Helena Weather in 1981

Historical record of Helena, Montana weather for the year 1981 based on NOAA data.

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1981 Helena Weather Extremes
Highest temperature	102 °F	July 5
Lowest temperature	-28 °F	February 10
Highest daily low	62 °F	July 6
Lowest daily high	-1 °F	February 10
Most daily precipitation	1.9 inches	May 21
Most daily snow	3.5 inches	October 20
Total annual precipitation	13.8 inches	-
Total annual snow	22.9 inches	-

What was the hottest temperature in Helena in 1981?

The highest temperature recorded in Helena, Montana in 1981 was 102 °F which happened on July 5.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 1981

Rank	Temperature	Date
1	102 °F	Jul 5
2	96 °F	Aug 25
3	95 °F	Jul 4
4	94 °F	Aug 12
5	92 °F	Sep 8
5	92 °F	Aug 29
5	92 °F	Jun 30
5	92 °F	Jun 26
9	91 °F	Sep 9
9	91 °F	Aug 28
9	91 °F	Aug 17
9	91 °F	Aug 16
9	91 °F	Aug 11
9	91 °F	Jul 3

What was the coldest temperature in Helena in 1981?

The lowest temperature recorded in Helena, Montana in 1981 was -28 °F which happened on Feb 10.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 1981

Rank	Temperature	Date
1	-28 °F	February 10
2	-14 °F	February 9
3	-11 °F	December 29
4	-6 °F	December 28
5	-3 °F	December 27
5	-3 °F	February 11
7	2 °F	December 31
7	2 °F	December 18
7	2 °F	December 17
10	5 °F	November 28
10	5 °F	November 27
10	5 °F	February 5
10	5 °F	February 4

January 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	41	25	0.00	0.0
January 2	35	27	0.00	0.0
January 3	34	21	0.00	0.0
January 4	42	20	0.00	0.0
January 5	41	24	0.00	0.0
January 6	35	18	0.00	0.0
January 7	43	22	0.00	0.0
January 8	39	18	0.00	0.0
January 9	41	24	0.00	0.0
January 10	41	19	0.00	0.0
January 11	36	14	0.00	0.0
January 12	30	13	0.00	0.0
January 13	37	13	0.00	0.0
January 14	39	14	0.00	0.0
January 15	37	14	0.00	0.0
January 16	34	12	0.00	0.0
January 17	34	10	0.00	0.0
January 18	51	19	0.00	0.0
January 19	45	18	0.00	0.0
January 20	44	16	0.00	0.0
January 21	35	17	0.00	0.0
January 22	39	17	0.00	0.0
January 23	38	21	0.00	0.0
January 24	43	21	0.00	0.0
January 25	40	28	0.00	0.0
January 26	31	19	0.00	0.0
January 27	40	18	0.00	0.0
January 28	35	22	0.00	0.0
January 29	42	19	0.00	0.0
January 30	29	16	0.00	0.0
January 31	30	22	0.15	2.7

February 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	27	12	0.01	0.1
February 2	40	10	0.00	0.0
February 3	31	9	0.00	0.0
February 4	31	5	0.00	0.0
February 5	29	5	0.00	0.0
February 6	35	9	0.01	0.4
February 7	32	14	0.00	0.1
February 8	31	12	0.02	0.7
February 9	14	-14	0.04	0.6
February 10	-1	-28	0.00	0.0
February 11	29	-3	0.00	0.0
February 12	45	17	0.00	0.2
February 13	52	34	0.00	0.0
February 14	55	35	0.00	0.0
February 15	49	38	0.00	0.0
February 16	56	33	0.01	0.0
February 17	50	32	0.00	0.0
February 18	55	31	0.00	0.0
February 19	64	32	0.01	0.0
February 20	42	32	0.00	0.0
February 21	44	34	0.00	0.0
February 22	45	29	0.00	0.0
February 23	55	25	0.00	0.0
February 24	41	24	0.00	0.0
February 25	45	29	0.00	0.0
February 26	45	27	0.00	0.0
February 27	47	25	0.00	0.0
February 28	48	19	0.00	0.0

March 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	49	18	0.00	0.0
March 2	53	18	0.00	0.0
March 3	54	20	0.00	0.0
March 4	53	20	0.00	0.0
March 5	58	25	0.00	0.0
March 6	38	30	0.07	0.3
March 7	48	27	0.00	0.0
March 8	56	21	0.00	0.0
March 9	53	25	0.00	0.0
March 10	55	18	0.00	0.0
March 11	59	21	0.00	0.0
March 12	60	20	0.00	0.0
March 13	62	23	0.00	0.0
March 14	59	23	0.00	0.0
March 15	61	23	0.00	0.0
March 16	47	25	0.24	0.0
March 17	38	30	0.14	1.4
March 18	32	25	0.13	1.6
March 19	38	16	0.00	0.0
March 20	37	20	0.00	0.0
March 21	49	16	0.00	0.0
March 22	55	27	0.00	0.0
March 23	53	34	0.00	0.0
March 24	55	27	0.00	0.0
March 25	58	27	0.00	0.0
March 26	51	33	0.30	0.0
March 27	43	27	0.01	0.0
March 28	60	22	0.00	0.0
March 29	62	31	0.21	0.0
March 30	40	34	0.00	0.0
March 31	56	34	0.00	0.0

April 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	49	33	0.04	0.0
April 2	48	28	0.00	0.0
April 3	48	27	0.01	0.1
April 4	47	30	0.00	0.0
April 5	68	28	0.03	0.0
April 6	45	30	0.00	0.0
April 7	43	25	0.00	0.0
April 8	51	20	0.00	0.0
April 9	49	29	0.01	0.0
April 10	52	18	0.00	0.0
April 11	58	22	0.00	0.0
April 12	47	29	0.00	0.0
April 13	50	27	0.00	0.0
April 14	67	21	0.00	0.0
April 15	74	25	0.00	0.0
April 16	66	40	0.00	0.0
April 17	66	38	0.00	0.0
April 18	68	31	0.00	0.0
April 19	64	42	0.00	0.0
April 20	59	42	0.30	0.0
April 21	56	40	0.00	0.0
April 22	60	42	0.00	0.0
April 23	75	46	0.00	0.0
April 24	64	44	0.00	0.0
April 25	60	42	0.00	0.0
April 26	51	42	0.18	0.0
April 27	61	44	0.18	0.0
April 28	61	49	0.00	0.0
April 29	69	55	0.00	0.0
April 30	76	44	0.00	0.0

May 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	81	44	0.14
May 2	59	42	0.04
May 3	59	31	0.00
May 4	66	32	0.00
May 5	58	29	0.31
May 6	50	39	0.14
May 7	53	40	0.00
May 8	49	40	0.03
May 9	64	36	0.00
May 10	56	44	0.32
May 11	44	38	0.06
May 12	48	38	0.01
May 13	59	40	0.00
May 14	65	40	0.01
May 15	61	45	0.04
May 16	46	37	0.57
May 17	57	37	0.02
May 18	71	39	0.00
May 19	72	45	0.42
May 20	73	45	0.64
May 21	60	50	1.93
May 22	63	50	0.86
May 23	68	49	0.00
May 24	72	53	0.12
May 25	71	47	0.06
May 26	70	49	0.00
May 27	73	53	0.00
May 28	75	42	0.00
May 29	73	46	0.00
May 30	75	48	0.00
May 31	67	45	0.37

June 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	68	45	0.00
June 2	74	41	0.00
June 3	67	51	0.05
June 4	70	48	0.00
June 5	75	47	0.00
June 6	75	56	0.08
June 7	65	49	0.01
June 8	67	49	0.00
June 9	68	44	0.00
June 10	70	37	0.01
June 11	71	46	0.03
June 12	60	49	0.53
June 13	59	47	0.00
June 14	51	40	0.42
June 15	70	42	0.00
June 16	71	45	0.00
June 17	60	41	0.00
June 18	65	38	0.00
June 19	72	48	0.01
June 20	71	49	0.00
June 21	66	45	0.00
June 22	79	50	0.01
June 23	72	51	0.00
June 24	79	40	0.00
June 25	85	43	0.00
June 26	92	53	0.00
June 27	79	53	0.00
June 28	73	47	0.00
June 29	84	41	0.00
June 30	92	48	0.00

July 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	56	0.01
July 2	84	44	0.00
July 3	91	49	0.00
July 4	95	51	0.00
July 5	102	51	0.00
July 6	82	62	0.14
July 7	70	49	0.11
July 8	75	42	0.00
July 9	87	43	0.00
July 10	84	58	0.00
July 11	84	56	0.01
July 12	89	52	0.04
July 13	82	58	0.45
July 14	78	54	0.00
July 15	82	50	0.00
July 16	84	56	0.04
July 17	82	56	0.04
July 18	79	52	0.01
July 19	85	50	0.00
July 20	86	52	0.00
July 21	85	53	0.00
July 22	87	52	0.00
July 23	82	59	0.00
July 24	75	55	0.00
July 25	61	55	0.66
July 26	73	55	0.05
July 27	83	50	0.00
July 28	89	52	0.22
July 29	90	54	0.00
July 30	79	57	0.00
July 31	83	45	0.00

August 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	49	0.00
August 2	84	55	0.00
August 3	87	45	0.00
August 4	84	56	0.00
August 5	84	51	0.00
August 6	86	53	0.00
August 7	87	54	0.00
August 8	77	59	0.00
August 9	84	49	0.00
August 10	88	50	0.00
August 11	91	52	0.00
August 12	94	53	0.00
August 13	89	59	0.00
August 14	88	57	0.00
August 15	87	56	0.00
August 16	91	52	0.00
August 17	91	53	0.00
August 18	88	58	0.01
August 19	87	56	0.03
August 20	87	57	0.00
August 21	83	54	0.00
August 22	86	47	0.00
August 23	89	47	0.00
August 24	90	51	0.00
August 25	96	54	0.00
August 26	89	56	0.00
August 27	86	56	0.00
August 28	91	50	0.00
August 29	92	51	0.00
August 30	71	43	0.06
August 31	75	38	0.00

September 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	46	0.00
September 2	73	45	0.00
September 3	79	40	0.00
September 4	79	42	0.00
September 5	72	52	0.02
September 6	78	44	0.00
September 7	84	43	0.00
September 8	92	44	0.00
September 9	91	48	0.00
September 10	83	48	0.00
September 11	88	43	0.00
September 12	90	44	0.00
September 13	88	46	0.00
September 14	82	45	0.00
September 15	82	44	0.00
September 16	85	44	0.00
September 17	85	43	0.00
September 18	88	44	0.00
September 19	73	48	0.05
September 20	64	39	0.00
September 21	57	38	0.00
September 22	61	35	0.00
September 23	61	31	0.00
September 24	67	31	0.12
September 25	48	42	0.52
September 26	56	37	0.00
September 27	68	43	0.15
September 28	66	49	0.04
September 29	58	43	0.00
September 30	61	40	0.00

October 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	73	33	0.00	0.0
October 2	74	38	0.00	0.0
October 3	54	37	0.00	0.0
October 4	54	29	0.00	0.0
October 5	57	24	0.00	0.0
October 6	70	31	0.00	0.0
October 7	71	45	0.05	0.0
October 8	55	37	0.00	0.0
October 9	55	27	0.01	0.0
October 10	48	37	0.04	0.0
October 11	41	33	0.17	0.3
October 12	36	32	0.13	1.4
October 13	41	27	0.00	0.0
October 14	48	33	0.00	0.0
October 15	56	33	0.00	0.0
October 16	61	26	0.00	0.0
October 17	54	32	0.00	0.0
October 18	68	25	0.00	0.0
October 19	72	35	0.00	0.0
October 20	41	21	0.20	3.5
October 21	40	15	0.00	0.0
October 22	44	21	0.00	0.0
October 23	51	23	0.00	0.0
October 24	49	34	0.00	0.0
October 25	61	28	0.00	0.0
October 26	65	41	0.00	0.0
October 27	63	40	0.00	0.0
October 28	71	31	0.00	0.0
October 29	50	40	0.22	0.0
October 30	48	35	0.00	0.0
October 31	62	38	0.00	0.0

November 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	63	35	0.00	0.0
November 2	60	28	0.00	0.0
November 3	60	26	0.00	0.0
November 4	53	34	0.00	0.0
November 5	53	23	0.00	0.0
November 6	51	23	0.00	0.0
November 7	58	29	0.00	0.0
November 8	54	28	0.00	0.0
November 9	56	24	0.00	0.0
November 10	55	22	0.00	0.0
November 11	55	24	0.00	0.0
November 12	65	30	0.01	0.0
November 13	50	30	0.02	0.0
November 14	55	35	0.17	0.0
November 15	48	29	0.00	0.0
November 16	53	32	0.00	0.0
November 17	46	36	0.02	0.0
November 18	46	34	0.00	0.0
November 19	45	20	0.00	0.0
November 20	51	29	0.00	0.0
November 21	58	31	0.00	0.0
November 22	47	34	0.00	0.0
November 23	35	27	0.04	0.4
November 24	34	25	0.28	3.0
November 25	33	21	0.00	0.0
November 26	26	7	0.00	0.0
November 27	25	5	0.00	0.0
November 28	27	5	0.00	0.0
November 29	27	10	0.00	0.0
November 30	36	19	0.00	0.0

December 1981 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	42	21	0.00	0.0
December 2	46	26	0.00	0.0
December 3	39	20	0.00	0.0
December 4	43	17	0.00	0.0
December 5	52	18	0.00	0.0
December 6	55	31	0.00	0.0
December 7	50	24	0.00	0.0
December 8	40	24	0.00	0.0
December 9	35	20	0.00	0.0
December 10	55	30	0.00	0.0
December 11	37	17	0.00	0.0
December 12	32	12	0.00	0.0
December 13	28	20	0.00	0.0
December 14	42	22	0.01	0.1
December 15	30	23	0.08	1.2
December 16	30	10	0.15	2.7
December 17	19	2	0.00	0.0
December 18	17	2	0.00	0.0
December 19	42	15	0.00	0.0
December 20	44	27	0.00	0.0
December 21	39	27	0.00	0.0
December 22	31	23	0.00	0.0
December 23	30	16	0.00	0.0
December 24	32	24	0.00	0.0
December 25	37	24	0.00	0.0
December 26	32	16	0.00	0.0
December 27	22	-3	0.07	1.4
December 28	11	-6	0.02	0.5
December 29	10	-11	0.00	0.2
December 30	22	8	0.00	0.0
December 31	20	2	0.00	0.0

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Weather Station Details

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