Boise Weather in 2023

Historical record of Boise, Idaho weather for the year 2023 based on NOAA data.

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2023 Boise Weather Extremes
Highest temperature	105 °F	August 16
Lowest temperature	9 °F	January 30
Highest daily low	78 °F	July 24
Lowest daily high	23 °F	January 30
Most daily precipitation	1.5 inches	August 26
Most daily snow	3.1 inches	January 19
Total annual precipitation	13.8 inches	-
Total annual snow	22.4 inches	-

What was the hottest temperature in Boise in 2023?

The highest temperature recorded in Boise, Idaho in 2023 was 105 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boise in 2023

Rank	Temperature	Date
1	105 °F	Aug 16
1	105 °F	Jul 21
1	105 °F	Jul 16
4	104 °F	Aug 15
5	103 °F	Jul 22
5	103 °F	Jul 9
7	102 °F	Jul 20
8	101 °F	Jul 23
8	101 °F	Jul 19
8	101 °F	Jul 15

What was the coldest temperature in Boise in 2023?

The lowest temperature recorded in Boise, Idaho in 2023 was 9 °F which happened on Jan 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boise in 2023

Rank	Temperature	Date
1	9 °F	January 30
2	13 °F	January 31
2	13 °F	January 20
4	15 °F	February 1
4	15 °F	January 29
4	15 °F	January 24
4	15 °F	January 21
8	16 °F	February 2
8	16 °F	January 23
10	19 °F	November 29
10	19 °F	November 27
10	19 °F	November 25

January 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	40	26	0.00	0.0
January 2	34	20	0.00	0.0
January 3	34	21	0.00	0.0
January 4	44	29	0.00	0.0
January 5	49	36	0.06	0.0
January 6	48	32	0.05	0.0
January 7	48	28	0.00	0.0
January 8	47	36	0.00	0.0
January 9	47	37	0.09	0.0
January 10	40	30	0.10	0.0
January 11	48	31	0.00	0.0
January 12	52	37	0.00	0.0
January 13	52	37	0.09	0.0
January 14	52	41	0.04	0.0
January 15	50	37	0.00	0.0
January 16	45	31	0.00	0.0
January 17	44	25	0.00	0.0
January 18	43	25	0.00	0.0
January 19	36	23	0.24	3.1
January 20	32	13	0.00	0.0
January 21	32	15	0.00	0.1
January 22	31	24	0.00	0.0
January 23	32	16	0.00	0.0
January 24	37	15	0.00	0.0
January 25	42	22	0.00	0.0
January 26	48	28	0.00	0.0
January 27	44	34	0.00	0.0
January 28	39	28	0.04	0.6
January 29	28	15	0.00	0.0
January 30	23	9	0.00	0.0
January 31	24	13	0.00	0.0

February 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	34	15	0.00	0.0
February 2	40	16	0.00	0.0
February 3	45	22	0.00	0.0
February 4	50	23	0.00	0.0
February 5	51	37	0.04	0.0
February 6	48	30	0.00	0.0
February 7	50	29	0.00	0.0
February 8	45	28	0.00	0.0
February 9	46	25	0.00	0.0
February 10	50	29	0.00	0.0
February 11	47	23	0.00	0.0
February 12	48	25	0.00	0.0
February 13	49	26	0.06	1.0
February 14	35	25	0.05	1.1
February 15	43	25	0.00	0.0
February 16	44	23	0.00	0.0
February 17	44	21	0.00	0.0
February 18	39	23	0.00	0.0
February 19	48	23	0.00	0.0
February 20	55	35	0.00	0.0
February 21	51	27	0.00	0.0
February 22	40	25	0.00	0.2
February 23	37	24	0.00	0.0
February 24	45	20	0.00	0.0
February 25	53	23	0.00	0.0
February 26	41	29	0.04	0.2
February 27	42	26	0.19	0.8
February 28	40	30	0.04	0.3

March 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	43	27	0.09	2.1
March 2	39	23	0.00	0.0
March 3	41	30	0.00	0.0
March 4	43	28	0.02	0.1
March 5	42	27	0.10	1.5
March 6	41	27	0.01	0.0
March 7	43	27	0.01	0.2
March 8	41	28	0.07	0.5
March 9	46	25	0.04	0.3
March 10	50	36	0.09	0.0
March 11	51	33	0.00	0.0
March 12	52	30	0.05	0.0
March 13	56	41	0.10	0.0
March 14	53	42	0.26	0.0
March 15	49	31	0.06	0.0
March 16	50	25	0.00	0.0
March 17	52	27	0.00	0.0
March 18	54	29	0.00	0.0
March 19	58	30	0.00	0.0
March 20	48	33	0.29	0.5
March 21	51	33	0.10	0.2
March 22	55	31	0.00	0.0
March 23	52	33	0.09	0.2
March 24	44	28	0.05	0.6
March 25	42	27	0.00	0.0
March 26	44	24	0.00	0.0
March 27	49	22	0.00	0.0
March 28	51	39	0.00	0.0
March 29	44	37	0.12	0.0
March 30	44	33	0.92	2.9
March 31	51	37	0.00	0.0

April 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	50	38	0.18	0.0
April 2	51	35	0.00	0.0
April 3	46	30	0.00	0.0
April 4	46	31	0.01	0.1
April 5	50	24	0.00	0.0
April 6	56	34	0.00	0.0
April 7	55	39	0.00	0.0
April 8	63	37	0.00	0.0
April 9	73	42	0.00	0.0
April 10	82	50	0.00	0.0
April 11	66	42	0.00	0.0
April 12	50	34	0.00	0.0
April 13	51	32	0.08	1.0
April 14	56	31	0.00	0.0
April 15	66	37	0.00	0.0
April 16	74	42	0.00	0.0
April 17	60	42	0.01	0.0
April 18	47	30	0.16	0.9
April 19	51	27	0.03	0.0
April 20	52	28	0.00	0.0
April 21	53	39	0.08	0.0
April 22	59	40	0.00	0.0
April 23	61	41	0.05	0.0
April 24	58	41	0.00	0.0
April 25	65	37	0.00	0.0
April 26	72	40	0.00	0.0
April 27	75	46	0.00	0.0
April 28	78	46	0.00	0.0
April 29	86	47	0.00	0.0
April 30	90	52	0.01	0.0

May 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	81	57	0.00
May 2	80	54	0.00
May 3	85	52	0.00
May 4	74	52	0.00
May 5	61	47	0.07
May 6	63	44	0.11
May 7	59	45	0.41
May 8	67	44	0.22
May 9	62	42	0.19
May 10	69	41	0.00
May 11	74	42	0.00
May 12	78	46	0.00
May 13	81	52	0.00
May 14	72	56	0.01
May 15	82	53	0.24
May 16	83	56	0.00
May 17	82	56	0.00
May 18	84	57	0.00
May 19	90	61	0.00
May 20	92	60	0.00
May 21	91	62	0.03
May 22	74	56	0.00
May 23	75	52	0.00
May 24	79	53	0.01
May 25	82	51	0.00
May 26	78	58	0.01
May 27	76	53	0.00
May 28	81	53	0.00
May 29	86	55	0.00
May 30	84	58	0.08
May 31	76	58	0.05

June 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	51	0.00
June 2	80	54	0.00
June 3	85	55	0.00
June 4	86	63	0.00
June 5	86	63	0.00
June 6	92	59	0.56
June 7	90	59	0.02
June 8	79	61	0.15
June 9	73	58	0.09
June 10	82	59	0.00
June 11	86	59	0.04
June 12	84	60	0.01
June 13	87	61	0.05
June 14	76	57	0.00
June 15	78	49	0.00
June 16	80	50	0.00
June 17	81	61	0.00
June 18	74	53	0.05
June 19	62	48	0.00
June 20	66	41	0.00
June 21	73	43	0.00
June 22	82	49	0.00
June 23	84	53	0.00
June 24	88	56	0.00
June 25	86	59	0.00
June 26	83	57	0.00
June 27	81	55	0.00
June 28	82	57	0.00
June 29	89	58	0.00
June 30	96	65	0.00

July 2023 Boise Weather

Day	High (°F)	Low (°F)
July 1	98	70
July 2	98	62
July 3	93	61
July 4	88	56
July 5	92	60
July 6	96	62
July 7	98	66
July 8	95	69
July 9	103	66
July 10	95	67
July 11	93	63
July 12	97	63
July 13	94	64
July 14	94	62
July 15	101	65
July 16	105	70
July 17	96	75
July 18	94	60
July 19	101	60
July 20	102	72
July 21	105	70
July 22	103	70
July 23	101	70
July 24	97	78
July 25	93	65
July 26	95	62
July 27	95	63
July 28	98	64
July 29	98	69
July 30	99	68
July 31	96	62

August 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	98	61	0.00
August 2	95	71	0.00
August 3	92	70	0.02
August 4	81	64	0.02
August 5	89	60	0.00
August 6	86	61	0.01
August 7	82	58	0.00
August 8	83	56	0.00
August 9	93	65	0.00
August 10	90	61	0.00
August 11	96	62	0.00
August 12	92	61	0.00
August 13	93	59	0.00
August 14	99	69	0.00
August 15	104	71	0.00
August 16	105	71	0.00
August 17	100	72	0.00
August 18	96	72	0.00
August 19	86	66	0.00
August 20	77	69	0.02
August 21	87	66	0.37
August 22	87	63	0.89
August 23	86	60	0.00
August 24	92	61	0.00
August 25	92	70	0.00
August 26	97	67	1.46
August 27	93	65	0.00
August 28	99	66	0.00
August 29	96	67	0.00
August 30	77	57	0.00
August 31	90	56	0.00

September 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	85	62	0.00
September 2	82	65	0.01
September 3	72	63	0.15
September 4	75	59	0.02
September 5	84	57	0.00
September 6	90	61	0.03
September 7	89	59	0.00
September 8	85	59	0.00
September 9	90	58	0.00
September 10	91	62	0.00
September 11	93	63	0.00
September 12	87	62	0.00
September 13	83	58	0.00
September 14	83	52	0.00
September 15	89	58	0.00
September 16	93	58	0.00
September 17	88	58	0.00
September 18	86	60	0.00
September 19	76	51	0.00
September 20	71	47	0.00
September 21	66	43	0.00
September 22	70	48	0.01
September 23	78	49	0.00
September 24	80	55	0.00
September 25	88	53	0.00
September 26	80	53	0.00
September 27	73	51	0.00
September 28	69	42	0.00
September 29	78	49	0.00
September 30	57	48	0.23

October 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	52	46	0.47
October 2	64	49	0.01
October 3	65	52	0.09
October 4	70	44	0.00
October 5	74	47	0.00
October 6	78	51	0.00
October 7	82	53	0.00
October 8	87	53	0.00
October 9	86	55	0.02
October 10	65	50	0.09
October 11	59	48	0.03
October 12	64	40	0.00
October 13	70	43	0.00
October 14	73	53	0.00
October 15	81	53	0.00
October 16	82	54	0.00
October 17	72	50	0.00
October 18	75	48	0.00
October 19	79	51	0.00
October 20	80	52	0.00
October 21	79	51	0.00
October 22	73	50	0.06
October 23	68	48	0.14
October 24	63	38	0.00
October 25	58	39	0.33
October 26	50	35	0.00
October 27	50	33	0.00
October 28	46	27	0.00
October 29	48	24	0.00
October 30	50	26	0.00
October 31	56	29	0.00

November 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	57	35	0.00	0.0
November 2	51	44	0.33	0.0
November 3	61	43	0.06	0.0
November 4	58	44	0.13	0.0
November 5	65	46	0.01	0.0
November 6	57	42	0.11	0.0
November 7	55	40	0.00	0.0
November 8	51	31	0.00	0.0
November 9	53	31	0.00	0.0
November 10	55	35	0.00	0.0
November 11	59	41	0.00	0.0
November 12	66	40	0.00	0.0
November 13	63	39	0.00	0.0
November 14	61	37	0.00	0.0
November 15	67	41	0.00	0.0
November 16	62	40	0.00	0.0
November 17	60	36	0.00	0.0
November 18	57	39	0.02	0.0
November 19	50	35	0.50	0.0
November 20	47	28	0.00	0.0
November 21	48	31	0.00	0.0
November 22	45	29	0.02	0.0
November 23	47	32	0.00	0.0
November 24	44	27	0.00	0.0
November 25	41	19	0.00	0.0
November 26	37	22	0.00	0.0
November 27	37	19	0.00	0.0
November 28	38	21	0.00	0.0
November 29	36	19	0.00	0.0
November 30	36	24	0.01	0.1

December 2023 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	36	28	0.24	2.5
December 2	43	32	0.20	0.1
December 3	43	34	0.42	0.0
December 4	52	42	0.05	0.0
December 5	61	42	0.00	0.0
December 6	57	39	0.00	0.0
December 7	49	35	0.28	0.0
December 8	43	27	0.00	0.0
December 9	39	24	0.00	0.0
December 10	43	36	0.12	0.0
December 11	42	36	0.07	0.1
December 12	44	36	0.00	0.0
December 13	44	30	0.00	0.0
December 14	39	28	0.00	0.0
December 15	40	28	0.00	0.0
December 16	38	26	0.00	0.0
December 17	30	26	0.00	0.0
December 18	36	26	0.00	0.0
December 19	43	31	0.02	0.0
December 20	42	31	0.00	0.0
December 21	37	32	0.01	0.0
December 22	37	27	0.04	0.1
December 23	41	25	0.00	0.0
December 24	38	21	0.00	0.0
December 25	39	21	0.00	0.0
December 26	32	28	0.06	1.0
December 27	41	29	0.00	0.0
December 28	45	27	0.00	0.0
December 29	46	28	0.00	0.0
December 30	49	31	0.00	0.0
December 31	47	27	0.00	0.0

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Weather Station Details

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