Boulder Weather in 2015

Historical record of Boulder, Colorado weather for the year 2015 based on NOAA data.

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2015 Boulder Weather Extremes
Highest temperature	96 °F	August 30
Lowest temperature	-1 °F	February 27
Highest daily low	64 °F	August 31
Lowest daily high	18 °F	February 27
Most daily precipitation	2.0 inches	April 17
Most daily snow	11.3 inches	December 15
Total annual precipitation	26.9 inches	-
Total annual snow	108.8 inches	-

What was the hottest temperature in Boulder in 2015?

The highest temperature recorded in Boulder, Colorado in 2015 was 96 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 2015

Rank	Temperature	Date
1	96 °F	Aug 30
1	96 °F	Aug 15
3	94 °F	Aug 25
3	94 °F	Aug 13
3	94 °F	Aug 6
6	93 °F	Aug 21
6	93 °F	Aug 14
6	93 °F	Aug 5
6	93 °F	Jul 27
6	93 °F	Jun 30

What was the coldest temperature in Boulder in 2015?

The lowest temperature recorded in Boulder, Colorado in 2015 was -1 °F which happened on Feb 27.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 2015

Rank	Temperature	Date
1	-1 °F	February 27
2	0 °F	February 28
2	0 °F	January 4
4	2 °F	January 5
5	4 °F	December 28
5	4 °F	March 5
7	5 °F	December 27
7	5 °F	November 28
7	5 °F	February 23
10	6 °F	December 31
10	6 °F	December 18
10	6 °F	January 2
10	6 °F	January 1

January 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	32	6	0.00	0.0
January 2	41	6	0.00	0.0
January 3	35	15	0.03	0.7
January 4	25	0	0.01	0.4
January 5	56	2	0.00	0.0
January 6	56	26	0.00	0.0
January 7	54	14	0.03	0.6
January 8	57	15	0.00	0.0
January 9	35	17	0.12	1.1
January 10	55	22	0.00	0.0
January 11	44	28	0.00	0.0
January 12	37	21	0.01	0.0
January 13	36	22	0.04	0.3
January 14	41	20	0.01	0.1
January 15	57	23	0.00	0.0
January 16	62	29	0.00	0.0
January 17	58	37	0.00	0.0
January 18	64	34	0.00	0.0
January 19	60	37	0.00	0.0
January 20	49	24	0.00	0.0
January 21	36	25	0.13	2.7
January 22	41	7	0.00	0.1
January 23	48	20	0.00	0.0
January 24	53	26	0.00	0.0
January 25	62	27	0.00	0.0
January 26	71	33	0.00	0.0
January 27	72	42	0.00	0.0
January 28	61	42	0.00	0.0
January 29	51	34	0.00	0.0
January 30	49	30	0.00	0.0
January 31	45	31	0.00	0.0

February 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	35	20	0.39	4.8
February 2	51	13	0.00	0.0
February 3	61	38	0.00	0.0
February 4	54	22	0.34	5.4
February 5	60	19	0.00	0.0
February 6	70	41	0.00	0.0
February 7	72	41	0.00	0.0
February 8	65	43	0.00	0.0
February 9	70	32	0.00	0.0
February 10	62	44	0.00	0.0
February 11	54	33	0.13	0.0
February 12	57	28	0.00	0.0
February 13	62	31	0.00	0.0
February 14	66	34	0.00	0.0
February 15	59	30	0.11	1.4
February 16	33	24	0.69	8.1
February 17	38	11	0.14	2.2
February 18	49	14	0.00	0.0
February 19	62	23	0.00	0.0
February 20	52	28	0.00	0.0
February 21	43	22	0.44	6.4
February 22	22	9	0.39	8.5
February 23	22	5	0.08	1.6
February 24	52	9	0.00	0.0
February 25	51	25	0.33	4.3
February 26	29	12	0.57	9.5
February 27	18	-1	0.08	2.4
February 28	28	0	0.00	0.0

March 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	26	12	0.00	0.0
March 2	35	13	0.00	0.0
March 3	43	19	0.04	3.1
March 4	21	9	0.16	4.6
March 5	37	4	0.00	0.0
March 6	52	20	0.00	0.0
March 7	55	25	0.00	0.0
March 8	50	30	0.00	0.0
March 9	57	27	0.00	0.0
March 10	60	32	0.00	0.0
March 11	65	30	0.00	0.0
March 12	65	41	0.00	0.0
March 13	57	44	0.00	0.0
March 14	68	31	0.00	0.0
March 15	78	45	0.00	0.0
March 16	80	45	0.00	0.0
March 17	69	39	0.00	0.0
March 18	64	36	0.00	0.0
March 19	61	40	0.02	0.0
March 20	65	30	0.00	0.0
March 21	71	35	0.00	0.0
March 22	71	44	0.00	0.0
March 23	68	36	0.00	0.0
March 24	63	36	0.00	0.0
March 25	59	33	0.16	0.3
March 26	63	27	0.00	0.0
March 27	71	36	0.00	0.0
March 28	77	44	0.00	0.0
March 29	72	43	0.00	0.0
March 30	74	36	0.00	0.0
March 31	78	39	0.00	0.0

April 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	74	52	0.00	0.0
April 2	62	32	0.10	0.6
April 3	45	27	0.35	3.5
April 4	63	26	0.00	0.0
April 5	72	33	0.00	0.0
April 6	73	45	0.00	0.0
April 7	69	40	0.00	0.0
April 8	60	43	0.00	0.0
April 9	54	35	0.08	0.0
April 10	62	29	0.00	0.0
April 11	70	34	0.00	0.0
April 12	69	47	0.00	0.0
April 13	67	32	0.00	0.0
April 14	74	36	0.00	0.0
April 15	72	39	0.00	0.0
April 16	45	31	0.55	2.7
April 17	49	32	1.96	0.6
April 18	54	36	0.02	0.0
April 19	52	35	0.09	0.0
April 20	56	32	0.00	0.0
April 21	67	33	0.00	0.0
April 22	69	34	0.01	0.0
April 23	69	40	0.00	0.0
April 24	69	40	0.00	0.0
April 25	67	38	0.00	0.0
April 26	61	39	0.80	0.0
April 27	47	37	0.49	0.0
April 28	60	37	0.05	0.0
April 29	74	37	0.00	0.0
April 30	79	46	0.00	0.0

May 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	70	44	0.14	0.0
May 2	74	45	0.00	0.0
May 3	76	54	0.02	0.0
May 4	61	47	0.36	0.0
May 5	54	46	0.45	0.0
May 6	65	46	0.05	0.0
May 7	59	43	0.02	0.0
May 8	54	43	0.98	0.0
May 9	49	39	1.64	0.0
May 10	44	29	0.53	3.9
May 11	58	30	0.00	0.0
May 12	69	33	0.00	0.0
May 13	66	46	0.05	0.0
May 14	74	41	0.00	0.0
May 15	68	44	0.17	0.0
May 16	63	38	0.01	0.0
May 17	69	42	0.08	0.0
May 18	58	41	0.15	0.0
May 19	46	42	1.35	0.0
May 20	43	35	0.32	0.0
May 21	50	39	0.07	0.0
May 22	52	45	0.25	0.0
May 23	58	42	0.35	0.0
May 24	57	36	0.58	0.0
May 25	66	38	0.03	0.0
May 26	70	41	0.19	0.0
May 27	74	46	0.00	0.0
May 28	74	46	0.00	0.0
May 29	71	45	0.03	0.0
May 30	73	44	0.00	0.0
May 31	86	50	0.00	0.0

June 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	52	0.01
June 2	86	50	0.00
June 3	82	50	0.00
June 4	80	51	0.05
June 5	74	51	0.49
June 6	73	48	0.24
June 7	75	50	0.01
June 8	80	47	0.00
June 9	85	54	0.00
June 10	81	60	0.01
June 11	72	54	0.20
June 12	72	54	0.53
June 13	84	51	0.00
June 14	82	54	0.00
June 15	79	53	0.00
June 16	80	54	0.17
June 17	81	52	0.00
June 18	80	54	0.01
June 19	92	54	0.00
June 20	90	59	0.00
June 21	92	56	0.00
June 22	91	59	0.00
June 23	86	53	0.00
June 24	87	61	0.01
June 25	86	56	0.03
June 26	80	53	0.00
June 27	88	53	0.00
June 28	85	56	0.00
June 29	86	58	0.00
June 30	93	57	0.00

July 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	60	0.04
July 2	83	57	0.03
July 3	84	54	0.10
July 4	87	57	0.18
July 5	90	59	0.03
July 6	69	58	0.48
July 7	67	56	0.18
July 8	69	55	0.88
July 9	76	54	0.13
July 10	85	53	0.01
July 11	84	54	0.05
July 12	90	53	0.00
July 13	89	63	0.06
July 14	86	54	0.07
July 15	83	55	0.39
July 16	88	53	0.01
July 17	89	58	0.00
July 18	88	54	0.12
July 19	80	52	0.00
July 20	83	54	0.00
July 21	80	57	0.20
July 22	89	54	0.02
July 23	92	54	0.00
July 24	83	55	0.00
July 25	90	58	0.00
July 26	91	56	0.00
July 27	93	56	0.00
July 28	91	64	0.00
July 29	86	52	0.00
July 30	90	52	0.00
July 31	90	57	0.00

August 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	57	0.00
August 2	90	57	0.00
August 3	82	61	0.00
August 4	90	57	0.00
August 5	93	54	0.00
August 6	94	59	0.00
August 7	90	55	0.00
August 8	87	57	0.00
August 9	89	57	0.00
August 10	86	54	0.00
August 11	83	61	0.00
August 12	91	56	0.00
August 13	94	61	0.01
August 14	93	59	0.00
August 15	96	59	0.00
August 16	87	60	0.08
August 17	76	56	0.01
August 18	75	52	0.00
August 19	70	44	0.18
August 20	89	47	0.00
August 21	93	53	0.00
August 22	90	64	0.00
August 23	77	44	0.00
August 24	85	50	0.00
August 25	94	54	0.00
August 26	91	59	0.00
August 27	88	61	0.00
August 28	85	55	0.00
August 29	91	54	0.00
August 30	96	54	0.00
August 31	84	64	0.03

September 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	91	54	0.00
September 2	91	57	0.00
September 3	85	62	0.03
September 4	86	51	0.00
September 5	88	60	0.01
September 6	88	57	0.00
September 7	81	53	0.02
September 8	85	54	0.00
September 9	91	49	0.00
September 10	90	50	0.00
September 11	77	50	0.00
September 12	85	46	0.00
September 13	92	53	0.00
September 14	89	56	0.00
September 15	86	56	0.00
September 16	88	54	0.00
September 17	80	47	0.00
September 18	74	47	0.00
September 19	77	40	0.00
September 20	85	47	0.00
September 21	88	48	0.00
September 22	84	46	0.00
September 23	84	51	0.00
September 24	85	47	0.00
September 25	83	47	0.00
September 26	86	47	0.00
September 27	89	52	0.00
September 28	81	55	0.00
September 29	79	54	0.08
September 30	77	52	0.00

October 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	84	52	0.00
October 2	73	53	0.00
October 3	60	47	0.07
October 4	57	47	0.12
October 5	71	47	0.00
October 6	64	46	0.10
October 7	75	43	0.05
October 8	79	47	0.00
October 9	73	43	0.00
October 10	86	47	0.00
October 11	86	54	0.00
October 12	78	41	0.00
October 13	84	49	0.00
October 14	83	45	0.00
October 15	68	43	0.00
October 16	69	35	0.00
October 17	78	41	0.00
October 18	78	42	0.00
October 19	71	47	0.00
October 20	74	46	0.00
October 21	60	44	1.03
October 22	47	44	0.55
October 23	58	40	0.07
October 24	65	32	0.02
October 25	69	36	0.00
October 26	64	45	0.00
October 27	63	40	0.00
October 28	62	28	0.00
October 29	55	34	0.00
October 30	50	39	0.01
October 31	67	34	0.00

November 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	74	45	0.00	0.0
November 2	71	41	0.00	0.0
November 3	77	35	0.00	0.0
November 4	67	40	0.00	0.0
November 5	52	33	0.30	0.0
November 6	50	26	0.00	0.0
November 7	56	20	0.00	0.0
November 8	68	27	0.00	0.0
November 9	61	30	0.00	0.0
November 10	63	31	0.00	0.0
November 11	50	32	0.54	1.7
November 12	49	30	0.00	0.0
November 13	61	23	0.00	0.0
November 14	65	30	0.00	0.0
November 15	66	29	0.00	0.0
November 16	54	34	0.06	0.0
November 17	51	32	0.26	0.1
November 18	54	31	0.00	0.0
November 19	52	23	0.00	0.0
November 20	51	28	0.03	0.4
November 21	48	11	0.09	1.6
November 22	62	30	0.00	0.0
November 23	60	31	0.00	0.0
November 24	63	31	0.00	0.0
November 25	55	31	0.00	0.0
November 26	32	17	0.39	3.0
November 27	19	11	0.08	3.5
November 28	28	5	0.02	0.6
November 29	28	18	0.00	0.0
November 30	33	21	0.06	0.6

December 2015 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	41	16	0.00	0.0
December 2	52	20	0.00	0.0
December 3	52	20	0.00	0.0
December 4	57	23	0.00	0.0
December 5	52	33	0.00	0.0
December 6	56	21	0.00	0.0
December 7	58	35	0.00	0.0
December 8	59	47	0.00	0.0
December 9	68	42	0.00	0.0
December 10	64	47	0.00	0.0
December 11	56	40	0.00	0.0
December 12	40	28	0.23	3.3
December 13	44	19	0.00	0.0
December 14	42	21	0.00	0.0
December 15	31	20	0.74	11.3
December 16	36	15	0.00	0.0
December 17	27	8	0.00	0.0
December 18	55	6	0.00	0.0
December 19	53	25	0.00	0.0
December 20	55	33	0.00	0.0
December 21	48	27	0.00	0.0
December 22	54	25	0.00	0.0
December 23	41	20	0.00	0.1
December 24	35	22	0.00	0.1
December 25	30	14	0.00	0.0
December 26	28	14	0.14	2.6
December 27	27	5	0.00	0.0
December 28	31	4	0.00	0.0
December 29	27	9	0.00	0.0
December 30	30	7	0.00	0.0
December 31	31	6	0.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location