Boulder Weather in 1970

Historical record of Boulder, Colorado weather for the year 1970 based on NOAA data.

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1970 Boulder Weather Extremes
Highest temperature	94 °F	August 6
Lowest temperature	-3 °F	January 7
Highest daily low	69 °F	August 18
Lowest daily high	18 °F	January 8
Most daily precipitation	2.1 inches	June 11
Most daily snow	18.5 inches	March 30
Total annual precipitation	16.7 inches	-
Total annual snow	85.9 inches	-

What was the hottest temperature in Boulder in 1970?

The highest temperature recorded in Boulder, Colorado in 1970 was 94 °F which happened on August 6.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 1970

Rank	Temperature	Date
1	94 °F	Aug 6
2	93 °F	Aug 17
2	93 °F	Aug 2
2	93 °F	Aug 1
5	92 °F	Aug 29
5	92 °F	Aug 12
5	92 °F	Jul 16
5	92 °F	Jun 27
9	91 °F	Aug 13
9	91 °F	Jul 17

What was the coldest temperature in Boulder in 1970?

The lowest temperature recorded in Boulder, Colorado in 1970 was -3 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 1970

Rank	Temperature	Date
1	-3 °F	January 7
1	-3 °F	January 6
3	-2 °F	January 8
4	3 °F	January 5
5	5 °F	January 9
6	6 °F	November 23
7	8 °F	December 25
8	9 °F	December 23
8	9 °F	December 11
8	9 °F	January 4

January 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	32	19	0.00	0.0
January 2	33	15	0.00	0.0
January 3	29	14	0.00	0.0
January 4	33	9	0.00	0.0
January 5	18	3	0.10	2.0
January 6	25	-3	0.00	0.0
January 7	26	-3	0.00	0.0
January 8	18	-2	0.00	0.0
January 9	36	5	0.00	0.0
January 10	48	25	0.00	0.0
January 11	47	28	0.00	0.0
January 12	51	27	0.00	0.0
January 13	52	31	0.00	0.0
January 14	55	28	0.00	0.0
January 15	51	29	0.00	0.0
January 16	41	21	0.00	0.0
January 17	45	22	0.00	0.0
January 18	52	20	0.00	0.0
January 19	53	24	0.00	0.0
January 20	56	23	0.00	0.0
January 21	55	30	0.00	0.0
January 22	59	38	0.00	0.0
January 23	65	32	0.00	0.0
January 24	64	42	0.00	0.0
January 25	56	36	0.00	0.0
January 26	57	41	0.00	0.0
January 27	64	40	0.00	0.0
January 28	55	27	0.00	0.0
January 29	36	18	0.00	0.0
January 30	52	17	0.00	0.0
January 31	54	26	0.00	0.0

February 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	54	28	0.00
February 2	37	19	0.00
February 3	54	19	0.00
February 4	49	12	0.03
February 5	53	16	0.00
February 6	58	29	0.00
February 7	56	19	0.00
February 8	58	23	0.00
February 9	64	26	0.00
February 10	57	30	0.00
February 11	53	26	0.00
February 12	58	29	0.00
February 13	50	21	0.00
February 14	51	28	0.00
February 15	56	36	0.00
February 16	69	42	0.00
February 17	68	38	0.00
February 18	53	29	0.00
February 19	45	25	0.00
February 20	52	25	0.00
February 21	58	24	0.00
February 22	58	28	0.00
February 23	58	28	0.00
February 24	51	31	0.00
February 25	58	22	0.00
February 26	61	36	0.00
February 27	55	27	0.00
February 28	55	25	0.00

March 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	50	26	0.00	0.0
March 2	61	29	0.00	0.0
March 3	53	29	0.00	0.0
March 4	56	26	0.00	0.0
March 5	50	37	0.00	0.0
March 6	56	25	0.10	1.5
March 7	66	42	0.00	0.0
March 8	68	45	0.00	0.0
March 9	62	32	0.00	0.0
March 10	35	18	0.25	5.5
March 11	27	16	0.04	0.5
March 12	40	14	0.00	0.0
March 13	50	24	0.00	0.0
March 14	57	28	0.00	0.0
March 15	51	33	0.00	0.0
March 16	49	24	0.07	0.7
March 17	46	28	0.00	0.0
March 18	42	19	0.46	6.5
March 19	38	14	0.01	0.5
March 20	42	15	0.00	0.0
March 21	45	18	0.00	0.0
March 22	50	23	0.10	1.0
March 23	62	28	0.00	0.0
March 24	64	33	0.03	0.3
March 25	43	24	1.01	11.8
March 26	39	18	0.00	0.0
March 27	39	18	0.20	2.5
March 28	49	15	0.00	0.0
March 29	49	30	0.35	4.5
March 30	31	25	1.03	18.5
March 31	32	20	0.21	2.9

April 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	36	15	0.00	0.0
April 2	53	23	0.00	0.0
April 3	45	25	0.20	3.0
April 4	53	21	0.00	0.0
April 5	57	30	0.00	0.0
April 6	66	30	0.00	0.0
April 7	69	36	0.00	0.0
April 8	62	32	0.00	0.0
April 9	65	35	0.00	0.0
April 10	66	38	0.00	0.0
April 11	63	36	0.00	0.0
April 12	50	32	0.00	0.0
April 13	52	26	0.00	0.0
April 14	66	27	0.00	0.0
April 15	56	30	0.00	0.0
April 16	58	30	0.00	0.0
April 17	53	33	0.00	0.0
April 18	42	29	0.41	4.5
April 19	52	29	0.00	0.0
April 20	50	28	0.00	0.0
April 21	55	29	0.02	0.0
April 22	51	32	0.00	0.0
April 23	58	30	0.00	0.0
April 24	61	32	0.00	0.0
April 25	72	41	0.00	0.0
April 26	78	48	0.00	0.0
April 27	78	50	0.00	0.0
April 28	73	42	0.00	0.0
April 29	58	35	0.00	0.0
April 30	51	32	0.00	0.0

May 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	50	29	0.04
May 2	66	33	0.00
May 3	75	41	0.00
May 4	78	47	0.00
May 5	81	44	0.00
May 6	76	48	0.00
May 7	76	50	0.00
May 8	64	44	0.00
May 9	67	46	0.03
May 10	77	44	0.00
May 11	n/a	43	0.00
May 12	75	48	0.00
May 13	74	48	0.00
May 14	62	42	0.11
May 15	67	34	0.00
May 16	78	47	0.00
May 17	86	53	0.00
May 18	87	60	0.00
May 19	85	55	0.00
May 20	85	64	0.00
May 21	81	52	0.01
May 22	74	52	0.26
May 23	76	47	0.00
May 24	74	52	0.00
May 25	70	47	0.00
May 26	80	50	0.00
May 27	77	54	0.00
May 28	72	49	0.02
May 29	77	44	0.00
May 30	75	49	0.18
May 31	75	43	0.52

June 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	63	39	0.00
June 2	70	44	0.00
June 3	71	45	0.00
June 4	70	47	0.00
June 5	73	44	0.00
June 6	79	46	0.00
June 7	78	53	0.00
June 8	80	56	0.00
June 9	78	58	0.12
June 10	76	55	0.01
June 11	57	45	2.11
June 12	70	42	0.11
June 13	72	41	0.00
June 14	79	52	0.00
June 15	79	55	0.03
June 16	82	53	0.00
June 17	n/a	53	0.00
June 18	82	52	0.00
June 19	80	54	0.00
June 20	79	56	0.00
June 21	77	55	0.00
June 22	83	58	0.00
June 23	86	63	0.07
June 24	88	58	0.03
June 25	89	65	0.00
June 26	89	61	0.00
June 27	92	62	0.04
June 28	89	65	0.07
June 29	84	60	0.02
June 30	85	60	0.00

July 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	81	56	0.64
July 2	88	62	0.00
July 3	88	61	0.00
July 4	85	61	0.00
July 5	88	63	0.00
July 6	87	61	0.00
July 7	81	63	0.26
July 8	86	58	0.00
July 9	89	62	0.00
July 10	86	62	0.00
July 11	86	62	0.09
July 12	86	59	0.00
July 13	90	58	0.00
July 14	89	64	0.00
July 15	83	56	0.00
July 16	92	58	0.00
July 17	91	65	0.01
July 18	90	69	0.00
July 19	82	62	0.00
July 20	n/a	54	0.22
July 21	85	56	0.00
July 22	82	64	0.04
July 23	84	60	0.06
July 24	83	58	0.00
July 25	86	58	0.00
July 26	85	69	0.01
July 27	83	59	0.00
July 28	88	58	0.00
July 29	89	61	0.00
July 30	90	60	0.02
July 31	86	62	0.00

August 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	93	62	0.00
August 2	93	63	0.00
August 3	85	62	0.00
August 4	87	61	0.00
August 5	90	59	0.01
August 6	94	56	0.00
August 7	n/a	55	0.00
August 8	89	63	0.00
August 9	79	62	0.00
August 10	82	57	0.00
August 11	88	59	0.00
August 12	92	62	0.00
August 13	91	62	0.00
August 14	90	68	0.00
August 15	76	59	0.00
August 16	85	53	0.00
August 17	93	61	0.00
August 18	89	69	0.00
August 19	87	66	0.00
August 20	77	61	0.04
August 21	77	57	0.10
August 22	80	55	0.00
August 23	84	58	0.00
August 24	86	58	0.00
August 25	90	59	0.00
August 26	89	63	0.00
August 27	88	61	0.00
August 28	89	60	0.05
August 29	92	61	0.00
August 30	77	63	0.00
August 31	86	58	0.00

September 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	86	59	0.14	0.0
September 2	84	58	0.15	0.0
September 3	85	54	0.00	0.0
September 4	83	55	0.00	0.0
September 5	77	57	0.00	0.0
September 6	76	61	0.00	0.0
September 7	82	54	0.00	0.0
September 8	86	53	0.00	0.0
September 9	84	53	0.00	0.0
September 10	72	40	0.00	0.0
September 11	86	57	0.00	0.0
September 12	81	37	0.10	0.0
September 13	52	38	0.22	0.0
September 14	52	40	0.05	0.0
September 15	61	43	0.01	0.0
September 16	70	45	0.00	0.0
September 17	76	46	0.00	0.0
September 18	82	52	0.00	0.0
September 19	85	62	0.00	0.0
September 20	83	56	0.00	0.0
September 21	79	46	0.15	0.0
September 22	54	34	1.47	0.0
September 23	72	40	0.00	0.0
September 24	68	47	0.00	0.0
September 25	58	32	1.54	1.5
September 26	60	33	0.00	0.0
September 27	65	39	0.00	0.0
September 28	69	42	0.00	0.0
September 29	75	50	0.00	0.0
September 30	75	50	0.00	0.0

October 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	73	49	0.00	0.0
October 2	72	46	0.00	0.0
October 3	68	44	0.00	0.0
October 4	80	51	0.00	0.0
October 5	75	53	0.00	0.0
October 6	71	56	0.00	0.0
October 7	56	23	0.43	3.5
October 8	44	22	0.00	0.0
October 9	52	25	0.00	0.0
October 10	45	34	0.04	0.0
October 11	58	30	0.08	0.0
October 12	74	40	0.00	0.0
October 13	68	38	0.01	0.0
October 14	46	30	0.44	2.5
October 15	47	20	0.00	0.0
October 16	54	29	0.00	0.0
October 17	57	33	0.00	0.0
October 18	59	35	0.00	0.0
October 19	59	36	0.00	0.0
October 20	64	40	0.00	0.0
October 21	61	47	0.00	0.0
October 22	58	41	0.00	0.0
October 23	61	36	0.01	0.0
October 24	65	39	0.00	0.0
October 25	55	37	0.00	0.0
October 26	45	29	0.08	0.2
October 27	45	25	0.00	0.0
October 28	51	31	0.00	0.0
October 29	59	41	0.00	0.0
October 30	58	36	0.00	0.0
October 31	46	29	0.00	0.0

November 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	41	32	0.04	0.0
November 2	41	22	0.00	0.0
November 3	37	20	0.09	1.0
November 4	47	23	0.00	0.0
November 5	62	29	0.00	0.0
November 6	65	44	0.00	0.0
November 7	52	39	0.00	0.0
November 8	53	39	0.23	0.0
November 9	59	36	0.00	0.0
November 10	63	41	0.00	0.0
November 11	49	28	0.02	0.0
November 12	51	32	0.03	0.0
November 13	40	32	0.85	2.0
November 14	35	27	0.10	1.5
November 15	50	25	0.00	0.0
November 16	60	37	0.00	0.0
November 17	54	38	0.00	0.0
November 18	47	34	0.00	0.0
November 19	44	26	0.00	0.0
November 20	58	26	0.00	0.0
November 21	59	40	0.00	0.0
November 22	51	18	0.00	0.5
November 23	25	6	0.07	3.0
November 24	65	20	0.00	0.0
November 25	69	50	0.00	0.0
November 26	59	33	0.17	0.0
November 27	47	29	0.00	0.0
November 28	58	26	0.00	0.0
November 29	60	45	0.00	0.0
November 30	59	36	0.00	0.0

December 1970 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	56	41	0.00	0.0
December 2	53	29	0.00	0.0
December 3	50	33	0.00	0.0
December 4	58	34	0.00	0.0
December 5	56	25	0.00	0.0
December 6	62	32	0.00	0.0
December 7	66	30	0.00	0.0
December 8	62	41	0.00	0.0
December 9	53	32	0.00	0.0
December 10	41	20	0.02	1.0
December 11	33	9	0.00	0.0
December 12	41	23	0.00	0.0
December 13	44	19	0.00	0.0
December 14	55	24	0.00	0.0
December 15	43	31	0.00	0.0
December 16	55	22	0.00	0.0
December 17	51	29	0.00	0.0
December 18	34	24	0.16	3.0
December 19	37	11	0.00	0.0
December 20	33	18	0.00	0.0
December 21	42	14	0.00	0.0
December 22	42	31	0.00	0.0
December 23	32	9	0.00	0.0
December 24	38	14	0.00	0.0
December 25	35	8	0.00	0.0
December 26	38	23	0.00	0.0
December 27	44	24	0.00	0.0
December 28	42	26	0.00	0.0
December 29	51	29	0.00	0.0
December 30	45	29	0.00	0.0
December 31	52	31	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location