Boulder Weather in 2023

Historical record of Boulder, Colorado weather for the year 2023 based on NOAA data.

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2023 Boulder Weather Extremes
Highest temperature	98 °F	August 21
Lowest temperature	-13 °F	February 23
Highest daily low	68 °F	July 19
Lowest daily high	9 °F	February 23
Most daily precipitation	1.5 inches	September 14
Most daily snow	9.1 inches	February 15
Total annual precipitation	22.9 inches	-
Total annual snow	65.2 inches	-

What was the hottest temperature in Boulder in 2023?

The highest temperature recorded in Boulder, Colorado in 2023 was 98 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 2023

Rank	Temperature	Date
1	98 °F	Aug 21
1	98 °F	Jul 25
3	97 °F	Jul 24
3	97 °F	Jul 17
5	96 °F	Sep 1
5	96 °F	Aug 19
5	96 °F	Jul 23
8	95 °F	Aug 18
8	95 °F	Aug 16
8	95 °F	Jul 28
8	95 °F	Jul 27
8	95 °F	Jul 26
8	95 °F	Jul 11

What was the coldest temperature in Boulder in 2023?

The lowest temperature recorded in Boulder, Colorado in 2023 was -13 °F which happened on Feb 23.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 2023

Rank	Temperature	Date
1	-13 °F	February 23
2	-7 °F	January 30
3	-5 °F	February 24
4	-4 °F	January 31
5	1 °F	January 29
6	2 °F	February 22
6	2 °F	February 16
8	8 °F	April 5
8	8 °F	February 1
10	9 °F	December 25
10	9 °F	October 30

January 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	40	28	0.00	0.0
January 2	31	26	0.11	0.9
January 3	26	16	0.06	0.7
January 4	37	13	0.00	0.0
January 5	38	13	0.00	0.0
January 6	48	19	0.00	0.0
January 7	45	24	0.00	0.0
January 8	57	21	0.00	0.0
January 9	52	32	0.00	0.0
January 10	56	32	0.00	0.0
January 11	51	32	0.01	0.0
January 12	49	22	0.00	0.0
January 13	52	25	0.00	0.0
January 14	62	34	0.00	0.0
January 15	53	33	0.00	0.0
January 16	48	26	0.00	0.0
January 17	43	22	0.00	0.0
January 18	31	22	0.58	5.8
January 19	38	18	0.00	0.0
January 20	32	18	0.00	0.0
January 21	32	13	0.00	0.0
January 22	40	16	0.00	0.0
January 23	34	24	0.01	0.2
January 24	35	16	0.00	0.0
January 25	33	16	0.00	0.0
January 26	40	14	0.00	0.0
January 27	46	26	0.00	0.0
January 28	41	21	0.00	0.0
January 29	25	1	0.08	1.1
January 30	9	-7	0.03	0.5
January 31	30	-4	0.00	0.1

February 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	46	8	0.00	0.0
February 2	49	19	0.00	0.0
February 3	61	24	0.00	0.0
February 4	54	32	0.00	0.0
February 5	49	27	0.00	0.0
February 6	48	28	0.00	0.0
February 7	48	23	0.00	0.0
February 8	52	20	0.00	0.0
February 9	38	19	0.00	0.0
February 10	50	10	0.00	0.0
February 11	57	24	0.00	0.0
February 12	49	30	0.00	0.0
February 13	58	24	0.00	0.0
February 14	50	33	0.00	0.0
February 15	33	13	0.28	9.1
February 16	31	2	0.07	1.5
February 17	55	11	0.00	0.0
February 18	54	32	0.00	0.0
February 19	48	32	0.00	0.0
February 20	53	31	0.00	0.0
February 21	62	32	0.00	0.0
February 22	48	2	0.51	6.1
February 23	9	-13	0.05	0.6
February 24	41	-5	0.00	0.0
February 25	59	19	0.00	0.0
February 26	62	27	0.00	0.0
February 27	49	25	0.00	0.0
February 28	49	30	0.00	0.0

March 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	36	20	0.00	0.0
March 2	49	15	0.03	0.5
March 3	46	25	0.00	0.0
March 4	39	21	0.00	0.0
March 5	54	20	0.00	0.0
March 6	45	20	0.00	0.0
March 7	38	26	0.01	0.0
March 8	36	24	0.00	0.0
March 9	54	26	0.01	0.2
March 10	61	24	0.00	0.0
March 11	58	36	0.00	0.0
March 12	50	23	0.00	0.0
March 13	52	19	0.00	0.0
March 14	66	30	0.00	0.0
March 15	69	38	0.00	0.0
March 16	54	25	0.14	0.5
March 17	42	19	0.00	0.0
March 18	46	13	0.00	0.0
March 19	55	16	0.00	0.0
March 20	53	32	0.00	0.0
March 21	57	27	0.00	0.0
March 22	49	30	0.04	0.2
March 23	50	26	0.00	0.0
March 24	55	23	0.00	0.0
March 25	46	23	0.03	0.3
March 26	40	19	0.00	0.0
March 27	35	23	0.18	2.6
March 28	48	14	0.00	0.0
March 29	49	26	0.00	0.0
March 30	65	25	0.00	0.0
March 31	51	33	0.00	0.0

April 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	65	32	0.00	0.0
April 2	67	44	0.00	0.0
April 3	57	32	0.00	0.0
April 4	51	22	0.33	4.6
April 5	42	8	0.08	1.4
April 6	52	21	0.00	0.0
April 7	65	25	0.00	0.0
April 8	67	35	0.00	0.0
April 9	69	35	0.00	0.0
April 10	75	34	0.00	0.0
April 11	84	39	0.00	0.0
April 12	82	50	0.00	0.0
April 13	76	54	0.00	0.0
April 14	64	33	0.26	0.2
April 15	51	28	0.08	0.3
April 16	62	26	0.00	0.0
April 17	72	35	0.00	0.0
April 18	76	41	0.00	0.0
April 19	69	39	0.00	0.0
April 20	50	26	0.00	0.0
April 21	52	30	0.00	0.0
April 22	45	24	0.38	3.4
April 23	56	19	0.00	0.0
April 24	65	32	0.00	0.0
April 25	60	36	0.05	0.0
April 26	57	38	0.90	0.0
April 27	67	40	0.00	0.0
April 28	59	32	0.19	0.0
April 29	71	39	0.00	0.0
April 30	69	39	0.00	0.0

May 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	70	36	0.00
May 2	69	39	0.00
May 3	79	43	0.00
May 4	73	46	0.00
May 5	74	43	0.08
May 6	69	38	0.00
May 7	67	42	0.00
May 8	73	39	0.00
May 9	76	42	0.00
May 10	75	45	0.13
May 11	54	43	1.27
May 12	63	46	0.93
May 13	61	42	0.00
May 14	61	47	0.93
May 15	57	46	1.17
May 16	78	43	0.00
May 17	78	45	0.01
May 18	68	46	0.15
May 19	56	48	0.34
May 20	66	45	0.00
May 21	75	46	0.00
May 22	75	46	0.00
May 23	78	46	0.00
May 24	73	47	0.23
May 25	73	46	0.02
May 26	69	48	0.09
May 27	78	46	0.13
May 28	78	45	0.01
May 29	81	46	0.00
May 30	79	47	0.00
May 31	75	47	0.03

June 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	71	50	0.13
June 2	71	50	0.50
June 3	69	50	0.16
June 4	61	52	0.79
June 5	69	50	0.04
June 6	75	45	0.00
June 7	76	48	0.08
June 8	77	51	0.00
June 9	79	52	0.00
June 10	73	46	0.00
June 11	70	50	0.00
June 12	66	42	1.24
June 13	65	46	0.11
June 14	77	44	0.07
June 15	75	53	0.13
June 16	71	44	0.89
June 17	72	46	0.01
June 18	82	47	0.00
June 19	89	55	0.00
June 20	86	54	0.00
June 21	82	51	0.14
June 22	79	53	0.53
June 23	77	55	0.03
June 24	84	55	0.00
June 25	81	48	0.00
June 26	84	50	0.00
June 27	90	55	0.00
June 28	86	62	0.00
June 29	78	59	0.13
June 30	69	49	0.06

July 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	82	48	0.00
July 2	86	52	0.00
July 3	91	53	0.00
July 4	87	60	0.02
July 5	71	54	0.61
July 6	73	56	0.08
July 7	76	53	0.00
July 8	78	58	0.03
July 9	80	53	0.00
July 10	93	54	0.00
July 11	95	58	0.00
July 12	91	59	0.00
July 13	92	58	0.00
July 14	86	61	0.00
July 15	84	53	0.00
July 16	88	54	0.00
July 17	97	58	0.00
July 18	94	62	0.00
July 19	86	68	0.00
July 20	78	59	0.40
July 21	82	53	0.04
July 22	89	52	0.10
July 23	96	56	0.00
July 24	97	58	0.00
July 25	98	60	0.00
July 26	95	67	0.08
July 27	95	60	0.02
July 28	95	59	0.07
July 29	85	56	0.00
July 30	94	58	0.00
July 31	90	65	0.00

August 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	81	60	0.60
August 2	84	58	0.18
August 3	82	58	0.13
August 4	88	54	0.00
August 5	86	54	0.00
August 6	74	57	0.03
August 7	81	49	0.01
August 8	84	51	0.00
August 9	83	52	0.00
August 10	91	54	0.00
August 11	91	64	0.01
August 12	87	60	0.00
August 13	78	62	0.00
August 14	79	52	0.00
August 15	91	51	0.00
August 16	95	59	0.00
August 17	91	62	0.00
August 18	95	61	0.00
August 19	96	66	0.00
August 20	91	57	0.00
August 21	98	57	0.00
August 22	94	60	0.00
August 23	93	61	0.02
August 24	91	63	0.00
August 25	83	58	0.54
August 26	73	57	0.07
August 27	85	55	0.22
August 28	77	54	0.31
August 29	82	51	0.00
August 30	93	52	0.00
August 31	93	57	0.00

September 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	96	52	0.00
September 2	92	62	0.00
September 3	86	60	0.00
September 4	85	55	0.02
September 5	78	50	0.00
September 6	87	47	0.00
September 7	91	52	0.00
September 8	89	51	0.00
September 9	86	51	0.00
September 10	79	55	0.20
September 11	66	52	0.34
September 12	75	44	0.00
September 13	81	45	0.00
September 14	72	50	1.54
September 15	66	51	0.22
September 16	74	41	0.00
September 17	81	44	0.00
September 18	82	53	0.00
September 19	78	60	0.00
September 20	79	48	0.00
September 21	78	47	0.00
September 22	78	47	0.00
September 23	78	50	0.00
September 24	77	41	0.00
September 25	81	43	0.00
September 26	81	44	0.00
September 27	86	46	0.00
September 28	87	51	0.00
September 29	81	51	0.00
September 30	83	46	0.00

October 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	83	55	0.00	0.0
October 2	82	50	0.01	0.0
October 3	69	41	0.00	0.0
October 4	71	46	0.00	0.0
October 5	69	41	0.00	0.0
October 6	57	40	0.00	0.0
October 7	72	34	0.00	0.0
October 8	78	39	0.00	0.0
October 9	79	40	0.00	0.0
October 10	82	42	0.00	0.0
October 11	71	47	0.02	0.0
October 12	59	40	0.00	0.0
October 13	58	30	0.00	0.0
October 14	54	29	0.00	0.0
October 15	66	32	0.00	0.0
October 16	75	38	0.00	0.0
October 17	85	42	0.00	0.0
October 18	72	41	0.00	0.0
October 19	81	42	0.00	0.0
October 20	87	43	0.00	0.0
October 21	80	43	0.00	0.0
October 22	75	38	0.00	0.0
October 23	78	40	0.00	0.0
October 24	68	41	0.00	0.0
October 25	65	36	0.00	0.0
October 26	51	37	0.00	0.0
October 27	42	27	0.02	0.0
October 28	32	24	0.05	0.6
October 29	25	19	0.53	6.2
October 30	43	9	0.00	0.0
October 31	49	12	0.00	0.0

November 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	56	28	0.00	0.0
November 2	70	32	0.00	0.0
November 3	72	51	0.00	0.0
November 4	67	35	0.00	0.0
November 5	78	45	0.00	0.0
November 6	71	38	0.00	0.0
November 7	76	46	0.00	0.0
November 8	60	36	0.07	0.0
November 9	50	25	0.04	0.0
November 10	54	21	0.00	0.0
November 11	61	30	0.00	0.0
November 12	63	35	0.00	0.0
November 13	65	27	0.00	0.0
November 14	72	42	0.00	0.0
November 15	67	37	0.00	0.0
November 16	69	39	0.00	0.0
November 17	69	35	0.00	0.0
November 18	60	30	0.00	0.0
November 19	54	34	0.00	0.0
November 20	49	35	0.00	0.0
November 21	57	23	0.00	0.0
November 22	66	39	0.00	0.0
November 23	63	32	0.00	0.0
November 24	37	17	0.21	4.2
November 25	24	12	0.17	3.1
November 26	38	12	0.00	0.0
November 27	43	15	0.00	0.0
November 28	53	24	0.00	0.0
November 29	52	23	0.00	0.0
November 30	38	22	0.00	0.0

December 2023 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	39	18	0.00	0.0
December 2	41	20	0.00	0.0
December 3	38	31	0.03	0.5
December 4	59	24	0.00	0.0
December 5	65	26	0.00	0.0
December 6	65	34	0.00	0.0
December 7	59	37	0.00	0.0
December 8	53	32	0.00	0.0
December 9	34	19	0.64	7.5
December 10	52	15	0.00	0.0
December 11	51	28	0.00	0.0
December 12	41	27	0.02	0.0
December 13	34	26	0.01	0.1
December 14	36	28	0.00	0.1
December 15	51	25	0.00	0.0
December 16	64	26	0.00	0.0
December 17	62	40	0.00	0.0
December 18	49	25	0.00	0.0
December 19	64	38	0.00	0.0
December 20	60	34	0.00	0.0
December 21	60	35	0.00	0.0
December 22	58	29	0.00	0.0
December 23	52	32	0.00	0.0
December 24	43	24	0.13	2.0
December 25	29	9	0.00	0.1
December 26	41	15	0.00	0.0
December 27	51	34	0.00	0.0
December 28	49	19	0.00	0.0
December 29	54	25	0.00	0.0
December 30	56	26	0.00	0.0
December 31	40	23	0.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location