Helena Weather in 2005

Historical record of Helena, Montana weather for the year 2005 based on NOAA data.

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2005 Helena Weather Extremes
Highest temperature	100 °F	August 6
Lowest temperature	-25 °F	January 15
Highest daily low	66 °F	July 23
Lowest daily high	-9 °F	January 15
Most daily precipitation	1.5 inches	June 1
Most daily snow	5.2 inches	January 12
Total annual precipitation	12.2 inches	-
Total annual snow	32.9 inches	-

What was the hottest temperature in Helena in 2005?

The highest temperature recorded in Helena, Montana in 2005 was 100 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Helena in 2005

Rank	Temperature	Date
1	100 °F	Aug 6
1	100 °F	Jul 8
3	99 °F	Aug 29
3	99 °F	Aug 7
3	99 °F	Jul 15
6	98 °F	Aug 5
6	98 °F	Jul 12
8	97 °F	Jul 22
8	97 °F	Jul 20
8	97 °F	Jul 13

What was the coldest temperature in Helena in 2005?

The lowest temperature recorded in Helena, Montana in 2005 was -25 °F which happened on Jan 15.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Helena in 2005

Rank	Temperature	Date
1	-25 °F	January 15
2	-18 °F	January 14
3	-15 °F	December 7
3	-15 °F	January 5
5	-13 °F	January 6
6	-12 °F	December 19
6	-12 °F	December 8
6	-12 °F	January 16
9	-10 °F	December 18
9	-10 °F	December 6
9	-10 °F	January 3

January 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	23	-5	0.00	0.1
January 2	7	-8	0.00	0.0
January 3	12	-10	0.00	0.0
January 4	11	-4	0.00	0.8
January 5	0	-15	0.00	0.0
January 6	27	-13	0.07	2.3
January 7	19	6	0.01	0.9
January 8	8	1	0.00	0.0
January 9	6	-6	0.00	0.1
January 10	7	-6	0.00	0.0
January 11	11	-4	0.00	0.0
January 12	21	-7	0.06	5.2
January 13	-3	-8	0.03	1.4
January 14	-6	-18	0.01	0.4
January 15	-9	-25	0.00	0.0
January 16	13	-12	0.00	0.0
January 17	30	10	0.00	0.0
January 18	50	25	0.08	0.0
January 19	55	34	0.00	0.0
January 20	46	27	0.00	0.0
January 21	47	25	0.00	0.0
January 22	32	20	0.00	0.0
January 23	47	25	0.00	0.0
January 24	44	22	0.00	0.0
January 25	42	21	0.00	0.0
January 26	41	23	0.00	0.0
January 27	39	24	0.00	0.0
January 28	40	26	0.00	0.0
January 29	39	23	0.00	0.0
January 30	45	33	0.00	0.0
January 31	46	24	0.00	0.0

February 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	47	34	0.00	0.0
February 2	51	35	0.00	0.0
February 3	47	28	0.00	0.0
February 4	41	25	0.00	0.0
February 5	41	22	0.00	0.0
February 6	29	15	0.00	0.0
February 7	29	13	0.00	0.0
February 8	35	21	0.00	0.0
February 9	43	15	0.00	0.0
February 10	48	16	0.00	0.0
February 11	46	18	0.00	0.0
February 12	50	22	0.00	0.0
February 13	43	28	0.05	0.0
February 14	36	22	0.00	0.0
February 15	34	19	0.00	0.0
February 16	37	10	0.00	0.0
February 17	42	15	0.00	0.0
February 18	39	12	0.00	0.0
February 19	41	16	0.00	0.0
February 20	27	20	0.01	0.4
February 21	45	11	0.00	0.0
February 22	47	13	0.00	0.0
February 23	47	17	0.00	0.0
February 24	52	19	0.00	0.0
February 25	55	19	0.00	0.0
February 26	51	18	0.00	0.0
February 27	50	21	0.00	0.0
February 28	51	21	0.00	0.0

March 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	51	29	0.00	0.0
March 2	55	25	0.00	0.0
March 3	54	24	0.00	0.0
March 4	58	22	0.00	0.0
March 5	58	24	0.00	0.0
March 6	58	37	0.00	0.0
March 7	59	26	0.00	0.0
March 8	62	31	0.00	0.0
March 9	67	43	0.00	0.0
March 10	58	32	0.00	0.0
March 11	69	29	0.00	0.0
March 12	50	28	0.39	2.5
March 13	35	18	0.03	0.4
March 14	34	25	0.05	0.8
March 15	39	23	0.05	1.2
March 16	51	28	0.00	0.0
March 17	41	16	0.06	0.6
March 18	37	13	0.03	0.8
March 19	31	17	0.01	0.3
March 20	38	21	0.01	0.0
March 21	49	28	0.00	0.0
March 22	41	25	0.18	2.1
March 23	25	18	0.03	1.8
March 24	26	16	0.02	0.4
March 25	42	15	0.00	0.0
March 26	49	23	0.00	0.0
March 27	62	38	0.00	0.0
March 28	52	35	0.00	0.0
March 29	48	29	0.00	0.0
March 30	46	33	0.00	0.0
March 31	52	28	0.00	0.0

April 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	68	29	0.00
April 2	60	38	0.00
April 3	56	34	0.00
April 4	53	33	0.00
April 5	57	33	0.00
April 6	73	28	0.00
April 7	76	38	0.00
April 8	58	41	0.01
April 9	49	39	0.00
April 10	54	34	0.00
April 11	63	27	0.00
April 12	68	29	0.00
April 13	63	35	0.19
April 14	45	34	0.27
April 15	53	29	0.00
April 16	72	29	0.00
April 17	63	43	0.00
April 18	45	36	0.07
April 19	45	35	0.09
April 20	41	35	0.11
April 21	45	35	0.03
April 22	62	28	0.00
April 23	68	33	0.00
April 24	67	44	0.00
April 25	66	40	0.00
April 26	58	38	0.02
April 27	40	28	0.11
April 28	39	21	0.00
April 29	46	17	0.00
April 30	44	30	0.00

May 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	51	28	0.00
May 2	58	25	0.00
May 3	66	31	0.00
May 4	65	40	0.04
May 5	69	43	0.00
May 6	73	41	0.00
May 7	64	45	0.05
May 8	60	47	0.00
May 9	54	44	0.29
May 10	49	45	0.74
May 11	46	38	0.01
May 12	52	37	0.16
May 13	68	37	0.04
May 14	74	42	0.00
May 15	70	46	0.03
May 16	70	52	0.33
May 17	61	42	0.12
May 18	69	38	0.00
May 19	70	49	0.16
May 20	67	42	0.11
May 21	65	43	0.00
May 22	73	42	0.00
May 23	64	44	0.00
May 24	62	39	0.00
May 25	60	38	0.03
May 26	67	36	0.00
May 27	75	36	0.00
May 28	75	43	0.00
May 29	67	40	0.00
May 30	68	38	0.00
May 31	65	40	0.00

June 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	54	43	1.46
June 2	55	46	0.29
June 3	59	47	0.13
June 4	71	51	0.00
June 5	77	44	0.06
June 6	63	43	0.25
June 7	63	38	0.00
June 8	59	37	0.00
June 9	63	44	0.00
June 10	69	50	0.00
June 11	67	45	0.04
June 12	52	45	0.81
June 13	70	41	0.00
June 14	82	42	0.13
June 15	74	53	0.22
June 16	74	52	0.10
June 17	72	54	0.02
June 18	67	49	0.08
June 19	76	41	0.00
June 20	89	50	0.03
June 21	92	56	0.00
June 22	86	59	0.30
June 23	79	58	0.00
June 24	81	50	0.00
June 25	79	50	0.12
June 26	68	52	0.11
June 27	74	53	0.10
June 28	65	52	0.30
June 29	74	54	0.00
June 30	82	50	0.00

July 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	53	0.00
July 2	79	54	0.00
July 3	77	51	0.00
July 4	83	47	0.00
July 5	88	53	0.00
July 6	93	56	0.00
July 7	90	63	0.00
July 8	100	59	0.00
July 9	81	60	0.02
July 10	76	50	0.00
July 11	84	57	0.01
July 12	98	56	0.00
July 13	97	63	0.00
July 14	88	57	0.00
July 15	99	54	0.00
July 16	89	58	0.00
July 17	78	53	0.00
July 18	93	52	0.00
July 19	96	55	0.00
July 20	97	57	0.00
July 21	96	57	0.00
July 22	97	64	0.04
July 23	89	66	0.00
July 24	90	53	0.00
July 25	71	53	0.00
July 26	83	44	0.00
July 27	91	51	0.00
July 28	93	54	0.00
July 29	94	56	0.00
July 30	96	58	0.00
July 31	95	59	0.00

August 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	94	60	0.00
August 2	87	59	0.00
August 3	82	58	0.00
August 4	90	53	0.00
August 5	98	56	0.00
August 6	100	60	0.00
August 7	99	63	0.01
August 8	85	65	0.01
August 9	88	57	0.00
August 10	86	59	0.00
August 11	84	55	0.00
August 12	65	49	0.00
August 13	68	48	0.00
August 14	80	41	0.00
August 15	88	46	0.00
August 16	91	53	0.00
August 17	81	50	0.00
August 18	74	50	0.00
August 19	82	47	0.00
August 20	92	47	0.00
August 21	95	50	0.00
August 22	91	54	0.03
August 23	85	53	0.00
August 24	70	44	0.00
August 25	78	43	0.00
August 26	88	45	0.00
August 27	90	51	0.00
August 28	91	51	0.00
August 29	99	51	0.00
August 30	68	48	0.24
August 31	76	43	0.00

September 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	81	44	0.00
September 2	87	45	0.00
September 3	91	50	0.00
September 4	85	52	0.01
September 5	78	49	0.00
September 6	82	46	0.00
September 7	87	48	0.00
September 8	90	48	0.00
September 9	81	50	0.00
September 10	58	42	0.07
September 11	66	34	0.00
September 12	65	33	0.00
September 13	66	47	0.00
September 14	73	51	0.00
September 15	76	42	0.00
September 16	70	44	0.05
September 17	55	49	0.23
September 18	65	45	0.00
September 19	79	44	0.00
September 20	84	42	0.00
September 21	69	45	0.00
September 22	74	37	0.00
September 23	57	42	0.04
September 24	43	38	0.32
September 25	63	32	0.00
September 26	76	38	0.00
September 27	59	38	0.00
September 28	66	31	0.00
September 29	77	38	0.00
September 30	78	56	0.00

October 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	72	45	0.06
October 2	58	43	0.14
October 3	46	36	0.48
October 4	44	37	0.00
October 5	52	35	0.00
October 6	64	28	0.00
October 7	66	38	0.00
October 8	54	38	0.00
October 9	59	36	0.00
October 10	61	29	0.00
October 11	61	34	0.00
October 12	62	34	0.00
October 13	71	41	0.00
October 14	68	38	0.00
October 15	73	41	0.00
October 16	65	51	0.00
October 17	76	48	0.00
October 18	65	45	0.00
October 19	63	39	0.04
October 20	61	42	0.00
October 21	63	36	0.00
October 22	64	33	0.00
October 23	65	33	0.00
October 24	67	34	0.00
October 25	59	34	0.00
October 26	64	33	0.00
October 27	57	43	0.19
October 28	55	36	0.03
October 29	52	34	0.00
October 30	51	28	0.00
October 31	56	26	0.00

November 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	68	38	0.02	0.0
November 2	48	34	0.29	0.0
November 3	47	34	0.03	0.0
November 4	46	29	0.00	0.0
November 5	45	26	0.00	0.0
November 6	49	28	0.00	0.0
November 7	39	29	0.03	0.0
November 8	41	29	0.03	0.0
November 9	44	21	0.00	0.0
November 10	54	27	0.00	0.0
November 11	55	32	0.00	0.0
November 12	43	31	0.00	0.0
November 13	43	24	0.00	0.0
November 14	47	18	0.02	0.6
November 15	34	12	0.00	0.0
November 16	45	33	0.00	0.0
November 17	48	26	0.00	0.0
November 18	53	25	0.00	0.0
November 19	50	27	0.00	0.0
November 20	51	24	0.00	0.0
November 21	50	24	0.00	0.0
November 22	51	25	0.00	0.0
November 23	48	23	0.00	0.0
November 24	47	19	0.00	0.0
November 25	40	22	0.11	0.0
November 26	40	30	0.01	0.0
November 27	33	24	0.11	3.0
November 28	30	10	0.00	0.0
November 29	25	7	0.02	0.3
November 30	18	11	0.10	0.0

December 2005 Helena Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	14	6	0.25	4.0
December 2	13	0	0.11	1.4
December 3	23	-1	0.00	0.0
December 4	26	8	0.00	0.0
December 5	33	7	0.00	0.5
December 6	8	-10	0.00	0.0
December 7	0	-15	0.00	0.0
December 8	12	-12	0.00	0.0
December 9	38	5	0.00	0.0
December 10	29	12	0.00	0.0
December 11	28	9	0.00	0.0
December 12	19	2	0.00	0.0
December 13	32	2	0.00	0.3
December 14	31	11	0.00	0.0
December 15	17	5	0.00	0.0
December 16	18	6	0.00	0.3
December 17	9	-6	0.00	0.0
December 18	4	-10	0.00	0.0
December 19	10	-12	0.00	0.0
December 20	24	9	0.00	0.0
December 21	38	22	0.01	0.0
December 22	52	30	0.00	0.0
December 23	47	37	0.00	0.0
December 24	44	30	0.00	0.0
December 25	50	28	0.00	0.0
December 26	44	32	0.01	0.0
December 27	44	35	0.00	0.0
December 28	42	35	0.23	0.0
December 29	43	28	0.00	0.0
December 30	44	25	0.00	0.0
December 31	46	28	0.02	0.0

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Weather Station Details

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