Boulder Weather in 1945

Historical record of Boulder, Colorado weather for the year 1945 based on NOAA data.

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1945 Boulder Weather Extremes
Highest temperature	93 °F	September 4
Lowest temperature	1 °F	December 19
Highest daily low	68 °F	July 25
Lowest daily high	21 °F	December 18
Most daily precipitation	1.7 inches	July 1
Most daily snow	12.0 inches	April 2
Total annual precipitation	22.7 inches	-
Total annual snow	90.8 inches	-

What was the hottest temperature in Boulder in 1945?

The highest temperature recorded in Boulder, Colorado in 1945 was 93 °F which happened 4 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 1945

Rank	Temperature	Date
1	93 °F	Sep 4
1	93 °F	Sep 3
1	93 °F	Aug 18
1	93 °F	Jul 29
5	92 °F	Aug 17
5	92 °F	Jul 26
7	91 °F	Sep 5
8	90 °F	Sep 6
8	90 °F	Aug 24
8	90 °F	Aug 19
8	90 °F	Aug 16
8	90 °F	Jul 28
8	90 °F	Jul 23
8	90 °F	Jul 17

What was the coldest temperature in Boulder in 1945?

The lowest temperature recorded in Boulder, Colorado in 1945 was 1 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 1945

Rank	Temperature	Date
1	1 °F	December 19
1	1 °F	December 18
1	1 °F	December 15
4	4 °F	March 5
4	4 °F	January 30
6	5 °F	December 16
6	5 °F	December 13
6	5 °F	March 6
6	5 °F	February 26
6	5 °F	January 28

January 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	43	10	0.00	0.0
January 2	43	9	0.00	0.0
January 3	45	20	0.00	0.0
January 4	58	28	0.00	0.0
January 5	51	32	0.00	0.0
January 6	43	28	0.00	0.0
January 7	53	25	0.00	0.0
January 8	55	36	0.00	0.0
January 9	61	29	0.00	0.0
January 10	52	31	0.00	0.0
January 11	60	32	0.00	0.0
January 12	58	34	0.00	0.0
January 13	61	36	0.00	0.0
January 14	56	42	0.00	0.0
January 15	44	23	0.00	0.0
January 16	44	25	0.00	0.0
January 17	44	26	0.00	0.0
January 18	45	23	0.00	0.0
January 19	29	25	0.22	3.2
January 20	26	16	0.00	0.0
January 21	36	15	0.13	1.5
January 22	44	16	0.00	0.0
January 23	43	21	0.00	0.0
January 24	38	26	0.02	0.3
January 25	50	29	0.27	3.0
January 26	40	26	0.00	0.0
January 27	26	18	0.27	5.5
January 28	40	5	0.28	5.5
January 29	22	11	0.01	0.2
January 30	25	4	0.06	1.1
January 31	31	12	0.00	0.0

February 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	44	16	0.00	0.0
February 2	44	21	0.00	0.0
February 3	52	32	0.00	0.0
February 4	46	31	0.00	0.0
February 5	54	27	0.00	0.0
February 6	43	36	0.00	0.0
February 7	52	28	0.01	0.0
February 8	68	34	0.00	0.0
February 9	52	36	0.00	0.0
February 10	47	24	0.09	0.5
February 11	45	28	0.00	0.0
February 12	51	28	0.00	0.0
February 13	62	26	0.00	0.0
February 14	61	28	0.00	0.0
February 15	n/a	35	0.03	0.0
February 16	n/a	22	0.00	0.0
February 17	25	14	0.04	0.5
February 18	26	15	0.00	0.0
February 19	40	22	0.01	0.2
February 20	35	23	0.00	0.0
February 21	38	22	0.15	1.8
February 22	46	16	0.00	0.0
February 23	40	22	0.00	0.0
February 24	37	20	0.00	0.0
February 25	n/a	13	0.21	4.0
February 26	35	5	0.12	2.0
February 27	36	14	0.00	0.0
February 28	41	20	0.00	0.0

March 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	48	25	0.00	0.0
March 2	33	25	0.58	5.5
March 3	41	15	0.04	1.0
March 4	43	20	0.00	0.0
March 5	n/a	4	0.02	0.6
March 6	29	5	0.25	2.0
March 7	39	8	0.00	0.0
March 8	46	19	0.00	0.0
March 9	52	20	0.00	0.0
March 10	65	31	0.00	0.0
March 11	58	32	0.00	0.0
March 12	65	32	0.00	0.0
March 13	65	34	0.00	0.0
March 14	58	41	0.00	0.0
March 15	48	35	0.00	0.0
March 16	48	31	0.01	0.0
March 17	56	31	0.00	0.0
March 18	51	28	0.00	0.0
March 19	48	24	0.17	1.8
March 20	64	27	0.00	0.0
March 21	74	n/a	0.00	0.0
March 22	63	37	0.00	0.0
March 23	63	42	0.00	0.0
March 24	60	33	0.00	0.0
March 25	68	34	0.00	0.0
March 26	67	36	0.00	0.0
March 27	51	35	0.00	0.0
March 28	52	29	0.00	0.0
March 29	54	30	0.00	0.0
March 30	59	31	0.00	0.0
March 31	67	35	0.00	0.0

April 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	n/a	32	0.00	0.0
April 2	34	26	1.10	12.0
April 3	26	12	0.25	5.0
April 4	41	9	0.08	1.2
April 5	53	12	0.00	0.0
April 6	65	23	0.00	0.0
April 7	67	39	0.00	0.0
April 8	71	40	0.00	0.0
April 9	76	50	0.00	0.0
April 10	n/a	31	0.01	0.0
April 11	50	25	0.00	0.0
April 12	50	29	0.00	0.0
April 13	38	28	0.00	0.0
April 14	n/a	18	0.66	8.0
April 15	33	15	0.20	2.0
April 16	39	23	0.09	1.0
April 17	46	21	0.16	1.8
April 18	56	28	0.00	0.0
April 19	68	32	0.00	0.0
April 20	76	42	0.00	0.0
April 21	78	44	0.00	0.0
April 22	61	48	0.00	0.0
April 23	49	31	0.90	1.0
April 24	50	32	0.13	0.5
April 25	42	33	0.08	0.0
April 26	50	30	0.36	0.0
April 27	56	36	0.10	0.0
April 28	64	37	0.00	0.0
April 29	66	42	0.00	0.0
April 30	72	37	0.00	0.0

May 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	72	47	0.00	0.0
May 2	62	47	0.00	0.0
May 3	60	32	0.00	0.0
May 4	72	36	0.00	0.0
May 5	78	45	0.00	0.0
May 6	69	48	0.00	0.0
May 7	67	36	0.10	0.0
May 8	63	40	0.02	0.0
May 9	72	43	0.00	0.0
May 10	80	42	0.01	0.0
May 11	70	47	0.00	0.0
May 12	80	44	0.00	0.0
May 13	81	47	0.00	0.0
May 14	n/a	42	0.25	0.0
May 15	43	32	0.41	0.0
May 16	58	32	0.13	0.0
May 17	78	41	0.00	0.0
May 18	81	48	0.00	0.0
May 19	82	49	0.00	0.0
May 20	n/a	48	0.00	0.0
May 21	53	32	0.92	0.5
May 22	66	35	0.05	0.0
May 23	75	44	0.00	0.0
May 24	80	47	0.00	0.0
May 25	80	51	0.00	0.0
May 26	84	46	0.00	0.0
May 27	67	52	0.00	0.0
May 28	67	47	1.02	0.0
May 29	55	48	0.58	0.0
May 30	69	47	0.35	0.0
May 31	67	44	0.02	0.0

June 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	70	49	0.00
June 2	71	46	0.00
June 3	66	47	0.00
June 4	70	48	0.08
June 5	60	45	0.47
June 6	63	44	0.14
June 7	68	44	0.01
June 8	65	49	0.00
June 9	67	44	0.25
June 10	64	41	0.03
June 11	66	45	0.25
June 12	78	48	0.00
June 13	88	47	0.00
June 14	62	48	0.00
June 15	51	39	0.18
June 16	65	38	0.14
June 17	73	43	0.00
June 18	72	41	0.00
June 19	76	50	0.00
June 20	78	52	0.00
June 21	78	52	0.00
June 22	83	57	0.00
June 23	82	60	0.00
June 24	74	54	0.11
June 25	82	57	0.01
June 26	86	54	0.00
June 27	87	64	0.00
June 28	78	47	0.00
June 29	78	46	0.00
June 30	67	50	0.38

July 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	68	45	1.73
July 2	82	47	0.00
July 3	86	55	0.01
July 4	89	63	0.00
July 5	78	57	0.00
July 6	80	52	0.00
July 7	75	50	0.00
July 8	85	51	0.00
July 9	78	58	0.00
July 10	75	55	0.00
July 11	79	53	0.05
July 12	81	57	0.06
July 13	80	55	0.10
July 14	83	57	0.03
July 15	87	55	0.04
July 16	83	56	0.09
July 17	90	57	0.00
July 18	89	58	0.00
July 19	83	64	0.00
July 20	83	61	0.24
July 21	88	62	0.00
July 22	87	60	0.00
July 23	90	68	0.00
July 24	86	62	0.00
July 25	85	68	0.00
July 26	92	58	0.00
July 27	82	60	0.00
July 28	90	57	0.00
July 29	93	61	0.00
July 30	86	61	0.00
July 31	88	64	0.00

August 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	66	0.00
August 2	86	60	0.29
August 3	84	60	0.01
August 4	85	62	0.00
August 5	78	57	0.18
August 6	79	59	0.43
August 7	76	55	0.31
August 8	80	57	0.06
August 9	82	57	0.16
August 10	82	55	0.23
August 11	85	59	0.00
August 12	81	63	0.00
August 13	83	58	0.35
August 14	78	56	0.08
August 15	82	57	0.00
August 16	90	59	0.00
August 17	92	67	0.00
August 18	93	67	0.00
August 19	90	62	0.00
August 20	72	58	0.00
August 21	72	47	0.98
August 22	74	46	0.38
August 23	84	47	0.00
August 24	90	55	0.00
August 25	83	58	0.05
August 26	83	58	0.06
August 27	84	55	0.23
August 28	85	61	0.00
August 29	84	61	0.00
August 30	86	59	0.03
August 31	82	58	0.03

September 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	86	59	0.00	0.0
September 2	87	61	0.00	0.0
September 3	93	63	0.00	0.0
September 4	93	63	0.00	0.0
September 5	91	62	0.00	0.0
September 6	90	58	0.00	0.0
September 7	74	54	0.02	0.0
September 8	84	47	0.00	0.0
September 9	67	47	0.00	0.0
September 10	74	45	0.00	0.0
September 11	84	46	0.00	0.0
September 12	64	43	0.22	0.0
September 13	74	40	0.00	0.0
September 14	82	41	0.00	0.0
September 15	73	46	0.00	0.0
September 16	67	53	0.00	0.0
September 17	72	45	0.00	0.0
September 18	69	42	0.00	0.0
September 19	58	35	0.00	0.0
September 20	76	37	0.00	0.0
September 21	81	45	0.00	0.0
September 22	79	54	0.00	0.0
September 23	n/a	41	0.00	0.0
September 24	64	41	0.03	0.0
September 25	66	41	0.00	0.0
September 26	66	40	0.00	0.0
September 27	46	42	0.04	0.0
September 28	n/a	23	0.36	2.0
September 29	45	25	0.00	0.0
September 30	52	35	0.02	0.0

October 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	66	37	0.39	0.0
October 2	72	41	0.00	0.0
October 3	76	45	0.00	0.0
October 4	76	50	0.00	0.0
October 5	78	43	0.00	0.0
October 6	69	44	0.00	0.0
October 7	76	50	0.00	0.0
October 8	n/a	37	0.00	0.0
October 9	73	39	0.00	0.0
October 10	74	n/a	0.00	0.0
October 11	70	45	0.00	0.0
October 12	68	48	0.00	0.0
October 13	n/a	45	0.30	0.0
October 14	67	43	0.05	0.0
October 15	73	44	0.00	0.0
October 16	74	46	0.00	0.0
October 17	72	46	0.00	0.0
October 18	73	46	0.00	0.0
October 19	65	32	0.00	0.0
October 20	73	44	0.00	0.0
October 21	57	29	0.50	4.0
October 22	53	27	0.00	0.0
October 23	37	30	0.21	1.0
October 24	60	22	0.01	0.1
October 25	66	34	0.00	0.0
October 26	77	40	0.00	0.0
October 27	75	44	0.00	0.0
October 28	68	50	0.00	0.0
October 29	65	34	0.00	0.0
October 30	71	41	0.00	0.0
October 31	74	41	0.00	0.0

November 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	57	44	0.00	0.0
November 2	53	34	0.00	0.0
November 3	60	28	0.11	1.0
November 4	71	30	0.00	0.0
November 5	73	58	0.00	0.0
November 6	67	49	0.00	0.0
November 7	63	50	0.00	0.0
November 8	n/a	22	0.34	3.4
November 9	43	16	0.00	0.0
November 10	53	22	0.00	0.0
November 11	53	28	0.00	0.0
November 12	45	28	0.00	0.0
November 13	43	25	0.00	0.0
November 14	57	22	0.00	0.0
November 15	68	28	0.00	0.0
November 16	54	34	0.00	0.0
November 17	54	35	0.00	0.0
November 18	48	27	0.00	0.0
November 19	67	29	0.00	0.0
November 20	n/a	25	0.07	1.1
November 21	32	15	0.09	1.0
November 22	34	12	0.00	0.0
November 23	56	23	0.00	0.0
November 24	57	30	0.00	0.0
November 25	63	35	0.00	0.0
November 26	51	35	0.00	0.0
November 27	63	37	0.00	0.0
November 28	63	37	0.00	0.0
November 29	68	36	0.00	0.0
November 30	55	40	0.00	0.0

December 1945 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	n/a	29	0.45	0.2
December 2	39	25	0.20	0.2
December 3	45	23	n/a	0.0
December 4	57	25	n/a	0.0
December 5	57	30	n/a	0.0
December 6	51	32	n/a	0.0
December 7	55	35	n/a	0.0
December 8	44	24	n/a	0.0
December 9	n/a	14	0.01	0.2
December 10	29	10	n/a	0.0
December 11	33	14	n/a	0.0
December 12	23	15	n/a	0.0
December 13	29	5	0.06	3.0
December 14	26	6	n/a	0.0
December 15	32	1	n/a	0.0
December 16	39	5	n/a	0.0
December 17	30	14	n/a	0.0
December 18	21	1	0.02	0.4
December 19	44	1	0.00	0.0
December 20	57	9	n/a	0.0
December 21	55	34	n/a	0.0
December 22	50	28	n/a	0.0
December 23	47	20	n/a	0.0
December 24	45	24	n/a	0.0
December 25	40	24	n/a	0.0
December 26	43	27	n/a	0.0
December 27	50	24	n/a	0.0
December 28	53	34	n/a	0.0
December 29	56	34	n/a	0.0
December 30	n/a	31	0.00	0.0
December 31	53	22	n/a	0.0

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Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location