Boulder Weather in 1975

Historical record of Boulder, Colorado weather for the year 1975 based on NOAA data.

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1975 Boulder Weather Extremes
Highest temperature	99 °F	August 7
Lowest temperature	-9 °F	January 12
Highest daily low	66 °F	August 12
Lowest daily high	17 °F	February 5
Most daily precipitation	1.9 inches	May 29
Most daily snow	10.6 inches	March 27
Total annual precipitation	18.2 inches	-
Total annual snow	91.7 inches	-

What was the hottest temperature in Boulder in 1975?

The highest temperature recorded in Boulder, Colorado in 1975 was 99 °F which happened on August 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 1975

Rank	Temperature	Date
1	99 °F	Aug 7
2	95 °F	Jul 1
3	94 °F	Jun 29
4	93 °F	Aug 6
4	93 °F	Aug 5
4	93 °F	Jul 2
4	93 °F	Jun 30
8	91 °F	Aug 31
8	91 °F	Aug 11
8	91 °F	Aug 4
8	91 °F	Jul 19

What was the coldest temperature in Boulder in 1975?

The lowest temperature recorded in Boulder, Colorado in 1975 was -9 °F which happened on Jan 12.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 1975

Rank	Temperature	Date
1	-9 °F	January 12
2	-6 °F	February 6
3	-3 °F	April 2
4	-2 °F	March 28
5	0 °F	December 15
5	0 °F	November 30
7	2 °F	February 9
7	2 °F	January 11
9	3 °F	December 18
10	4 °F	March 29

January 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	39	12	0.00	0.0
January 2	36	19	0.00	0.0
January 3	43	9	0.00	0.0
January 4	48	9	0.00	0.0
January 5	43	22	0.00	0.0
January 6	50	32	0.00	0.0
January 7	47	27	0.00	0.0
January 8	41	21	0.00	0.0
January 9	37	25	0.07	1.2
January 10	30	8	0.00	0.0
January 11	20	2	0.00	0.0
January 12	25	-9	0.00	0.0
January 13	52	15	0.00	0.0
January 14	58	39	0.00	0.0
January 15	56	42	0.00	0.0
January 16	43	24	0.00	0.0
January 17	56	24	0.00	0.0
January 18	60	40	0.00	0.0
January 19	50	20	0.00	0.0
January 20	60	32	0.00	0.0
January 21	50	21	0.35	4.3
January 22	41	5	0.00	0.0
January 23	56	23	0.00	0.0
January 24	48	37	0.00	0.0
January 25	44	28	0.00	0.0
January 26	64	23	0.00	0.0
January 27	57	18	0.02	1.1
January 28	43	12	0.01	0.0
January 29	37	26	0.00	0.0
January 30	35	18	0.00	0.0
January 31	41	12	0.00	0.0

February 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	49	17	0.00	0.0
February 2	51	23	0.00	0.0
February 3	45	19	0.00	0.0
February 4	40	16	0.03	0.3
February 5	17	8	0.12	3.3
February 6	38	-6	0.01	0.0
February 7	52	21	0.00	0.0
February 8	47	12	0.01	0.3
February 9	55	2	0.00	0.0
February 10	53	39	0.00	0.0
February 11	48	35	0.00	0.0
February 12	60	32	0.00	0.0
February 13	63	39	0.00	0.0
February 14	55	37	0.00	0.0
February 15	37	14	0.53	5.2
February 16	34	5	0.00	0.0
February 17	36	17	0.18	3.2
February 18	35	10	0.00	0.0
February 19	39	12	0.00	0.0
February 20	48	17	0.00	0.0
February 21	38	20	0.00	0.0
February 22	28	11	0.00	0.0
February 23	51	10	0.00	0.0
February 24	59	32	0.00	0.0
February 25	56	25	0.00	0.0
February 26	44	20	0.00	0.0
February 27	54	30	0.00	0.0
February 28	58	30	0.00	0.0

March 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	66	39	0.00	0.0
March 2	63	30	0.00	0.0
March 3	58	25	0.00	0.0
March 4	62	31	0.00	0.0
March 5	64	44	0.00	0.0
March 6	62	28	0.00	0.0
March 7	51	23	0.00	0.0
March 8	43	24	0.00	0.0
March 9	43	28	0.08	0.5
March 10	34	24	0.12	2.1
March 11	33	27	0.07	0.4
March 12	34	17	0.09	2.3
March 13	49	18	0.00	0.0
March 14	52	25	0.00	0.0
March 15	50	33	0.02	0.0
March 16	60	26	0.00	0.0
March 17	60	35	0.00	0.0
March 18	59	34	0.00	0.0
March 19	69	39	0.00	0.0
March 20	69	49	0.00	0.0
March 21	66	36	0.04	0.0
March 22	62	30	0.00	0.0
March 23	59	24	0.00	0.0
March 24	48	26	0.00	0.0
March 25	48	24	0.00	0.0
March 26	47	26	0.05	0.0
March 27	34	11	0.73	10.6
March 28	23	-2	0.00	0.0
March 29	32	4	0.00	0.0
March 30	56	16	0.00	0.0
March 31	52	30	0.03	0.3

April 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	31	11	0.55	10.4
April 2	35	-3	0.13	1.4
April 3	49	16	0.00	0.0
April 4	62	27	0.00	0.0
April 5	66	35	0.00	0.0
April 6	66	35	0.00	0.0
April 7	62	36	0.00	0.0
April 8	49	32	0.00	0.0
April 9	49	24	0.00	0.0
April 10	45	30	0.00	0.0
April 11	34	29	1.04	8.1
April 12	42	27	0.03	0.6
April 13	44	31	0.00	0.0
April 14	63	27	0.00	0.0
April 15	68	36	0.00	0.0
April 16	70	37	0.00	0.0
April 17	70	36	0.00	0.0
April 18	55	25	0.97	8.2
April 19	55	30	0.00	0.0
April 20	61	34	0.00	0.0
April 21	61	36	0.00	0.0
April 22	72	36	0.00	0.0
April 23	69	41	0.00	0.0
April 24	71	40	0.00	0.0
April 25	81	37	0.00	0.0
April 26	82	55	0.00	0.0
April 27	76	36	0.13	0.0
April 28	53	35	0.00	0.0
April 29	52	34	0.00	0.0
April 30	49	30	0.00	0.0

May 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	30	0.00
May 2	64	37	0.00
May 3	71	36	0.00
May 4	76	42	0.00
May 5	72	51	0.00
May 6	58	34	0.00
May 7	57	42	0.00
May 8	63	42	0.00
May 9	69	36	0.00
May 10	76	44	0.00
May 11	73	48	0.00
May 12	66	43	0.00
May 13	65	36	0.38
May 14	74	44	0.00
May 15	83	44	0.00
May 16	82	49	0.00
May 17	79	55	0.14
May 18	73	48	0.00
May 19	79	55	0.00
May 20	78	42	0.00
May 21	46	38	0.37
May 22	49	41	0.17
May 23	60	37	0.35
May 24	75	40	0.00
May 25	75	49	0.00
May 26	67	35	0.00
May 27	69	40	0.00
May 28	67	40	0.99
May 29	47	33	1.91
May 30	64	39	0.00
May 31	64	44	0.02

June 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	63	40	0.03
June 2	77	43	0.00
June 3	84	50	0.00
June 4	84	54	0.00
June 5	79	47	0.00
June 6	83	52	0.00
June 7	81	54	0.00
June 8	71	52	0.85
June 9	63	44	0.12
June 10	49	37	0.88
June 11	69	36	0.00
June 12	77	46	0.00
June 13	84	56	0.00
June 14	81	58	0.00
June 15	83	50	0.00
June 16	81	55	0.00
June 17	68	49	0.00
June 18	66	51	0.06
June 19	75	51	0.07
June 20	81	47	0.00
June 21	79	49	0.00
June 22	75	49	0.00
June 23	83	49	0.00
June 24	89	51	0.00
June 25	90	56	0.00
June 26	81	53	0.00
June 27	89	48	0.00
June 28	89	53	0.00
June 29	94	55	0.00
June 30	93	58	0.00

July 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	95	60	0.00
July 2	93	58	0.00
July 3	89	60	0.00
July 4	90	57	0.00
July 5	87	57	0.00
July 6	86	56	0.10
July 7	88	59	0.03
July 8	86	58	0.02
July 9	86	58	0.00
July 10	80	55	0.08
July 11	80	54	0.07
July 12	78	51	0.00
July 13	88	52	0.00
July 14	90	59	0.00
July 15	85	59	0.07
July 16	89	56	0.15
July 17	89	55	0.42
July 18	89	59	0.00
July 19	91	60	0.00
July 20	87	61	0.20
July 21	86	56	0.03
July 22	86	59	0.07
July 23	83	58	0.05
July 24	83	53	0.08
July 25	86	53	0.00
July 26	88	56	0.00
July 27	90	56	0.00
July 28	89	56	0.00
July 29	89	59	0.00
July 30	90	65	0.05
July 31	85	56	0.25

August 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	77	58	0.01
August 2	83	55	0.00
August 3	89	54	0.00
August 4	91	59	0.00
August 5	93	56	0.00
August 6	93	61	0.00
August 7	99	64	0.00
August 8	90	58	0.00
August 9	90	57	0.00
August 10	90	58	0.00
August 11	91	61	0.00
August 12	88	66	0.00
August 13	79	56	0.82
August 14	75	50	0.25
August 15	79	48	0.08
August 16	75	47	0.05
August 17	84	54	0.01
August 18	87	56	0.00
August 19	88	56	0.00
August 20	86	57	0.00
August 21	81	55	0.01
August 22	84	54	0.08
August 23	88	55	0.00
August 24	88	63	0.00
August 25	85	44	0.00
August 26	85	52	0.00
August 27	85	59	0.00
August 28	88	56	0.00
August 29	87	56	0.00
August 30	87	54	0.00
August 31	91	58	0.00

September 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	59	0.00
September 2	84	56	0.00
September 3	78	51	0.00
September 4	80	56	0.00
September 5	76	47	0.00
September 6	87	50	0.00
September 7	86	54	0.00
September 8	79	53	0.00
September 9	84	57	0.00
September 10	81	54	0.22
September 11	70	43	0.33
September 12	54	42	0.06
September 13	57	43	0.00
September 14	74	45	0.03
September 15	82	55	0.00
September 16	82	53	0.00
September 17	84	57	0.00
September 18	81	47	0.00
September 19	63	41	0.00
September 20	63	34	0.00
September 21	63	35	0.00
September 22	69	37	0.00
September 23	72	42	0.00
September 24	73	38	0.00
September 25	77	38	0.00
September 26	80	49	0.00
September 27	78	41	0.00
September 28	68	35	0.00
September 29	71	43	0.00
September 30	64	39	0.42

October 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	64	32	0.00	0.0
October 2	72	40	0.00	0.0
October 3	81	45	0.00	0.0
October 4	81	50	0.00	0.0
October 5	76	48	0.00	0.0
October 6	83	48	0.00	0.0
October 7	81	51	0.00	0.0
October 8	79	45	0.00	0.0
October 9	72	34	0.00	0.0
October 10	81	45	0.00	0.0
October 11	82	46	0.00	0.0
October 12	83	39	0.00	0.0
October 13	80	41	0.00	0.0
October 14	60	37	0.00	0.0
October 15	66	34	0.00	0.0
October 16	61	44	0.00	0.0
October 17	64	33	0.00	0.0
October 18	74	39	0.00	0.0
October 19	76	44	0.00	0.0
October 20	78	42	0.00	0.0
October 21	79	44	0.00	0.0
October 22	76	58	0.00	0.0
October 23	69	26	0.58	4.8
October 24	37	19	0.10	1.0
October 25	47	20	0.00	0.0
October 26	70	30	0.00	0.0
October 27	66	45	0.00	0.0
October 28	54	38	0.00	0.0
October 29	64	32	0.00	0.0
October 30	71	32	0.00	0.0
October 31	62	43	0.00	0.0

November 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	58	33	0.00	0.0
November 2	65	35	0.00	0.0
November 3	67	42	0.00	0.0
November 4	69	42	0.00	0.0
November 5	71	41	0.00	0.0
November 6	72	44	0.00	0.0
November 7	71	49	0.00	0.0
November 8	63	39	0.08	0.0
November 9	43	31	0.44	2.1
November 10	44	21	0.00	0.0
November 11	52	32	0.00	0.0
November 12	41	24	0.00	0.0
November 13	64	26	0.00	0.0
November 14	67	34	0.00	0.0
November 15	71	43	0.00	0.0
November 16	69	40	0.00	0.0
November 17	57	36	0.00	0.0
November 18	47	25	0.00	0.0
November 19	35	23	0.46	5.1
November 20	36	6	0.00	0.0
November 21	29	12	0.00	0.0
November 22	45	13	0.00	0.0
November 23	45	23	0.00	0.0
November 24	47	20	0.00	0.0
November 25	44	20	0.15	2.8
November 26	35	7	0.00	0.0
November 27	36	18	0.00	0.0
November 28	29	15	0.00	0.0
November 29	40	15	0.02	0.6
November 30	34	0	0.05	0.7

December 1975 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	53	32	0.00	0.0
December 2	62	43	0.00	0.0
December 3	69	41	0.00	0.0
December 4	66	36	0.00	0.0
December 5	58	34	0.00	0.0
December 6	54	29	0.00	0.0
December 7	56	36	0.00	0.0
December 8	54	35	0.00	0.0
December 9	63	48	0.00	0.0
December 10	66	41	0.00	0.0
December 11	58	35	0.00	0.0
December 12	39	28	0.00	0.0
December 13	49	25	0.03	0.3
December 14	28	8	0.15	2.2
December 15	49	0	0.00	0.0
December 16	45	18	0.00	0.0
December 17	21	8	0.19	4.6
December 18	47	3	0.00	0.0
December 19	54	22	0.00	0.0
December 20	51	26	0.00	0.0
December 21	49	25	0.00	0.0
December 22	45	25	0.00	0.0
December 23	38	22	0.00	0.0
December 24	41	19	0.00	0.0
December 25	47	27	0.00	0.0
December 26	49	27	0.00	0.0
December 27	49	33	0.00	0.0
December 28	37	21	0.00	0.0
December 29	45	18	0.00	0.0
December 30	58	29	0.00	0.0
December 31	45	19	0.20	3.7

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Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location