Boulder Weather in 2019

Historical record of Boulder, Colorado weather for the year 2019 based on NOAA data.

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2019 Boulder Weather Extremes
Highest temperature	100 °F	September 2
Lowest temperature	-9 °F	February 7
Highest daily low	65 °F	August 10
Lowest daily high	14 °F	March 3
Most daily precipitation	1.3 inches	November 26
Most daily snow	20.7 inches	November 26
Total annual precipitation	21.0 inches	-
Total annual snow	122.2 inches	-

What was the hottest temperature in Boulder in 2019?

The highest temperature recorded in Boulder, Colorado in 2019 was 100 °F which happened on September 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 2019

Rank	Temperature	Date
1	100 °F	Sep 2
2	98 °F	Sep 1
2	98 °F	Aug 20
2	98 °F	Jul 19
2	98 °F	Jul 18
6	97 °F	Sep 5
6	97 °F	Aug 25
6	97 °F	Jul 17
9	96 °F	Aug 19
9	96 °F	Aug 9
9	96 °F	Aug 3

What was the coldest temperature in Boulder in 2019?

The lowest temperature recorded in Boulder, Colorado in 2019 was -9 °F which happened on Feb 7.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 2019

Rank	Temperature	Date
1	-9 °F	February 7
2	-5 °F	March 4
3	-4 °F	February 8
4	-2 °F	March 3
5	1 °F	January 2
6	2 °F	January 1
7	3 °F	October 31
7	3 °F	October 30
7	3 °F	March 5
10	4 °F	November 28
10	4 °F	November 27

January 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	15	2	0.03	0.6
January 2	41	1	0.00	0.0
January 3	56	22	0.00	0.0
January 4	61	17	0.00	0.0
January 5	60	32	0.00	0.0
January 6	57	30	0.00	0.0
January 7	51	34	0.00	0.0
January 8	46	23	0.00	0.0
January 9	50	23	0.00	0.0
January 10	58	29	0.00	0.0
January 11	45	32	0.63	1.9
January 12	39	29	0.14	1.4
January 13	41	18	0.00	0.0
January 14	51	17	0.00	0.0
January 15	51	23	0.00	0.0
January 16	53	29	0.00	0.0
January 17	57	32	0.00	0.0
January 18	50	31	0.22	1.5
January 19	51	20	0.00	0.0
January 20	54	35	0.00	0.0
January 21	51	23	0.00	0.0
January 22	44	23	0.17	2.2
January 23	45	15	0.00	0.0
January 24	37	19	0.18	2.9
January 25	41	13	0.00	0.0
January 26	48	21	0.00	0.0
January 27	53	31	0.00	0.0
January 28	49	18	0.20	4.0
January 29	32	7	0.00	0.0
January 30	49	7	0.00	0.0
January 31	50	23	0.00	0.0

February 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	59	24	0.00	0.0
February 2	59	30	0.00	0.0
February 3	63	36	0.00	0.0
February 4	54	37	0.00	0.0
February 5	47	16	0.00	0.0
February 6	37	12	0.29	5.7
February 7	20	-9	0.08	1.8
February 8	33	-4	0.00	0.0
February 9	44	11	0.00	0.0
February 10	32	18	0.00	0.0
February 11	36	9	0.00	0.0
February 12	50	19	0.00	0.0
February 13	57	31	0.00	0.0
February 14	56	36	0.00	0.0
February 15	57	21	0.01	0.1
February 16	52	18	0.00	0.0
February 17	36	21	0.00	0.0
February 18	25	7	0.12	4.2
February 19	20	12	0.06	0.6
February 20	35	7	0.00	0.0
February 21	34	10	0.00	0.0
February 22	29	20	0.06	1.1
February 23	41	15	0.11	1.0
February 24	47	28	0.00	0.0
February 25	54	15	0.00	0.0
February 26	52	20	0.00	0.0
February 27	45	15	0.01	0.1
February 28	55	29	0.00	0.0

March 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	54	28	0.00	0.0
March 2	40	14	0.14	3.0
March 3	14	-2	0.38	4.5
March 4	22	-5	0.01	0.1
March 5	32	3	0.00	0.0
March 6	43	15	0.00	0.0
March 7	53	26	0.09	0.1
March 8	46	25	0.00	0.0
March 9	50	28	0.10	0.0
March 10	49	22	0.00	0.0
March 11	53	25	0.00	0.0
March 12	59	29	0.00	0.0
March 13	54	29	1.30	3.1
March 14	36	25	0.00	0.0
March 15	49	14	0.00	0.0
March 16	51	23	0.00	0.0
March 17	54	23	0.00	0.0
March 18	49	28	0.00	0.0
March 19	49	28	0.00	0.0
March 20	60	21	0.00	0.0
March 21	59	30	0.00	0.0
March 22	57	33	0.06	0.0
March 23	52	33	0.04	0.0
March 24	58	28	0.00	0.0
March 25	60	30	0.00	0.0
March 26	70	31	0.00	0.0
March 27	74	41	0.00	0.0
March 28	64	35	0.00	0.0
March 29	54	36	0.27	0.0
March 30	42	26	0.44	5.4
March 31	51	26	0.00	0.0

April 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	59	27	0.00	0.0
April 2	55	33	0.00	0.0
April 3	58	33	0.00	0.0
April 4	65	34	0.00	0.0
April 5	69	33	0.00	0.0
April 6	70	40	0.00	0.0
April 7	70	41	0.00	0.0
April 8	76	45	0.00	0.0
April 9	78	44	0.00	0.0
April 10	73	25	0.54	2.7
April 11	43	16	0.24	2.5
April 12	43	25	0.00	0.0
April 13	48	28	0.10	0.8
April 14	65	26	0.00	0.0
April 15	72	43	0.00	0.0
April 16	71	38	0.00	0.0
April 17	64	40	0.00	0.0
April 18	63	44	0.00	0.0
April 19	72	35	0.00	0.0
April 20	79	47	0.00	0.0
April 21	71	46	0.19	0.0
April 22	48	38	0.32	0.0
April 23	65	40	0.00	0.0
April 24	72	40	0.00	0.0
April 25	70	41	0.00	0.0
April 26	74	38	0.00	0.0
April 27	66	42	0.02	0.0
April 28	76	41	0.00	0.0
April 29	57	29	0.12	1.4
April 30	37	29	0.34	2.8

May 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	45	33	0.11	0.0
May 2	59	32	0.14	0.0
May 3	68	35	0.00	0.0
May 4	70	36	0.00	0.0
May 5	75	44	0.00	0.0
May 6	71	43	0.00	0.0
May 7	61	43	0.34	0.0
May 8	49	38	0.60	0.0
May 9	39	31	0.52	2.3
May 10	52	34	0.00	0.0
May 11	64	32	0.00	0.0
May 12	71	34	0.00	0.0
May 13	78	44	0.00	0.0
May 14	82	47	0.00	0.0
May 15	79	46	0.00	0.0
May 16	81	52	0.00	0.0
May 17	71	48	0.10	0.0
May 18	65	37	0.00	0.0
May 19	62	36	0.01	0.0
May 20	46	35	0.39	0.0
May 21	43	31	0.89	5.1
May 22	47	32	0.04	0.0
May 23	45	37	0.32	0.0
May 24	70	34	0.02	0.0
May 25	74	39	0.00	0.0
May 26	75	43	0.00	0.0
May 27	67	42	0.05	0.0
May 28	61	41	0.21	0.0
May 29	61	39	0.14	0.0
May 30	70	38	0.00	0.0
May 31	76	42	0.01	0.0

June 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	74	46	0.00
June 2	76	47	0.02
June 3	77	47	0.09
June 4	81	47	0.05
June 5	77	47	0.00
June 6	82	47	0.10
June 7	84	51	0.06
June 8	81	51	0.01
June 9	68	42	0.05
June 10	77	38	0.00
June 11	78	47	0.00
June 12	75	51	0.00
June 13	87	48	0.00
June 14	84	63	0.02
June 15	79	51	0.00
June 16	78	49	0.04
June 17	73	49	0.57
June 18	74	52	0.03
June 19	84	52	0.00
June 20	85	53	0.02
June 21	80	50	0.19
June 22	56	44	0.87
June 23	63	40	0.00
June 24	77	44	0.00
June 25	82	52	0.00
June 26	87	51	0.00
June 27	90	53	0.00
June 28	94	55	0.00
June 29	90	64	0.00
June 30	91	58	0.00

July 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	56	0.04
July 2	84	53	0.71
July 3	89	52	0.00
July 4	85	55	0.11
July 5	80	55	0.34
July 6	80	53	0.01
July 7	86	54	0.00
July 8	84	54	0.00
July 9	89	55	0.00
July 10	86	53	0.00
July 11	95	55	0.00
July 12	90	60	0.00
July 13	92	56	0.00
July 14	90	59	0.06
July 15	94	58	0.01
July 16	90	54	0.00
July 17	97	62	0.00
July 18	98	60	0.00
July 19	98	62	0.00
July 20	94	61	0.44
July 21	83	60	0.00
July 22	80	62	0.18
July 23	86	55	0.00
July 24	95	56	0.00
July 25	88	63	0.03
July 26	92	56	0.00
July 27	87	61	0.16
July 28	89	61	0.00
July 29	93	52	0.00
July 30	90	56	0.11
July 31	87	63	0.01

August 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	60	0.02
August 2	88	57	0.05
August 3	96	59	0.00
August 4	93	60	0.00
August 5	89	63	0.00
August 6	95	57	0.00
August 7	88	63	0.00
August 8	83	61	0.01
August 9	96	60	0.01
August 10	95	65	0.00
August 11	81	62	0.00
August 12	91	60	0.00
August 13	88	53	0.00
August 14	91	55	0.00
August 15	95	55	0.00
August 16	91	57	0.00
August 17	90	60	0.00
August 18	89	57	0.00
August 19	96	57	0.00
August 20	98	58	0.00
August 21	82	64	0.01
August 22	90	53	0.00
August 23	87	62	0.00
August 24	90	51	0.00
August 25	97	58	0.00
August 26	89	56	0.00
August 27	77	49	0.00
August 28	94	47	0.00
August 29	88	63	0.00
August 30	84	53	0.00
August 31	91	55	0.00

September 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	98	53	0.00
September 2	100	61	0.00
September 3	92	61	0.00
September 4	85	57	0.00
September 5	97	63	0.00
September 6	82	59	0.02
September 7	89	61	0.05
September 8	85	51	0.02
September 9	84	50	0.08
September 10	82	56	0.01
September 11	76	53	0.25
September 12	79	47	0.00
September 13	80	43	0.00
September 14	90	45	0.00
September 15	87	48	0.00
September 16	88	56	0.00
September 17	87	59	0.00
September 18	83	49	0.00
September 19	86	46	0.00
September 20	86	53	0.00
September 21	78	45	0.00
September 22	76	41	0.00
September 23	81	43	0.00
September 24	86	49	0.00
September 25	81	50	0.00
September 26	85	40	0.00
September 27	79	45	0.00
September 28	73	47	0.13
September 29	86	45	0.00
September 30	82	45	0.00

October 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	66	47	0.14	0.0
October 2	62	40	0.37	0.0
October 3	65	43	0.00	0.0
October 4	69	36	0.00	0.0
October 5	65	47	0.00	0.0
October 6	64	39	0.00	0.0
October 7	74	31	0.00	0.0
October 8	80	42	0.00	0.0
October 9	80	48	0.00	0.0
October 10	55	20	0.42	3.8
October 11	44	15	0.00	0.0
October 12	67	26	0.00	0.0
October 13	74	32	0.00	0.0
October 14	75	37	0.00	0.0
October 15	69	32	0.00	0.0
October 16	80	33	0.00	0.0
October 17	78	43	0.00	0.0
October 18	67	49	0.00	0.0
October 19	65	32	0.00	0.0
October 20	50	33	0.00	0.0
October 21	55	30	0.00	0.0
October 22	64	31	0.00	0.0
October 23	57	37	0.00	0.0
October 24	40	25	0.54	7.0
October 25	60	25	0.00	0.0
October 26	73	36	0.00	0.0
October 27	59	19	0.23	3.9
October 28	28	16	0.40	4.9
October 29	21	9	0.20	4.7
October 30	24	3	0.12	2.1
October 31	45	3	0.00	0.0

November 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	40	22	0.00	0.0
November 2	48	17	0.00	0.0
November 3	56	26	0.00	0.0
November 4	49	31	0.00	0.0
November 5	58	27	0.00	0.0
November 6	55	31	0.01	0.0
November 7	47	27	0.08	0.0
November 8	69	26	0.00	0.0
November 9	79	41	0.00	0.0
November 10	72	34	0.00	0.0
November 11	53	12	0.19	3.5
November 12	57	14	0.00	0.0
November 13	62	36	0.00	0.0
November 14	55	28	0.00	0.0
November 15	72	33	0.00	0.0
November 16	65	42	0.00	0.0
November 17	55	27	0.00	0.0
November 18	66	43	0.00	0.0
November 19	64	34	0.00	0.0
November 20	51	33	0.11	0.5
November 21	34	25	0.30	0.6
November 22	36	25	0.15	1.8
November 23	58	23	0.00	0.0
November 24	63	32	0.00	0.0
November 25	52	29	0.14	1.6
November 26	29	21	1.33	20.7
November 27	27	4	0.01	0.2
November 28	31	4	0.00	0.0
November 29	27	9	0.00	0.0
November 30	37	21	0.06	0.6

December 2019 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	36	13	0.00	0.0
December 2	54	15	0.00	0.0
December 3	56	35	0.00	0.0
December 4	54	31	0.00	0.0
December 5	43	31	0.12	0.0
December 6	49	25	0.01	0.0
December 7	59	24	0.00	0.0
December 8	56	35	0.00	0.0
December 9	45	26	0.00	0.0
December 10	35	18	0.00	0.0
December 11	54	23	0.00	0.0
December 12	51	34	0.00	0.0
December 13	46	36	0.00	0.0
December 14	40	25	0.06	0.7
December 15	31	18	0.00	0.0
December 16	34	18	0.00	0.0
December 17	44	15	0.00	0.0
December 18	54	19	0.00	0.0
December 19	47	25	0.00	0.0
December 20	53	24	0.00	0.0
December 21	64	28	0.00	0.0
December 22	64	32	0.00	0.0
December 23	58	37	0.00	0.0
December 24	58	34	0.00	0.0
December 25	50	27	0.00	0.0
December 26	38	20	0.00	0.0
December 27	36	18	0.00	0.0
December 28	30	22	0.16	2.7
December 29	36	14	0.00	0.0
December 30	36	11	0.00	0.0
December 31	52	14	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location