Boise Weather in 1990

Historical record of Boise, Idaho weather for the year 1990 based on NOAA data.

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1990 Boise Weather Extremes
Highest temperature	109 °F	August 6
Lowest temperature	-25 °F	December 22
Highest daily low	71 °F	August 10
Lowest daily high	-6 °F	December 22
Most daily precipitation	1.8 inches	May 29
Most daily snow	4.2 inches	December 19
Total annual precipitation	12.1 inches	-
Total annual snow	27.9 inches	-

What was the hottest temperature in Boise in 1990?

The highest temperature recorded in Boise, Idaho in 1990 was 109 °F which happened on August 6.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boise in 1990

Rank	Temperature	Date
1	109 °F	Aug 6
2	107 °F	Aug 8
3	106 °F	Aug 5
4	104 °F	Aug 14
4	104 °F	Jul 30
4	104 °F	Jul 11
7	103 °F	Aug 7
7	103 °F	Jul 12
7	103 °F	Jun 29
10	102 °F	Jun 22

What was the coldest temperature in Boise in 1990?

The lowest temperature recorded in Boise, Idaho in 1990 was -25 °F which happened on Dec 22.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boise in 1990

Rank	Temperature	Date
1	-25 °F	December 22
2	-23 °F	December 21
3	-20 °F	December 25
3	-20 °F	December 24
5	-18 °F	December 23
6	-17 °F	December 29
7	-9 °F	December 30
8	-8 °F	December 20
9	2 °F	December 26
10	5 °F	December 16

January 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	34	22	0.08	0.8
January 2	32	7	0.03	0.3
January 3	31	6	0.00	0.0
January 4	31	19	0.07	1.3
January 5	29	23	0.00	0.0
January 6	39	19	0.00	0.0
January 7	46	36	0.27	0.0
January 8	54	39	0.00	0.0
January 9	58	41	0.00	0.0
January 10	52	36	0.00	0.0
January 11	48	35	0.00	0.0
January 12	44	31	0.00	0.0
January 13	51	35	0.04	0.0
January 14	41	35	0.16	0.0
January 15	45	27	0.00	0.0
January 16	47	32	0.00	0.0
January 17	40	25	0.00	0.0
January 18	41	21	0.00	0.0
January 19	32	18	0.00	0.0
January 20	33	18	0.00	0.0
January 21	39	19	0.00	0.0
January 22	48	24	0.00	0.0
January 23	45	25	0.03	0.0
January 24	40	18	0.00	0.0
January 25	48	30	0.00	0.0
January 26	48	27	0.00	0.0
January 27	36	26	0.01	0.1
January 28	42	24	0.08	1.2
January 29	44	34	0.00	0.0
January 30	44	31	0.06	1.4
January 31	40	31	0.01	0.1

February 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	43	30	0.07	0.9
February 2	39	21	0.00	0.0
February 3	45	30	0.00	0.0
February 4	40	21	0.05	0.5
February 5	39	22	0.00	0.0
February 6	38	21	0.05	0.5
February 7	36	20	0.00	0.0
February 8	35	27	0.15	2.5
February 9	43	33	0.27	0.0
February 10	55	35	0.02	0.0
February 11	58	35	0.00	0.0
February 12	42	24	0.00	0.0
February 13	31	19	0.00	0.1
February 14	28	15	0.00	0.0
February 15	34	8	0.00	0.0
February 16	36	29	0.01	0.1
February 17	37	22	0.02	0.2
February 18	37	14	0.00	0.0
February 19	40	14	0.00	0.0
February 20	38	21	0.11	1.3
February 21	45	27	0.04	0.4
February 22	51	26	0.00	0.0
February 23	56	30	0.00	0.0
February 24	54	33	0.00	0.0
February 25	58	32	0.00	0.0
February 26	55	28	0.00	0.0
February 27	54	24	0.00	0.0
February 28	56	26	0.00	0.0

March 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	50	37	0.05	0.0
March 2	48	35	0.12	0.0
March 3	54	37	0.11	0.0
March 4	51	34	0.00	0.0
March 5	53	30	0.00	0.0
March 6	54	30	0.00	0.0
March 7	60	29	0.00	0.0
March 8	52	26	0.00	0.0
March 9	57	25	0.00	0.0
March 10	52	32	0.20	0.3
March 11	41	26	0.01	0.1
March 12	44	17	0.00	0.0
March 13	46	24	0.00	0.0
March 14	47	27	0.09	0.0
March 15	53	29	0.00	0.0
March 16	61	27	0.00	0.0
March 17	62	39	0.00	0.0
March 18	69	39	0.00	0.0
March 19	71	46	0.00	0.0
March 20	64	34	0.00	0.0
March 21	63	32	0.00	0.0
March 22	69	40	0.00	0.0
March 23	55	35	0.19	0.0
March 24	53	28	0.00	0.0
March 25	62	28	0.00	0.0
March 26	63	32	0.00	0.0
March 27	63	30	0.00	0.0
March 28	61	30	0.00	0.0
March 29	62	29	0.00	0.0
March 30	65	28	0.00	0.0
March 31	70	35	0.00	0.0

April 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	77	44	0.00
April 2	78	42	0.00
April 3	75	36	0.00
April 4	74	39	0.00
April 5	69	30	0.00
April 6	72	39	0.00
April 7	73	41	0.00
April 8	64	46	0.49
April 9	63	30	0.00
April 10	75	36	0.00
April 11	74	50	0.00
April 12	64	42	0.00
April 13	73	37	0.00
April 14	80	43	0.00
April 15	85	45	0.00
April 16	84	52	0.00
April 17	78	48	0.03
April 18	70	49	0.00
April 19	78	46	0.00
April 20	73	48	0.04
April 21	64	47	0.18
April 22	62	51	0.10
April 23	62	45	0.41
April 24	60	41	0.00
April 25	58	31	0.07
April 26	56	35	0.00
April 27	50	39	0.70
April 28	52	37	0.11
April 29	50	32	0.01
April 30	60	28	0.00

May 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	30	0.00
May 2	70	41	0.00
May 3	73	38	0.00
May 4	78	40	0.00
May 5	86	52	0.00
May 6	68	45	0.00
May 7	56	31	0.00
May 8	59	33	0.00
May 9	71	33	0.00
May 10	74	41	0.00
May 11	70	46	0.00
May 12	63	42	0.00
May 13	65	36	0.00
May 14	62	43	0.00
May 15	63	28	0.00
May 16	73	38	0.00
May 17	76	46	0.00
May 18	68	44	0.00
May 19	69	47	0.00
May 20	65	48	0.22
May 21	72	51	0.00
May 22	76	55	0.19
May 23	76	46	0.38
May 24	58	41	0.45
May 25	67	39	0.00
May 26	69	51	0.00
May 27	73	54	0.26
May 28	65	54	0.48
May 29	68	53	1.77
May 30	70	47	0.02
May 31	53	39	0.30

June 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	64	36	0.00
June 2	71	49	0.00
June 3	84	56	0.00
June 4	72	50	0.00
June 5	76	43	0.00
June 6	76	51	0.11
June 7	73	52	0.00
June 8	84	50	0.00
June 9	90	56	0.00
June 10	75	50	0.00
June 11	70	36	0.00
June 12	64	47	0.00
June 13	70	38	0.00
June 14	71	49	0.00
June 15	74	42	0.00
June 16	79	45	0.00
June 17	79	56	0.00
June 18	80	53	0.00
June 19	81	46	0.00
June 20	87	51	0.00
June 21	93	57	0.00
June 22	102	67	0.00
June 23	92	60	0.00
June 24	96	62	0.00
June 25	96	54	0.00
June 26	94	59	0.00
June 27	88	52	0.00
June 28	88	51	0.00
June 29	103	62	0.00
June 30	101	60	0.00

July 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	98	67	0.00
July 2	86	56	0.13
July 3	80	40	0.00
July 4	91	49	0.00
July 5	91	58	0.00
July 6	84	58	0.00
July 7	84	54	0.00
July 8	93	51	0.00
July 9	97	62	0.00
July 10	98	65	0.00
July 11	104	66	0.00
July 12	103	65	0.02
July 13	100	64	0.00
July 14	96	60	0.00
July 15	97	57	0.00
July 16	99	58	0.00
July 17	96	56	0.00
July 18	94	66	0.00
July 19	92	57	0.00
July 20	92	69	0.00
July 21	95	64	0.00
July 22	99	66	0.00
July 23	93	65	0.00
July 24	81	57	0.01
July 25	79	49	0.26
July 26	80	50	0.00
July 27	91	59	0.00
July 28	94	57	0.00
July 29	100	65	0.00
July 30	104	68	0.00
July 31	92	60	0.00

August 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	93	56	0.00
August 2	88	50	0.00
August 3	91	53	0.00
August 4	97	57	0.00
August 5	106	62	0.00
August 6	109	66	0.00
August 7	103	68	0.00
August 8	107	65	0.00
August 9	100	68	0.00
August 10	96	71	0.00
August 11	94	60	0.00
August 12	96	67	0.00
August 13	100	66	0.00
August 14	104	70	0.00
August 15	95	69	0.00
August 16	88	61	0.00
August 17	87	57	0.00
August 18	68	56	0.03
August 19	73	55	0.00
August 20	74	52	0.14
August 21	80	53	0.01
August 22	78	54	0.00
August 23	81	55	0.00
August 24	77	56	0.21
August 25	74	51	0.00
August 26	77	49	0.00
August 27	85	53	0.00
August 28	87	53	0.00
August 29	94	63	0.00
August 30	78	57	0.00
August 31	84	48	0.00

September 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	91	50	0.00
September 2	88	54	0.00
September 3	88	54	0.00
September 4	98	58	0.00
September 5	94	69	0.00
September 6	92	63	0.00
September 7	92	63	0.00
September 8	91	60	0.00
September 9	92	57	0.00
September 10	97	54	0.00
September 11	95	57	0.00
September 12	88	54	0.00
September 13	88	48	0.00
September 14	90	58	0.00
September 15	82	52	0.00
September 16	74	43	0.00
September 17	75	42	0.00
September 18	78	45	0.00
September 19	80	46	0.00
September 20	77	42	0.00
September 21	79	42	0.00
September 22	89	55	0.00
September 23	87	54	0.00
September 24	89	59	0.00
September 25	87	59	0.00
September 26	81	61	0.50
September 27	79	53	0.00
September 28	82	49	0.00
September 29	81	53	0.00
September 30	83	52	0.00

October 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	87	54	0.00
October 2	61	46	0.00
October 3	62	35	0.02
October 4	84	46	0.00
October 5	70	45	0.03
October 6	56	31	0.00
October 7	55	24	0.00
October 8	58	28	0.00
October 9	69	36	0.00
October 10	64	40	0.00
October 11	58	22	0.00
October 12	67	44	0.00
October 13	61	35	0.00
October 14	60	31	0.03
October 15	67	45	0.00
October 16	55	28	0.00
October 17	61	28	0.00
October 18	58	43	0.15
October 19	51	32	0.00
October 20	51	20	0.00
October 21	61	36	0.12
October 22	54	33	0.04
October 23	60	32	0.00
October 24	73	34	0.00
October 25	81	41	0.00
October 26	68	41	0.00
October 27	81	43	0.00
October 28	78	46	0.00
October 29	69	39	0.00
October 30	72	49	0.00
October 31	62	41	0.06

November 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	47	33	0.00	0.0
November 2	47	23	0.00	0.0
November 3	51	19	0.00	0.0
November 4	49	39	0.24	0.0
November 5	48	33	0.00	0.0
November 6	50	26	0.00	0.0
November 7	43	25	0.00	0.0
November 8	52	35	0.04	0.0
November 9	64	38	0.00	0.0
November 10	69	40	0.00	0.0
November 11	62	31	0.00	0.0
November 12	63	31	0.00	0.0
November 13	68	35	0.00	0.0
November 14	51	29	0.02	0.0
November 15	48	23	0.00	0.0
November 16	52	29	0.00	0.0
November 17	54	30	0.00	0.0
November 18	49	33	0.00	0.0
November 19	49	29	0.04	0.0
November 20	42	32	0.02	0.0
November 21	44	32	0.11	0.1
November 22	54	35	0.00	0.0
November 23	57	37	0.00	0.0
November 24	62	40	0.00	0.0
November 25	58	35	0.14	0.0
November 26	39	22	0.00	0.0
November 27	38	21	0.00	0.0
November 28	44	24	0.00	0.0
November 29	51	32	0.00	0.0
November 30	49	23	0.00	0.0

December 1990 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	43	21	0.03	0.3
December 2	40	21	0.00	0.0
December 3	45	26	0.00	0.0
December 4	52	28	0.00	0.0
December 5	43	23	0.00	0.0
December 6	43	19	0.00	0.0
December 7	42	19	0.00	0.0
December 8	48	21	0.00	0.0
December 9	52	20	0.00	0.0
December 10	46	25	0.03	0.0
December 11	42	20	0.05	0.0
December 12	38	19	0.00	0.0
December 13	31	21	0.18	1.5
December 14	32	7	0.00	0.0
December 15	29	12	0.00	0.0
December 16	27	5	0.00	0.0
December 17	38	19	0.00	0.0
December 18	44	24	0.09	1.6
December 19	29	9	0.15	4.2
December 20	9	-8	0.07	1.1
December 21	-3	-23	0.01	0.1
December 22	-6	-25	0.00	0.0
December 23	-2	-18	0.00	0.0
December 24	0	-20	0.06	1.4
December 25	7	-20	0.10	1.7
December 26	14	2	0.00	0.0
December 27	31	6	0.08	1.1
December 28	30	9	0.13	2.7
December 29	10	-17	0.00	0.0
December 30	8	-9	0.00	0.0
December 31	19	6	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1940–2024		location
1911–1939	Meridian 1 W	location