	61	35	0.13	0.0
May 23	67	35	0.01	0.0
May 24	72	40	0.05	0.0
May 25	61	50	0.02	0.0
May 26	63	50	0.12	0.0
May 27	57	49	0.37	0.0
May 28	69	51	0.00	0.0
May 29	73	42	0.00	0.0
May 30	76	43	0.00	0.0
May 31	61	45	0.10	0.0

June 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	55	40	0.01
June 2	62	41	0.00
June 3	75	31	0.00
June 4	87	43	0.00
June 5	86	49	0.13
June 6	84	52	0.00
June 7	78	55	0.03
June 8	82	57	0.28
June 9	75	58	0.00
June 10	79	58	0.00
June 11	83	44	0.00
June 12	84	50	0.00
June 13	90	53	0.00
June 14	96	53	0.00
June 15	85	60	0.09
June 16	75	53	0.00
June 17	79	46	0.22
June 18	76	49	0.68
June 19	69	43	0.00
June 20	82	48	0.00
June 21	82	53	0.06
June 22	67	51	0.00
June 23	70	42	0.00
June 24	76	46	0.00
June 25	83	47	0.00
June 26	90	48	0.00
June 27	90	52	0.00
June 28	76	58	0.00
June 29	81	47	0.00
June 30	90	50	0.00

July 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	93	54	0.00
July 2	87	56	0.27
July 3	83	52	0.00
July 4	85	50	0.00
July 5	73	54	0.00
July 6	72	47	0.00
July 7	78	49	0.00
July 8	77	51	0.05
July 9	72	49	0.30
July 10	53	49	0.44
July 11	64	48	0.00
July 12	75	42	0.00
July 13	84	48	0.00
July 14	91	53	0.00
July 15	94	52	0.00
July 16	78	56	0.00
July 17	62	49	0.82
July 18	58	49	0.67
July 19	76	42	0.06
July 20	77	44	0.00
July 21	71	57	0.04
July 22	78	55	0.03
July 23	75	48	0.18
July 24	89	52	0.00
July 25	97	55	0.00
July 26	97	59	0.00
July 27	95	62	0.00
July 28	92	56	0.00
July 29	85	60	0.00
July 30	92	57	0.00
July 31	90	57	0.02

August 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	51	0.00
August 2	81	46	0.00
August 3	78	49	0.00
August 4	94	48	0.00
August 5	85	57	0.00
August 6	81	51	0.05
August 7	83	47	0.00
August 8	88	50	0.00
August 9	90	58	0.00
August 10	89	52	0.01
August 11	62	47	0.00
August 12	73	41	0.00
August 13	73	46	0.19
August 14	70	52	0.01
August 15	70	50	0.01
August 16	70	46	0.00
August 17	71	43	0.00
August 18	76	41	0.00
August 19	82	42	0.00
August 20	89	46	0.00
August 21	72	51	0.00
August 22	80	49	0.00
August 23	69	54	0.02
August 24	63	52	0.00
August 25	60	49	0.09
August 26	71	40	0.00
August 27	77	39	0.00
August 28	85	45	0.00
August 29	69	49	0.00
August 30	84	44	0.00
August 31	88	49	0.00

September 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	92	50	0.00
September 2	90	54	0.00
September 3	75	52	0.00
September 4	73	41	0.00
September 5	79	45	0.00
September 6	62	45	0.00
September 7	76	39	0.00
September 8	82	41	0.00
September 9	83	42	0.00
September 10	78	46	0.00
September 11	79	43	0.00
September 12	85	43	0.00
September 13	86	45	0.00
September 14	85	47	0.00
September 15	74	45	0.80
September 16	60	44	0.00
September 17	62	34	0.00
September 18	72	36	0.00
September 19	77	40	0.00
September 20	81	39	0.00
September 21	83	39	0.00
September 22	84	38	0.00
September 23	86	42	0.00
September 24	79	48	0.00
September 25	79	43	0.00
September 26	66	50	0.00
September 27	64	43	0.00
September 28	68	34	0.00
September 29	73	34	0.00
September 30	83	35	0.00

October 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	79	42	0.00	0.0
October 2	79	37	0.00	0.0
October 3	84	39	0.00	0.0
October 4	72	45	0.00	0.0
October 5	72	36	0.00	0.0
October 6	68	37	0.00	0.0
October 7	77	35	0.00	0.0
October 8	53	35	0.00	0.0
October 9	42	20	0.00	0.0
October 10	54	15	0.00	0.0
October 11	65	22	0.00	0.0
October 12	56	25	0.00	0.0
October 13	63	32	0.00	0.0
October 14	64	25	0.00	0.0
October 15	54	30	0.05	0.3
October 16	56	21	0.00	0.0
October 17	59	24	0.00	0.0
October 18	55	38	0.00	0.0
October 19	50	27	0.00	0.0
October 20	56	20	0.00	0.0
October 21	69	27	0.00	0.0
October 22	58	25	0.00	0.0
October 23	56	24	0.00	0.0
October 24	60	20	0.00	0.0
October 25	67	48	0.00	0.0
October 26	64	38	0.00	0.0
October 27	60	32	0.00	0.0
October 28	72	31	0.00	0.0
October 29	69	30	0.00	0.0
October 30	61	28	0.00	0.0
October 31	64	33	0.00	0.0

November 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	60	43	0.02	0.0
November 2	53	36	0.01	0.0
November 3	58	35	0.00	0.0
November 4	60	32	0.00	0.0
November 5	56	22	0.00	0.0
November 6	48	22	0.00	0.0
November 7	56	24	0.00	0.0
November 8	53	20	0.00	0.0
November 9	53	20	0.00	0.0
November 10	58	22	0.00	0.0
November 11	56	25	0.00	0.0
November 12	53	32	0.00	0.0
November 13	50	30	0.00	0.0
November 14	46	29	0.00	0.0
November 15	42	17	0.00	0.0
November 16	39	17	0.09	0.9
November 17	32	15	0.00	0.0
November 18	33	11	0.00	0.0
November 19	49	24	0.00	0.0
November 20	49	19	0.00	0.0
November 21	46	16	0.00	0.0
November 22	45	22	0.00	0.0
November 23	42	21	0.00	0.0
November 24	41	18	0.00	0.0
November 25	41	32	0.00	0.0
November 26	41	18	0.00	0.0
November 27	39	12	0.00	0.0
November 28	39	15	0.00	0.0
November 29	36	12	0.00	0.0
November 30	38	8	0.00	0.0

December 1987 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	52	16	0.00	0.0
December 2	47	28	0.18	0.0
December 3	61	26	0.00	0.0
December 4	50	26	0.00	0.0
December 5	49	26	0.00	0.0
December 6	60	29	0.08	0.0
December 7	44	29	0.01	0.0
December 8	40	22	0.00	0.0
December 9	51	20	0.00	0.0
December 10	53	34	0.09	0.0
December 11	37	25	0.00	0.0
December 12	34	20	0.00	0.0
December 13	25	18	0.02	0.3
December 14	24	5	0.00	0.0
December 15	22	2	0.00	0.0
December 16	25	11	0.00	0.0
December 17	32	13	0.00	0.0
December 18	33	10	0.00	0.0
December 19	30	17	0.00	0.0
December 20	29	16	0.00	0.0
December 21	37	17	0.00	0.0
December 22	33	14	0.00	0.0
December 23	27	6	0.00	0.0
December 24	20	-3	0.00	0.0
December 25	27	11	0.00	0.1
December 26	25	4	0.00	0.0
December 27	23	3	0.00	0.0
December 28	26	2	0.00	0.0
December 29	31	5	0.02	0.5
December 30	21	4	0.02	0.3
December 31	11	-5	0.00	0.0

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Weather Station Details

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