Boulder Weather in 1966

Historical record of Boulder, Colorado weather for the year 1966 based on NOAA data.

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1966 Boulder Weather Extremes
Highest temperature	97 °F	July 31
Lowest temperature	-5 °F	January 21
Highest daily low	74 °F	July 26
Lowest daily high	22 °F	December 27
Most daily precipitation	0.9 inches	September 2
Most daily snow	6.4 inches	February 13
Total annual precipitation	11.1 inches	-
Total annual snow	66.3 inches	-

What was the hottest temperature in Boulder in 1966?

The highest temperature recorded in Boulder, Colorado in 1966 was 97 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 1966

Rank	Temperature	Date
1	97 °F	Jul 31
1	97 °F	Jul 30
1	97 °F	Jul 4
4	96 °F	Aug 16
4	96 °F	Jul 26
4	96 °F	Jul 16
4	96 °F	Jul 5
8	95 °F	Aug 26
8	95 °F	Aug 11
8	95 °F	Jul 25
8	95 °F	Jul 15
8	95 °F	Jul 9
8	95 °F	Jul 3
8	95 °F	Jun 28

What was the coldest temperature in Boulder in 1966?

The lowest temperature recorded in Boulder, Colorado in 1966 was -5 °F which happened on Jan 21.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 1966

Rank	Temperature	Date
1	-5 °F	January 21
2	2 °F	January 25
3	4 °F	February 16
3	4 °F	January 20
5	5 °F	January 28
6	6 °F	December 27
6	6 °F	January 22
8	7 °F	February 14
8	7 °F	February 11
10	8 °F	December 28
10	8 °F	February 15
10	8 °F	January 24
10	8 °F	January 2

January 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	42	25	0.03	1.0
January 2	39	8	0.05	2.4
January 3	48	21	0.00	0.0
January 4	51	20	0.00	0.0
January 5	54	30	0.00	0.0
January 6	55	29	0.00	0.0
January 7	58	26	0.00	0.0
January 8	69	40	0.00	0.0
January 9	55	42	0.00	0.0
January 10	56	24	0.00	0.0
January 11	60	27	0.00	0.0
January 12	45	26	0.00	0.0
January 13	48	25	0.00	0.0
January 14	49	27	0.00	0.0
January 15	38	29	0.00	0.0
January 16	38	12	0.02	1.4
January 17	42	13	0.00	0.0
January 18	45	12	0.00	0.0
January 19	33	17	0.00	0.5
January 20	32	4	0.06	1.6
January 21	25	-5	0.04	0.4
January 22	28	6	0.00	0.0
January 23	35	10	0.00	0.0
January 24	36	8	0.00	0.0
January 25	36	2	0.00	0.0
January 26	50	19	0.00	0.0
January 27	46	15	0.00	0.0
January 28	43	5	0.00	0.0
January 29	33	11	0.00	0.0
January 30	56	10	0.00	0.0
January 31	44	20	0.00	0.0

February 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	36	12	0.07	1.4
February 2	37	11	0.00	0.0
February 3	46	15	0.00	0.0
February 4	54	22	0.00	0.0
February 5	57	32	0.00	0.0
February 6	53	24	0.00	0.0
February 7	47	28	0.00	0.0
February 8	43	28	0.26	6.0
February 9	35	22	0.23	3.9
February 10	37	12	0.00	0.0
February 11	35	7	0.00	0.0
February 12	48	18	0.10	1.5
February 13	29	10	0.46	6.4
February 14	31	7	0.00	0.0
February 15	26	8	0.00	0.0
February 16	40	4	0.00	0.0
February 17	48	12	0.00	0.0
February 18	51	27	0.00	0.0
February 19	47	24	0.00	0.0
February 20	47	23	0.00	0.0
February 21	44	17	0.00	0.0
February 22	43	22	0.11	3.1
February 23	44	14	0.00	0.0
February 24	51	24	0.00	0.0
February 25	48	29	0.00	0.0
February 26	48	24	0.00	0.0
February 27	49	22	0.10	1.6
February 28	52	27	0.00	0.0

March 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	52	27	0.00	0.0
March 2	48	25	0.00	0.0
March 3	32	15	0.06	1.3
March 4	32	15	0.00	0.0
March 5	46	20	0.00	0.0
March 6	49	18	0.00	0.0
March 7	61	23	0.00	0.0
March 8	58	35	0.00	0.0
March 9	69	33	0.00	0.0
March 10	67	47	0.00	0.0
March 11	59	32	0.00	0.0
March 12	64	28	0.00	0.0
March 13	71	27	0.00	0.0
March 14	70	47	0.00	0.0
March 15	71	45	0.00	0.0
March 16	74	38	0.00	0.0
March 17	65	35	0.00	0.0
March 18	60	29	0.00	0.0
March 19	71	35	0.00	0.0
March 20	65	47	0.00	0.0
March 21	65	32	0.00	0.0
March 22	53	27	0.25	2.5
March 23	42	14	0.00	0.0
March 24	62	19	0.00	0.0
March 25	59	35	0.00	0.0
March 26	64	27	0.00	0.0
March 27	66	36	0.00	0.0
March 28	69	42	0.00	0.0
March 29	66	40	0.00	0.0
March 30	71	41	0.00	0.0
March 31	77	56	0.00	0.0

April 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	68	34	0.00	0.0
April 2	70	48	0.00	0.0
April 3	49	34	0.00	0.0
April 4	40	26	0.16	1.6
April 5	56	24	0.00	0.0
April 6	69	37	0.00	0.0
April 7	70	35	0.00	0.0
April 8	62	28	0.00	0.0
April 9	75	32	0.00	0.0
April 10	69	31	0.00	0.0
April 11	62	40	0.00	0.0
April 12	62	37	0.17	0.0
April 13	62	33	0.07	0.0
April 14	65	36	0.11	0.0
April 15	74	45	0.00	0.0
April 16	71	49	0.00	0.0
April 17	69	35	0.25	0.3
April 18	46	31	0.13	1.1
April 19	34	13	0.21	5.0
April 20	44	15	0.05	1.0
April 21	58	24	0.00	0.0
April 22	50	35	0.05	0.0
April 23	66	37	0.01	0.0
April 24	69	43	0.00	0.0
April 25	76	44	0.00	0.0
April 26	80	55	0.00	0.0
April 27	76	36	0.00	0.0
April 28	63	27	0.00	0.0
April 29	61	38	0.00	0.0
April 30	61	31	0.00	0.0

May 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	72	35	0.00	0.0
May 2	81	47	0.00	0.0
May 3	83	59	0.00	0.0
May 4	85	56	0.00	0.0
May 5	88	58	0.00	0.0
May 6	86	59	0.00	0.0
May 7	86	64	0.00	0.0
May 8	79	54	0.02	0.0
May 9	55	41	0.18	0.0
May 10	69	44	0.23	0.0
May 11	61	39	0.00	0.0
May 12	46	28	0.35	2.6
May 13	68	30	0.00	0.0
May 14	80	41	0.00	0.0
May 15	76	57	0.00	0.0
May 16	82	53	0.00	0.0
May 17	n/a	52	0.00	0.0
May 18	n/a	45	0.02	0.0
May 19	77	38	0.00	0.0
May 20	83	47	0.00	0.0
May 21	87	52	0.00	0.0
May 22	84	61	0.00	0.0
May 23	78	47	0.00	0.0
May 24	76	43	0.00	0.0
May 25	85	50	0.00	0.0
May 26	86	51	0.00	0.0
May 27	86	52	0.00	0.0
May 28	83	52	0.00	0.0
May 29	83	53	0.00	0.0
May 30	86	53	0.00	0.0
May 31	82	58	0.00	0.0

June 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	82	58	0.02
June 2	89	54	0.00
June 3	86	52	0.00
June 4	86	52	0.00
June 5	80	54	0.00
June 6	72	44	0.00
June 7	72	53	0.01
June 8	64	45	0.80
June 9	59	42	0.15
June 10	80	49	0.00
June 11	81	55	0.00
June 12	79	49	0.00
June 13	76	49	0.00
June 14	87	49	0.00
June 15	71	49	0.00
June 16	69	46	0.07
June 17	66	51	0.15
June 18	79	50	0.03
June 19	87	61	0.02
June 20	91	60	0.01
June 21	84	59	0.00
June 22	88	57	0.24
June 23	85	54	0.00
June 24	91	56	0.00
June 25	90	55	0.00
June 26	81	54	0.00
June 27	91	55	0.00
June 28	95	65	0.00
June 29	91	66	0.00
June 30	89	65	0.04

July 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	63	0.43
July 2	90	58	0.00
July 3	95	65	0.00
July 4	97	58	0.00
July 5	96	68	0.00
July 6	93	65	0.00
July 7	93	58	0.00
July 8	94	66	0.00
July 9	95	68	0.00
July 10	92	70	0.00
July 11	90	69	0.02
July 12	90	66	0.02
July 13	89	67	0.00
July 14	n/a	63	0.00
July 15	95	59	0.00
July 16	96	62	0.00
July 17	93	67	0.00
July 18	90	68	0.02
July 19	86	67	0.00
July 20	85	58	0.10
July 21	87	59	0.05
July 22	86	64	0.20
July 23	86	62	0.00
July 24	87	58	0.03
July 25	95	59	0.00
July 26	96	74	0.00
July 27	92	66	0.00
July 28	86	67	0.05
July 29	88	64	0.00
July 30	97	61	0.00
July 31	97	67	0.00

August 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	81	66	0.15
August 2	84	67	0.24
August 3	84	60	0.02
August 4	81	59	0.05
August 5	87	54	0.00
August 6	92	61	0.00
August 7	84	57	0.00
August 8	79	56	0.00
August 9	77	58	0.00
August 10	82	54	0.00
August 11	95	56	0.00
August 12	89	60	0.00
August 13	85	50	0.00
August 14	90	61	0.00
August 15	87	55	0.00
August 16	96	63	0.00
August 17	94	73	0.00
August 18	87	56	0.00
August 19	85	66	0.00
August 20	77	57	0.06
August 21	74	52	0.06
August 22	76	46	0.00
August 23	76	52	0.00
August 24	82	48	0.00
August 25	87	57	0.00
August 26	95	60	0.00
August 27	92	56	0.00
August 28	86	63	0.00
August 29	88	58	0.08
August 30	89	55	0.00
August 31	80	58	0.09

September 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	76	56	0.57
September 2	75	49	0.92
September 3	75	53	0.02
September 4	80	54	0.00
September 5	83	64	0.00
September 6	83	51	0.00
September 7	84	52	0.19
September 8	88	54	0.00
September 9	86	57	0.00
September 10	83	57	0.00
September 11	82	52	0.00
September 12	80	57	0.02
September 13	72	55	0.00
September 14	70	48	0.20
September 15	58	41	0.33
September 16	74	47	0.06
September 17	74	47	0.00
September 18	75	41	0.00
September 19	72	44	0.00
September 20	84	45	0.00
September 21	85	41	0.00
September 22	87	50	0.00
September 23	82	54	0.00
September 24	86	64	0.00
September 25	80	55	0.01
September 26	72	54	0.00
September 27	64	49	0.35
September 28	77	46	0.00
September 29	80	47	0.02
September 30	80	36	0.02

October 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	70	32	0.00	0.0
October 2	79	50	0.00	0.0
October 3	68	39	0.01	0.0
October 4	62	31	0.00	0.0
October 5	72	37	0.00	0.0
October 6	75	46	0.00	0.0
October 7	77	44	0.00	0.0
October 8	78	55	0.00	0.0
October 9	78	46	0.00	0.0
October 10	70	38	0.00	0.0
October 11	79	41	0.00	0.0
October 12	77	49	0.00	0.0
October 13	68	43	0.00	0.0
October 14	55	32	0.44	3.0
October 15	52	24	0.00	0.0
October 16	53	27	0.00	0.0
October 17	62	29	0.00	0.0
October 18	55	33	0.00	0.0
October 19	72	26	0.00	0.0
October 20	75	40	0.00	0.0
October 21	72	46	0.00	0.0
October 22	55	30	0.00	0.0
October 23	63	37	0.00	0.0
October 24	69	41	0.00	0.0
October 25	75	43	0.00	0.0
October 26	81	38	0.00	0.0
October 27	76	42	0.00	0.0
October 28	65	41	0.00	0.0
October 29	61	32	0.00	0.0
October 30	78	38	0.00	0.0
October 31	66	32	0.15	3.1

November 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	44	23	0.00	0.0
November 2	66	21	0.00	0.0
November 3	60	30	0.00	0.0
November 4	43	26	0.14	3.4
November 5	64	21	0.00	0.0
November 6	66	45	0.00	0.0
November 7	66	41	0.00	0.0
November 8	53	28	0.00	0.0
November 9	32	9	0.35	5.0
November 10	45	14	0.00	0.0
November 11	43	24	0.00	0.0
November 12	56	24	0.00	0.0
November 13	59	31	0.00	0.0
November 14	52	29	0.00	0.0
November 15	71	38	0.00	0.0
November 16	66	38	0.00	0.0
November 17	63	41	0.00	0.0
November 18	56	34	0.00	0.0
November 19	59	31	0.00	0.0
November 20	68	32	0.00	0.0
November 21	69	50	0.00	0.0
November 22	69	35	0.00	0.0
November 23	51	28	0.00	0.0
November 24	51	26	0.00	0.0
November 25	58	27	0.00	0.0
November 26	50	33	0.00	0.0
November 27	43	18	0.00	0.0
November 28	60	26	0.00	0.0
November 29	58	38	0.00	0.0
November 30	50	35	0.00	0.0

December 1966 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	37	16	0.00	0.0
December 2	39	17	0.00	0.0
December 3	40	21	0.00	0.0
December 4	49	24	0.00	0.0
December 5	61	27	0.00	0.0
December 6	55	29	0.25	3.2
December 7	46	27	0.00	0.0
December 8	42	24	0.00	0.0
December 9	34	18	0.00	0.0
December 10	50	12	0.00	0.0
December 11	47	22	0.00	0.0
December 12	49	22	0.00	0.0
December 13	60	31	0.00	0.0
December 14	54	29	0.00	0.0
December 15	47	25	0.00	0.0
December 16	63	23	0.00	0.0
December 17	59	34	0.00	0.0
December 18	60	40	0.00	0.0
December 19	65	39	0.00	0.0
December 20	66	38	0.00	0.0
December 21	53	29	0.00	0.0
December 22	36	20	0.00	0.0
December 23	44	13	0.00	0.0
December 24	52	11	0.00	0.0
December 25	32	14	0.00	0.0
December 26	30	13	0.00	0.0
December 27	22	6	0.02	2.0
December 28	35	8	0.00	0.0
December 29	32	9	0.00	0.0
December 30	36	19	0.00	0.0
December 31	41	18	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location