Helena Weather in 1990

Historical record of Helena, Montana weather for the year 1990 based on NOAA data.

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1990 Helena Weather Extremes
Highest temperature	103 °F	August 6
Lowest temperature	-35 °F	December 22
Highest daily low	61 °F	August 16
Lowest daily high	-18 °F	December 20
Most daily precipitation	0.8 inches	August 24
Most daily snow	7.0 inches	December 18
Total annual precipitation	8.4 inches	-
Total annual snow	41.7 inches	-

What was the hottest temperature in Helena in 1990?

The highest temperature recorded in Helena, Montana in 1990 was 103 °F which happened on August 6.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1990

Rank	Temperature	Date
1	103 °F	Aug 6
2	100 °F	Aug 7
2	100 °F	Jul 1
4	99 °F	Aug 8
5	98 °F	Aug 15
5	98 °F	Jun 30
7	96 °F	Aug 14
8	95 °F	Aug 5
8	95 °F	Jul 13
8	95 °F	Jun 26

What was the coldest temperature in Helena in 1990?

The lowest temperature recorded in Helena, Montana in 1990 was -35 °F which happened on Dec 22.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1990

Rank	Temperature	Date
1	-35 °F	December 22
2	-32 °F	December 21
3	-29 °F	December 29
4	-25 °F	December 20
5	-23 °F	December 28
6	-22 °F	December 19
7	-17 °F	December 30
8	-16 °F	December 18
9	-15 °F	December 23
10	-12 °F	February 14

January 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	43	18	0.00	0.0
January 2	30	18	0.00	0.0
January 3	30	21	0.00	0.0
January 4	38	18	0.00	0.0
January 5	42	22	0.00	0.0
January 6	49	22	0.00	0.0
January 7	52	34	0.05	0.0
January 8	47	32	0.17	0.0
January 9	59	28	0.00	0.0
January 10	56	32	0.06	0.0
January 11	36	19	0.00	0.0
January 12	35	17	0.00	0.0
January 13	40	20	0.00	0.0
January 14	42	27	0.00	0.0
January 15	42	24	0.00	0.0
January 16	32	22	0.01	0.2
January 17	29	12	0.00	0.0
January 18	32	8	0.00	0.0
January 19	30	8	0.00	0.0
January 20	37	9	0.00	0.0
January 21	40	27	0.00	0.0
January 22	49	23	0.01	0.0
January 23	36	27	0.06	0.7
January 24	35	26	0.00	0.0
January 25	49	28	0.00	0.0
January 26	43	18	0.03	1.3
January 27	36	15	0.00	0.0
January 28	42	28	0.01	0.5
January 29	39	7	0.00	0.0
January 30	22	-7	0.07	1.5
January 31	-1	-11	0.00	0.1

February 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	15	-6	0.00	0.0
February 2	37	1	0.00	0.0
February 3	47	18	0.00	0.0
February 4	40	25	0.00	0.0
February 5	44	15	0.00	0.0
February 6	38	13	0.02	0.4
February 7	32	1	0.00	0.0
February 8	32	25	0.02	0.4
February 9	50	24	0.00	0.0
February 10	55	41	0.00	0.0
February 11	60	36	0.00	0.0
February 12	36	4	0.00	0.0
February 13	5	-8	0.00	0.0
February 14	19	-12	0.00	0.0
February 15	25	2	0.00	0.0
February 16	18	0	0.00	0.0
February 17	21	-4	0.01	0.1
February 18	35	0	0.00	0.0
February 19	36	6	0.00	0.0
February 20	52	13	0.00	0.0
February 21	46	37	0.00	0.0
February 22	55	36	0.00	0.0
February 23	60	28	0.00	0.0
February 24	55	24	0.00	0.0
February 25	57	34	0.00	0.0
February 26	44	25	0.09	0.9
February 27	43	11	0.00	0.0
February 28	47	15	0.00	0.0

March 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	51	15	0.00	0.0
March 2	55	15	0.00	0.0
March 3	49	20	0.00	0.0
March 4	51	33	0.00	0.0
March 5	38	30	0.26	3.3
March 6	51	28	0.00	0.0
March 7	54	21	0.00	0.0
March 8	59	25	0.00	0.0
March 9	48	20	0.00	0.0
March 10	65	23	0.00	0.0
March 11	42	28	0.20	2.9
March 12	35	23	0.02	0.8
March 13	34	29	0.06	0.5
March 14	43	30	0.00	0.0
March 15	44	27	0.00	0.0
March 16	53	22	0.00	0.0
March 17	43	31	0.03	0.2
March 18	54	27	0.00	0.0
March 19	64	27	0.00	0.0
March 20	57	35	0.00	0.0
March 21	53	25	0.03	0.0
March 22	25	12	0.05	0.8
March 23	13	2	0.26	5.5
March 24	28	-2	0.00	0.0
March 25	36	-1	0.00	0.0
March 26	47	8	0.00	0.0
March 27	50	21	0.00	0.0
March 28	50	30	0.00	0.0
March 29	58	22	0.00	0.0
March 30	64	27	0.00	0.0
March 31	67	30	0.00	0.0

April 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	67	33	0.00	0.0
April 2	76	33	0.00	0.0
April 3	67	43	0.00	0.0
April 4	49	34	0.00	0.0
April 5	49	28	0.01	0.3
April 6	62	22	0.00	0.0
April 7	66	33	0.00	0.0
April 8	59	33	0.00	0.0
April 9	40	22	0.02	0.2
April 10	35	20	0.02	0.3
April 11	53	29	0.00	0.0
April 12	58	30	0.02	0.0
April 13	61	29	0.00	0.0
April 14	60	40	0.04	0.0
April 15	68	38	0.00	0.0
April 16	50	32	0.00	0.0
April 17	67	26	0.00	0.0
April 18	68	40	0.00	0.0
April 19	74	34	0.00	0.0
April 20	77	37	0.00	0.0
April 21	73	40	0.00	0.0
April 22	64	46	0.12	0.0
April 23	64	44	0.01	0.0
April 24	61	41	0.00	0.0
April 25	59	34	0.01	0.0
April 26	53	35	0.00	0.0
April 27	48	28	0.09	0.0
April 28	41	26	0.09	0.0
April 29	43	27	0.00	0.0
April 30	49	27	0.00	0.0

May 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	60	25	0.00	0.0
May 2	56	41	0.12	0.0
May 3	66	32	0.00	0.0
May 4	71	45	0.00	0.0
May 5	80	37	0.00	0.0
May 6	79	43	0.00	0.0
May 7	53	36	0.00	0.0
May 8	45	34	0.00	0.0
May 9	60	25	0.00	0.0
May 10	62	29	0.00	0.0
May 11	61	40	0.00	0.0
May 12	61	39	0.13	0.0
May 13	57	40	0.02	0.0
May 14	53	37	0.12	0.0
May 15	49	36	0.39	0.1
May 16	60	36	0.00	0.0
May 17	65	34	0.01	0.0
May 18	63	41	0.00	0.0
May 19	63	34	0.00	0.0
May 20	65	39	0.10	0.0
May 21	67	33	0.00	0.0
May 22	67	44	0.00	0.0
May 23	75	42	0.00	0.0
May 24	62	42	0.43	0.0
May 25	48	42	0.00	0.0
May 26	67	39	0.00	0.0
May 27	76	41	0.00	0.0
May 28	68	53	0.07	0.0
May 29	72	49	0.14	0.0
May 30	70	46	0.00	0.0
May 31	64	41	0.01	0.0

June 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	58	36	0.00
June 2	63	38	0.00
June 3	70	37	0.06
June 4	66	44	0.00
June 5	69	40	0.00
June 6	72	44	0.04
June 7	66	46	0.01
June 8	74	40	0.00
June 9	88	46	0.00
June 10	75	47	0.05
June 11	65	43	0.00
June 12	62	47	0.00
June 13	62	45	0.00
June 14	50	42	0.48
June 15	63	44	0.03
June 16	72	39	0.00
June 17	74	42	0.06
June 18	78	46	0.00
June 19	73	56	0.05
June 20	78	48	0.00
June 21	78	45	0.00
June 22	90	47	0.00
June 23	91	59	0.00
June 24	93	56	0.00
June 25	92	58	0.00
June 26	95	58	0.00
June 27	85	56	0.14
June 28	84	54	0.00
June 29	90	52	0.00
June 30	98	57	0.00

July 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	100	59	0.00
July 2	92	55	0.04
July 3	76	48	0.00
July 4	77	48	0.00
July 5	88	53	0.00
July 6	83	58	0.00
July 7	80	53	0.00
July 8	88	48	0.00
July 9	91	59	0.00
July 10	92	54	0.00
July 11	92	57	0.00
July 12	93	57	0.00
July 13	95	57	0.00
July 14	80	56	0.00
July 15	92	55	0.00
July 16	93	56	0.00
July 17	91	56	0.00
July 18	88	55	0.00
July 19	78	56	0.00
July 20	63	57	0.00
July 21	78	51	0.00
July 22	86	47	0.00
July 23	88	50	0.00
July 24	77	53	0.24
July 25	79	53	0.08
July 26	67	53	0.04
July 27	80	56	0.00
July 28	82	50	0.00
July 29	84	51	0.00
July 30	89	53	0.00
July 31	87	61	0.00

August 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	52	0.00
August 2	86	55	0.00
August 3	86	52	0.00
August 4	90	53	0.00
August 5	95	54	0.00
August 6	103	54	0.00
August 7	100	59	0.00
August 8	99	55	0.00
August 9	89	61	0.00
August 10	84	61	0.08
August 11	76	57	0.02
August 12	88	50	0.00
August 13	92	54	0.10
August 14	96	54	0.00
August 15	98	53	0.00
August 16	87	61	0.00
August 17	80	55	0.10
August 18	83	51	0.19
August 19	76	54	0.41
August 20	76	53	0.45
August 21	79	49	0.00
August 22	73	50	0.00
August 23	77	50	0.00
August 24	66	48	0.80
August 25	65	52	0.40
August 26	70	48	0.02
August 27	79	51	0.00
August 28	83	47	0.00
August 29	87	47	0.00
August 30	76	52	0.00
August 31	76	44	0.00

September 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	45	0.00
September 2	87	47	0.10
September 3	84	53	0.00
September 4	84	54	0.00
September 5	86	53	0.00
September 6	89	54	0.00
September 7	89	49	0.00
September 8	86	50	0.01
September 9	84	45	0.00
September 10	87	49	0.00
September 11	89	44	0.00
September 12	91	49	0.00
September 13	76	46	0.00
September 14	83	38	0.00
September 15	88	46	0.00
September 16	77	52	0.00
September 17	75	45	0.00
September 18	78	43	0.00
September 19	77	50	0.00
September 20	69	49	0.00
September 21	74	40	0.00
September 22	77	39	0.00
September 23	85	38	0.00
September 24	86	43	0.00
September 25	87	44	0.00
September 26	71	51	0.00
September 27	74	42	0.00
September 28	69	43	0.00
September 29	75	35	0.00
September 30	79	41	0.00

October 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	84	40	0.00	0.0
October 2	54	39	0.00	0.0
October 3	55	37	0.00	0.0
October 4	78	50	0.00	0.0
October 5	66	38	0.01	0.0
October 6	46	27	0.02	0.4
October 7	49	20	0.00	0.0
October 8	54	33	0.00	0.0
October 9	67	39	0.00	0.0
October 10	56	32	0.00	0.0
October 11	54	19	0.00	0.0
October 12	61	33	0.01	0.0
October 13	51	30	0.01	0.1
October 14	49	32	0.00	0.0
October 15	55	30	0.00	0.0
October 16	51	31	0.06	0.0
October 17	53	22	0.00	0.0
October 18	64	32	0.00	0.0
October 19	50	33	0.00	0.0
October 20	45	29	0.00	0.0
October 21	59	24	0.00	0.0
October 22	53	37	0.00	0.0
October 23	54	28	0.00	0.0
October 24	63	22	0.00	0.0
October 25	79	31	0.00	0.0
October 26	61	31	0.00	0.0
October 27	59	24	0.00	0.0
October 28	73	28	0.00	0.0
October 29	61	32	0.00	0.0
October 30	72	28	0.00	0.0
October 31	60	39	0.00	0.0

November 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	48	31	0.09	2.9
November 2	41	17	0.01	0.2
November 3	42	15	0.00	0.0
November 4	48	34	0.02	0.0
November 5	38	22	0.11	4.4
November 6	32	8	0.00	0.0
November 7	40	13	0.00	0.0
November 8	47	38	0.00	0.0
November 9	59	33	0.00	0.0
November 10	65	43	0.00	0.0
November 11	72	33	0.00	0.0
November 12	60	28	0.00	0.0
November 13	68	30	0.00	0.0
November 14	61	35	0.00	0.0
November 15	45	27	0.00	0.0
November 16	46	15	0.00	0.0
November 17	51	17	0.00	0.0
November 18	52	31	0.00	0.0
November 19	51	22	0.00	0.0
November 20	37	23	0.08	0.9
November 21	40	20	0.00	0.0
November 22	50	36	0.01	0.0
November 23	60	29	0.00	0.0
November 24	62	36	0.00	0.0
November 25	53	22	0.02	0.0
November 26	35	14	0.00	0.0
November 27	37	24	0.00	0.0
November 28	39	23	0.00	0.0
November 29	55	23	0.00	0.0
November 30	46	19	0.02	0.2

December 1990 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	33	8	0.00	0.0
December 2	32	22	0.00	0.0
December 3	41	23	0.00	0.0
December 4	57	23	0.00	0.0
December 5	38	28	0.00	0.0
December 6	44	22	0.00	0.0
December 7	45	13	0.00	0.0
December 8	49	12	0.00	0.0
December 9	53	21	0.00	0.0
December 10	46	24	0.00	0.0
December 11	42	25	0.01	0.0
December 12	36	15	0.00	0.0
December 13	34	12	0.00	0.0
December 14	32	12	0.00	0.0
December 15	32	8	0.00	0.0
December 16	34	5	0.00	0.0
December 17	36	24	0.01	0.1
December 18	40	-16	0.27	7.0
December 19	-16	-22	0.00	0.2
December 20	-18	-25	0.00	0.2
December 21	-16	-32	0.02	0.1
December 22	-9	-35	0.03	0.7
December 23	19	-15	0.04	0.3
December 24	21	4	0.00	0.1
December 25	10	-10	0.00	0.0
December 26	18	-9	0.00	0.0
December 27	30	-8	0.08	2.4
December 28	-8	-23	0.01	0.4
December 29	-15	-29	0.00	0.1
December 30	16	-17	0.00	0.0
December 31	41	11	0.00	0.0

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Weather Station Details

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