Boulder Weather in 1999

Historical record of Boulder, Colorado weather for the year 1999 based on NOAA data.

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1999 Boulder Weather Extremes
Highest temperature	96 °F	July 4
Lowest temperature	7 °F	January 3
Highest daily low	70 °F	July 3
Lowest daily high	27 °F	January 3
Most daily precipitation	1.8 inches	August 4
Most daily snow	10.5 inches	November 22
Total annual precipitation	25.9 inches	-
Total annual snow	81.1 inches	-

What was the hottest temperature in Boulder in 1999?

The highest temperature recorded in Boulder, Colorado in 1999 was 96 °F which happened on July 4.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boulder in 1999

Rank	Temperature	Date
1	96 °F	Jul 4
2	95 °F	Jul 3
3	94 °F	Jul 13
3	94 °F	Jul 7
5	93 °F	Jul 2
6	92 °F	Jul 28
6	92 °F	Jul 27
6	92 °F	Jul 23
6	92 °F	Jul 5
10	91 °F	Jul 25
10	91 °F	Jul 21

What was the coldest temperature in Boulder in 1999?

The lowest temperature recorded in Boulder, Colorado in 1999 was 7 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boulder in 1999

Rank	Temperature	Date
1	7 °F	January 3
1	7 °F	January 2
3	10 °F	December 9
4	11 °F	December 22
4	11 °F	November 24
4	11 °F	January 4
7	12 °F	December 19
8	13 °F	November 23
9	14 °F	December 20
9	14 °F	December 5

January 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	45	31	0.00	0.0
January 2	35	7	0.20	3.3
January 3	27	7	0.03	1.1
January 4	43	11	0.00	0.0
January 5	49	26	0.00	0.0
January 6	55	30	0.00	0.0
January 7	60	23	0.00	0.0
January 8	41	22	0.01	0.0
January 9	48	17	0.00	0.0
January 10	52	29	0.00	0.0
January 11	62	40	0.00	0.0
January 12	57	34	0.00	0.0
January 13	42	23	0.00	0.0
January 14	57	20	0.00	0.0
January 15	59	42	0.00	0.0
January 16	56	23	0.00	0.0
January 17	47	29	0.00	0.0
January 18	59	21	0.00	0.0
January 19	57	35	0.00	0.0
January 20	52	32	0.00	0.0
January 21	46	29	0.05	0.6
January 22	43	20	0.22	2.9
January 23	54	20	0.00	0.0
January 24	50	25	0.13	1.7
January 25	37	19	0.01	0.1
January 26	48	22	0.00	0.0
January 27	42	24	0.00	0.0
January 28	42	17	0.00	0.0
January 29	48	19	0.00	0.0
January 30	44	22	0.00	0.0
January 31	46	23	0.00	0.0

February 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	46	26	0.00	0.0
February 2	53	26	0.00	0.0
February 3	54	34	0.00	0.0
February 4	59	22	0.00	0.0
February 5	53	38	0.00	0.0
February 6	52	25	0.00	0.0
February 7	68	30	0.00	0.0
February 8	57	35	0.00	0.0
February 9	60	26	0.00	0.0
February 10	66	34	0.01	0.1
February 11	34	23	0.06	0.5
February 12	53	18	0.00	0.0
February 13	70	27	0.00	0.0
February 14	68	33	0.00	0.0
February 15	55	39	0.00	0.0
February 16	50	19	0.00	0.0
February 17	51	25	0.00	0.0
February 18	47	24	0.00	0.0
February 19	51	24	0.00	0.0
February 20	47	25	0.00	0.0
February 21	45	18	0.00	0.0
February 22	44	24	0.01	0.0
February 23	57	35	0.00	0.0
February 24	62	39	0.00	0.0
February 25	66	33	0.00	0.0
February 26	64	43	0.00	0.0
February 27	55	30	0.00	0.0
February 28	64	31	0.00	0.0

March 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	68	42	0.00	0.0
March 2	54	32	0.00	0.0
March 3	68	21	0.00	0.0
March 4	61	42	0.00	0.0
March 5	44	28	0.73	2.9
March 6	39	31	0.02	0.0
March 7	48	17	0.00	0.0
March 8	51	31	0.00	0.0
March 9	52	22	0.00	0.0
March 10	57	33	0.00	0.0
March 11	51	25	0.00	0.0
March 12	39	27	0.34	3.7
March 13	52	27	0.00	0.0
March 14	69	29	0.00	0.0
March 15	69	45	0.00	0.0
March 16	71	43	0.00	0.0
March 17	65	30	0.00	0.0
March 18	56	24	0.00	0.0
March 19	57	29	0.00	0.0
March 20	66	33	0.00	0.0
March 21	69	32	0.00	0.0
March 22	66	30	0.00	0.0
March 23	63	30	0.00	0.0
March 24	63	32	0.00	0.0
March 25	65	32	0.00	0.0
March 26	72	32	0.00	0.0
March 27	64	48	0.00	0.0
March 28	56	33	0.00	0.0
March 29	68	26	0.00	0.0
March 30	76	37	0.00	0.0
March 31	70	39	0.00	0.0

April 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	64	33	0.08	0.0
April 2	34	24	0.68	6.4
April 3	42	25	0.06	0.6
April 4	48	22	0.00	0.0
April 5	57	37	0.00	0.0
April 6	64	29	0.00	0.0
April 7	71	38	0.00	0.0
April 8	69	21	0.00	0.0
April 9	62	31	0.00	0.0
April 10	55	21	0.00	0.0
April 11	58	24	0.00	0.0
April 12	68	31	0.00	0.0
April 13	69	40	0.00	0.0
April 14	55	30	0.67	5.5
April 15	43	27	0.48	9.7
April 16	37	17	0.09	1.5
April 17	51	25	0.03	0.3
April 18	70	38	0.00	0.0
April 19	76	40	0.00	0.0
April 20	72	46	0.00	0.0
April 21	66	44	0.01	0.0
April 22	48	38	1.62	4.9
April 23	41	34	1.61	8.3
April 24	49	29	0.00	0.0
April 25	48	32	0.21	0.0
April 26	58	32	0.00	0.0
April 27	71	39	0.00	0.0
April 28	66	40	0.00	0.0
April 29	56	41	0.73	0.0
April 30	48	39	1.28	0.0

May 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	51	34	0.50
May 2	61	32	0.07
May 3	66	38	0.01
May 4	63	37	0.00
May 5	55	37	0.00
May 6	58	27	0.00
May 7	73	34	0.00
May 8	78	45	0.00
May 9	78	45	0.00
May 10	73	34	0.22
May 11	59	30	0.00
May 12	69	31	0.00
May 13	76	41	0.00
May 14	71	48	0.01
May 15	70	42	0.00
May 16	67	42	0.21
May 17	61	32	0.13
May 18	76	39	0.00
May 19	80	46	0.00
May 20	75	51	0.19
May 21	79	46	0.04
May 22	79	48	0.01
May 23	71	49	0.17
May 24	70	50	0.08
May 25	64	51	0.01
May 26	72	41	0.00
May 27	68	40	0.16
May 28	76	41	0.01
May 29	77	47	0.00
May 30	78	51	0.00
May 31	73	50	0.02

June 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	76	41	0.01
June 2	79	46	0.01
June 3	80	44	0.00
June 4	81	47	0.00
June 5	79	47	0.03
June 6	79	50	0.00
June 7	87	45	0.00
June 8	89	55	0.00
June 9	88	52	0.03
June 10	69	51	0.07
June 11	72	42	0.07
June 12	71	45	0.00
June 13	67	43	0.00
June 14	74	48	0.07
June 15	67	48	0.34
June 16	58	49	0.11
June 17	73	46	0.05
June 18	81	48	0.00
June 19	85	53	0.00
June 20	87	52	0.00
June 21	83	53	0.00
June 22	87	55	0.00
June 23	87	51	0.00
June 24	89	54	0.00
June 25	90	58	0.00
June 26	88	54	0.00
June 27	84	59	0.03
June 28	83	48	0.00
June 29	86	49	0.00
June 30	84	51	0.00

July 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	52	0.00
July 2	93	61	0.00
July 3	95	70	0.00
July 4	96	69	0.00
July 5	92	67	0.00
July 6	85	56	0.00
July 7	94	55	0.00
July 8	89	66	0.00
July 9	83	57	0.02
July 10	82	53	0.00
July 11	84	51	0.00
July 12	86	52	0.16
July 13	94	54	0.00
July 14	89	66	0.00
July 15	86	58	0.12
July 16	79	60	0.23
July 17	82	55	0.00
July 18	86	56	0.00
July 19	85	59	0.29
July 20	86	55	0.11
July 21	91	58	0.09
July 22	88	58	0.00
July 23	92	59	0.00
July 24	90	60	0.00
July 25	91	61	0.05
July 26	90	56	0.00
July 27	92	58	0.00
July 28	92	63	0.16
July 29	86	59	0.21
July 30	85	61	0.53
July 31	76	55	0.57

August 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	62	57	0.32
August 2	75	55	0.29
August 3	80	56	0.00
August 4	77	58	1.79
August 5	72	56	0.90
August 6	80	54	1.08
August 7	81	57	0.11
August 8	85	53	0.00
August 9	86	59	0.00
August 10	80	60	0.01
August 11	85	55	0.00
August 12	84	56	0.00
August 13	82	50	0.00
August 14	88	53	0.00
August 15	84	61	0.00
August 16	88	56	0.00
August 17	85	60	0.32
August 18	82	51	0.00
August 19	82	53	0.00
August 20	85	56	0.07
August 21	84	55	0.26
August 22	84	55	0.00
August 23	82	54	0.00
August 24	90	53	0.00
August 25	88	58	0.00
August 26	88	57	0.00
August 27	90	59	0.00
August 28	76	55	0.17
August 29	84	53	0.00
August 30	88	55	0.00
August 31	89	61	0.22

September 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	81	53	0.24	0.0
September 2	76	58	0.45	0.0
September 3	73	50	0.02	0.0
September 4	70	52	0.00	0.0
September 5	76	46	0.00	0.0
September 6	85	46	0.00	0.0
September 7	83	54	0.00	0.0
September 8	76	45	0.00	0.0
September 9	78	42	0.00	0.0
September 10	83	50	0.00	0.0
September 11	75	52	0.00	0.0
September 12	68	44	0.01	0.0
September 13	66	35	0.00	0.0
September 14	67	39	0.00	0.0
September 15	70	39	0.00	0.0
September 16	75	38	0.00	0.0
September 17	80	45	0.00	0.0
September 18	81	46	0.00	0.0
September 19	73	43	0.20	0.0
September 20	53	40	0.46	0.0
September 21	71	35	0.00	0.0
September 22	78	41	0.00	0.0
September 23	78	50	0.00	0.0
September 24	79	55	0.00	0.0
September 25	85	51	0.00	0.0
September 26	79	37	0.00	0.0
September 27	54	36	0.03	0.0
September 28	47	31	1.21	1.6
September 29	68	25	0.00	0.0
September 30	66	37	0.00	0.0

October 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	76	39	0.00	0.0
October 2	50	32	0.00	0.0
October 3	52	34	0.00	0.0
October 4	73	31	0.00	0.0
October 5	76	37	0.00	0.0
October 6	80	38	0.00	0.0
October 7	67	45	0.18	0.0
October 8	66	39	0.00	0.0
October 9	81	41	0.00	0.0
October 10	71	40	0.00	0.0
October 11	83	40	0.00	0.0
October 12	81	51	0.00	0.0
October 13	71	40	0.00	0.0
October 14	82	44	0.00	0.0
October 15	73	37	0.00	0.0
October 16	42	29	0.83	5.8
October 17	50	15	0.00	0.0
October 18	40	30	0.13	0.0
October 19	55	26	0.19	0.3
October 20	65	30	0.00	0.0
October 21	71	40	0.00	0.0
October 22	69	36	0.00	0.0
October 23	70	35	0.00	0.0
October 24	78	36	0.00	0.0
October 25	69	40	0.00	0.0
October 26	79	40	0.00	0.0
October 27	75	42	0.00	0.0
October 28	58	28	0.00	0.0
October 29	62	42	0.00	0.0
October 30	62	27	0.00	0.0
October 31	74	33	0.00	0.0

November 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	62	35	0.00	0.0
November 2	60	17	0.00	0.0
November 3	64	34	0.00	0.0
November 4	72	37	0.00	0.0
November 5	69	34	0.00	0.0
November 6	73	34	0.00	0.0
November 7	74	38	0.00	0.0
November 8	75	46	0.00	0.0
November 9	68	49	0.00	0.0
November 10	66	35	0.00	0.0
November 11	68	35	0.00	0.0
November 12	73	33	0.00	0.0
November 13	74	39	0.00	0.0
November 14	72	37	0.00	0.0
November 15	74	35	0.00	0.0
November 16	74	39	0.00	0.0
November 17	74	38	0.00	0.0
November 18	62	n/a	0.00	0.0
November 19	58	25	0.00	0.0
November 20	65	35	0.00	0.0
November 21	54	38	0.00	0.0
November 22	n/a	25	0.81	10.5
November 23	36	13	0.00	0.0
November 24	32	11	0.00	0.0
November 25	52	16	n/a	0.0
November 26	64	41	0.00	0.0
November 27	63	32	0.00	0.0
November 28	60	30	0.00	0.0
November 29	58	27	0.00	0.0
November 30	67	29	0.00	0.0

December 1999 Boulder Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	66	41	0.00	0.0
December 2	55	30	0.00	0.0
December 3	40	29	0.59	4.8
December 4	42	21	0.05	0.7
December 5	47	14	0.00	0.0
December 6	50	27	0.00	0.0
December 7	51	36	0.00	0.0
December 8	36	20	0.16	2.3
December 9	42	10	0.00	0.0
December 10	41	19	0.00	0.0
December 11	43	20	0.00	0.0
December 12	44	21	0.00	0.0
December 13	53	23	0.00	0.0
December 14	44	20	0.00	0.0
December 15	43	24	0.00	0.0
December 16	54	33	0.00	0.0
December 17	49	30	0.00	0.0
December 18	41	35	0.00	0.0
December 19	42	12	0.00	0.0
December 20	36	14	0.00	0.0
December 21	34	24	0.21	1.0
December 22	44	11	0.00	0.0
December 23	54	27	0.00	0.0
December 24	60	30	0.00	0.0
December 25	58	30	0.00	0.0
December 26	53	24	0.00	0.0
December 27	54	29	0.00	0.0
December 28	63	32	0.00	0.0
December 29	63	30	0.00	0.0
December 30	58	27	0.00	0.0
December 31	60	26	0.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1893–2024	Boulder	location