Quincy Weather in 1999

Historical record of Quincy, Illinois weather for the year 1999 based on NOAA data.

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1999 Quincy Weather Extremes
Highest temperature	101 °F	July 29
Lowest temperature	-16 °F	January 5
Highest daily low	77 °F	July 30
Lowest daily high	2 °F	January 4
Most daily precipitation	2.0 inches	June 30
Most daily snow	9.6 inches	January 1
Total annual precipitation	30.2 inches	-
Total annual snow	34.1 inches	-

What was the hottest temperature in Quincy in 1999?

The highest temperature recorded in Quincy, Illinois in 1999 was 101 °F which happened on July 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in Quincy in 1999

Rank	Temperature	Date
1	101 °F	Jul 29
2	99 °F	Jul 30
2	99 °F	Jul 25
4	98 °F	Jul 26
5	96 °F	Aug 12
5	96 °F	Jul 23
7	95 °F	Sep 4
8	94 °F	Aug 16
8	94 °F	Jul 28
8	94 °F	Jul 27
8	94 °F	Jul 24
8	94 °F	Jul 22
8	94 °F	Jul 21
8	94 °F	Jul 20
8	94 °F	Jul 19

What was the coldest temperature in Quincy in 1999?

The lowest temperature recorded in Quincy, Illinois in 1999 was -16 °F which happened on Jan 5.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Quincy in 1999

Rank	Temperature	Date
1	-16 °F	January 5
2	-11 °F	January 4
3	-8 °F	January 9
4	-3 °F	January 3
5	1 °F	January 7
6	2 °F	December 21
6	2 °F	January 1
8	5 °F	January 8
9	7 °F	January 6
10	9 °F	January 10

January 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	18	2	0.58	9.6
January 2	19	16	0.33	3.6
January 3	19	-3	0.03	0.3
January 4	2	-11	0.00	0.0
January 5	27	-16	0.01	0.0
January 6	28	7	0.02	0.4
January 7	7	1	0.01	0.9
January 8	13	5	0.02	0.5
January 9	9	-8	0.00	0.0
January 10	19	9	0.00	0.2
January 11	43	11	0.00	0.0
January 12	38	17	0.03	0.2
January 13	21	15	0.00	0.0
January 14	26	16	0.00	0.0
January 15	39	23	0.00	0.0
January 16	42	29	0.00	0.0
January 17	39	32	0.20	0.0
January 18	39	27	0.00	0.0
January 19	35	22	0.03	0.0
January 20	34	19	0.01	0.0
January 21	38	32	0.93	0.0
January 22	36	34	0.48	0.0
January 23	36	32	0.21	0.5
January 24	40	32	0.00	0.0
January 25	34	25	0.00	0.0
January 26	49	25	0.00	0.0
January 27	53	32	0.00	0.0
January 28	36	27	0.00	0.0
January 29	36	25	0.00	0.0
January 30	43	27	0.00	0.0
January 31	40	33	0.48	0.0

February 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	42	39	0.04	0.0
February 2	46	35	0.08	0.0
February 3	52	35	0.00	0.0
February 4	43	29	0.00	0.0
February 5	55	30	0.00	0.0
February 6	53	32	0.16	0.0
February 7	44	33	0.84	0.0
February 8	55	40	0.00	0.0
February 9	53	37	0.00	0.0
February 10	65	38	0.00	0.0
February 11	70	28	0.42	0.0
February 12	33	22	0.00	0.0
February 13	37	20	0.00	0.0
February 14	56	28	0.00	0.0
February 15	61	40	0.00	0.0
February 16	43	32	0.03	0.1
February 17	40	27	0.00	0.0
February 18	37	31	0.04	0.1
February 19	39	31	0.00	0.0
February 20	33	26	0.06	0.6
February 21	36	20	0.00	0.0
February 22	33	23	0.03	1.5
February 23	32	28	0.14	2.7
February 24	38	28	0.00	0.0
February 25	44	24	0.00	0.0
February 26	52	29	0.00	0.0
February 27	54	40	0.00	0.0
February 28	45	33	0.00	0.0

March 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	56	27	0.00	0.0
March 2	48	32	0.22	0.0
March 3	36	24	0.00	0.0
March 4	45	23	0.00	0.0
March 5	45	33	0.93	0.0
March 6	33	23	0.00	0.0
March 7	34	18	0.00	0.0
March 8	33	28	0.74	6.6
March 9	34	31	0.00	0.0
March 10	34	25	0.00	0.0
March 11	34	25	0.00	0.0
March 12	38	20	0.00	0.0
March 13	37	29	0.00	0.0
March 14	40	25	0.00	0.0
March 15	50	25	0.00	0.0
March 16	70	38	0.00	0.0
March 17	64	39	0.00	0.0
March 18	51	33	0.00	0.0
March 19	51	28	0.00	0.0
March 20	55	38	0.00	0.0
March 21	52	31	0.00	0.0
March 22	45	27	0.00	0.0
March 23	53	34	0.00	0.0
March 24	52	31	0.00	0.0
March 25	49	25	0.00	0.0
March 26	48	25	0.00	0.0
March 27	58	32	0.00	0.0
March 28	58	41	0.21	0.0
March 29	64	39	0.00	0.0
March 30	70	47	0.00	0.0
March 31	69	43	0.00	0.0

April 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	71	55	0.00	0.0
April 2	78	58	0.00	0.0
April 3	73	62	0.29	0.0
April 4	62	47	0.01	0.0
April 5	68	49	0.97	0.0
April 6	62	45	0.00	0.0
April 7	79	46	0.00	0.0
April 8	77	54	0.19	0.0
April 9	60	46	0.00	0.0
April 10	66	46	0.00	0.0
April 11	57	42	0.00	0.0
April 12	61	36	0.00	0.0
April 13	65	43	0.00	0.0
April 14	56	47	0.26	0.0
April 15	47	37	1.87	0.0
April 16	37	33	0.71	3.7
April 17	52	36	0.00	0.0
April 18	58	39	0.00	0.0
April 19	66	39	0.00	0.0
April 20	61	45	0.32	0.0
April 21	77	49	0.00	0.0
April 22	75	56	0.72	0.0
April 23	56	47	0.02	0.0
April 24	61	44	0.00	0.0
April 25	59	42	0.00	0.0
April 26	58	49	0.11	0.0
April 27	68	55	0.06	0.0
April 28	55	48	0.45	0.0
April 29	67	46	0.00	0.0
April 30	68	41	0.00	0.0

May 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	72	44	0.00
May 2	74	49	0.00
May 3	76	59	0.00
May 4	77	60	0.85
May 5	75	57	0.00
May 6	62	49	0.00
May 7	59	51	0.00
May 8	65	48	0.00
May 9	72	48	0.00
May 10	82	56	0.00
May 11	75	64	0.00
May 12	70	55	0.73
May 13	55	52	0.10
May 14	68	51	0.00
May 15	67	54	0.38
May 16	83	62	0.14
May 17	73	60	1.04
May 18	70	54	0.00
May 19	75	49	0.00
May 20	77	57	0.00
May 21	73	60	0.26
May 22	77	56	0.00
May 23	72	55	0.00
May 24	66	51	0.00
May 25	69	50	0.00
May 26	71	46	0.00
May 27	77	49	0.00
May 28	80	53	0.00
May 29	81	58	0.00
May 30	78	62	0.00
May 31	79	63	0.00

June 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	82	61	1.04
June 2	66	58	0.00
June 3	73	55	0.00
June 4	86	65	0.29
June 5	89	66	0.00
June 6	90	74	0.00
June 7	90	68	0.00
June 8	91	71	0.00
June 9	89	69	0.00
June 10	88	68	0.38
June 11	86	68	0.02
June 12	83	68	0.01
June 13	80	65	0.01
June 14	75	56	0.00
June 15	70	50	0.00
June 16	64	55	0.00
June 17	70	50	0.00
June 18	72	50	0.00
June 19	77	61	0.00
June 20	80	59	0.00
June 21	84	64	0.00
June 22	86	68	0.00
June 23	78	69	0.62
June 24	87	67	0.00
June 25	87	66	0.00
June 26	83	70	0.00
June 27	86	69	0.00
June 28	79	61	0.18
June 29	74	55	0.00
June 30	79	56	1.97

July 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	64	0.32
July 2	87	67	0.00
July 3	90	76	0.00
July 4	90	74	0.00
July 5	90	75	0.00
July 6	84	65	0.00
July 7	84	61	0.00
July 8	87	65	0.00
July 9	84	68	0.00
July 10	74	58	0.00
July 11	77	56	0.00
July 12	79	57	0.00
July 13	82	58	0.00
July 14	84	62	0.00
July 15	90	67	0.00
July 16	90	73	0.01
July 17	88	72	0.06
July 18	91	73	0.10
July 19	94	73	0.00
July 20	94	75	0.00
July 21	94	74	0.00
July 22	94	73	0.00
July 23	96	73	0.05
July 24	94	70	0.00
July 25	99	75	0.00
July 26	98	72	0.03
July 27	94	73	0.00
July 28	94	72	0.45
July 29	101	76	0.00
July 30	99	77	0.00
July 31	82	72	0.00

August 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	64	0.00
August 2	80	63	0.00
August 3	78	65	0.00
August 4	88	61	0.00
August 5	84	59	0.00
August 6	87	66	0.00
August 7	86	70	0.49
August 8	81	62	0.00
August 9	82	60	0.00
August 10	91	67	0.00
August 11	84	65	0.01
August 12	96	71	0.01
August 13	80	64	0.01
August 14	76	58	0.00
August 15	83	56	0.00
August 16	94	61	0.00
August 17	91	70	0.00
August 18	85	66	0.13
August 19	78	61	0.00
August 20	80	56	0.00
August 21	82	58	0.00
August 22	87	59	0.00
August 23	90	61	0.61
August 24	77	58	0.00
August 25	82	63	0.00
August 26	86	62	0.00
August 27	90	66	0.00
August 28	92	67	0.00
August 29	90	64	0.00
August 30	75	56	0.00
August 31	82	57	0.00

September 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	91	56	0.00
September 2	93	70	0.00
September 3	92	72	0.00
September 4	95	67	0.00
September 5	83	62	0.00
September 6	81	55	0.00
September 7	88	58	0.00
September 8	82	58	0.00
September 9	76	49	0.00
September 10	82	47	0.00
September 11	86	56	0.00
September 12	74	57	0.23
September 13	70	46	0.00
September 14	76	46	0.00
September 15	71	48	0.00
September 16	71	43	0.00
September 17	75	45	0.00
September 18	82	51	0.00
September 19	72	60	0.33
September 20	65	43	0.00
September 21	64	41	0.00
September 22	72	40	0.00
September 23	82	44	0.00
September 24	78	57	0.00
September 25	88	52	0.00
September 26	86	63	0.00
September 27	75	54	0.25
September 28	56	53	1.16
September 29	64	43	0.00
September 30	72	39	0.00

October 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	72	45	0.00
October 2	57	43	0.15
October 3	46	41	0.57
October 4	55	39	0.00
October 5	70	36	0.00
October 6	72	43	0.00
October 7	77	47	0.00
October 8	73	58	0.22
October 9	69	58	0.01
October 10	81	51	0.00
October 11	71	43	0.00
October 12	81	51	0.00
October 13	68	40	0.00
October 14	65	38	0.00
October 15	84	55	0.00
October 16	71	52	0.03
October 17	54	36	0.00
October 18	54	32	0.00
October 19	62	35	0.01
October 20	58	31	0.00
October 21	73	42	0.00
October 22	60	37	0.00
October 23	50	31	0.00
October 24	54	27	0.00
October 25	70	34	0.00
October 26	69	40	0.00
October 27	78	45	0.00
October 28	79	54	0.00
October 29	77	57	0.00
October 30	72	56	0.00
October 31	74	54	0.00

November 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	73	43	0.00
November 2	46	33	0.00
November 3	59	23	0.00
November 4	65	38	0.00
November 5	71	44	0.00
November 6	71	43	0.00
November 7	67	46	0.00
November 8	78	49	0.00
November 9	76	54	0.00
November 10	70	45	0.00
November 11	54	39	0.00
November 12	74	38	0.00
November 13	77	42	0.00
November 14	66	36	0.00
November 15	56	30	0.00
November 16	55	28	0.00
November 17	58	36	0.00
November 18	74	51	0.00
November 19	62	38	0.02
November 20	53	31	0.00
November 21	60	38	0.00
November 22	62	46	0.00
November 23	62	40	0.27
November 24	49	31	0.00
November 25	48	30	0.00
November 26	52	30	0.00
November 27	55	32	0.00
November 28	48	29	0.00
November 29	46	25	0.00
November 30	41	22	0.00

December 1999 Quincy Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	51	30	0.00	0.0
December 2	63	46	0.00	0.0
December 3	61	44	0.20	0.0
December 4	51	43	1.24	0.0
December 5	44	30	0.44	0.1
December 6	38	24	0.00	0.0
December 7	48	31	0.00	0.0
December 8	53	34	0.00	0.0
December 9	51	38	0.92	0.0
December 10	39	28	0.00	0.0
December 11	43	27	0.01	0.0
December 12	43	30	0.00	0.0
December 13	43	25	0.00	0.0
December 14	37	30	0.00	0.0
December 15	34	27	0.40	1.4
December 16	31	20	0.05	0.7
December 17	31	21	0.00	0.0
December 18	30	23	0.00	0.0
December 19	41	24	0.04	0.0
December 20	30	10	0.01	0.2
December 21	17	2	0.00	0.0
December 22	23	15	0.01	0.2
December 23	32	14	0.01	0.0
December 24	32	12	0.00	0.0
December 25	42	16	0.00	0.0
December 26	38	26	0.00	0.0
December 27	30	14	0.00	0.0
December 28	48	15	0.00	0.0
December 29	58	27	0.00	0.0
December 30	46	28	0.00	0.0
December 31	50	27	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1949–2024	Quincy Regional Airport	location
1901–1948	Quincy	location