Boise Weather in 2020

Historical record of Boise, Idaho weather for the year 2020 based on NOAA data.

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2020 Boise Weather Extremes
Highest temperature	105 °F	July 30
Lowest temperature	16 °F	January 15
Highest daily low	73 °F	August 18
Lowest daily high	28 °F	December 29
Most daily precipitation	1.2 inches	June 13
Most daily snow	2.7 inches	November 8
Total annual precipitation	14.5 inches	-
Total annual snow	17.5 inches	-

What was the hottest temperature in Boise in 2020?

The highest temperature recorded in Boise, Idaho in 2020 was 105 °F which happened on July 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Boise in 2020

Rank	Temperature	Date
1	105 °F	Jul 30
2	104 °F	Jul 31
3	103 °F	Aug 16
4	102 °F	Sep 4
4	102 °F	Aug 17
6	101 °F	Aug 18
6	101 °F	Jul 11
8	100 °F	Sep 5
8	100 °F	Aug 2
8	100 °F	Aug 1

What was the coldest temperature in Boise in 2020?

The lowest temperature recorded in Boise, Idaho in 2020 was 16 °F which happened on Jan 15.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Boise in 2020

Rank	Temperature	Date
1	16 °F	January 15
2	17 °F	October 26
2	17 °F	February 4
4	18 °F	December 12
5	19 °F	December 1
6	20 °F	December 28
6	20 °F	December 23
6	20 °F	December 10
6	20 °F	December 9
6	20 °F	December 6
6	20 °F	February 25
6	20 °F	February 20
6	20 °F	January 14

January 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	47	37	0.20	0.0
January 2	44	32	0.00	0.0
January 3	50	33	0.00	0.0
January 4	47	30	0.00	0.0
January 5	39	29	0.04	0.7
January 6	40	28	0.02	0.0
January 7	53	34	0.00	0.0
January 8	47	32	0.06	0.1
January 9	38	29	0.13	1.0
January 10	38	23	0.00	0.0
January 11	39	32	0.15	0.7
January 12	39	31	0.19	2.5
January 13	36	30	0.10	1.8
January 14	39	20	0.06	2.1
January 15	37	16	0.00	0.0
January 16	48	31	0.00	0.0
January 17	40	31	0.00	0.0
January 18	42	30	0.00	0.0
January 19	41	25	0.00	0.0
January 20	40	28	0.00	0.0
January 21	48	33	0.02	0.0
January 22	47	28	0.00	0.0
January 23	53	38	0.00	0.0
January 24	49	38	0.17	0.0
January 25	44	33	0.02	0.0
January 26	46	38	0.74	0.0
January 27	49	33	0.00	0.0
January 28	47	35	0.19	0.0
January 29	46	31	0.07	0.0
January 30	44	33	0.13	0.0
January 31	50	36	0.00	0.0

February 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	52	34	0.00	0.0
February 2	39	27	0.02	0.0
February 3	38	25	0.00	0.0
February 4	36	17	0.00	0.0
February 5	35	28	0.37	2.6
February 6	46	32	0.22	0.0
February 7	56	42	0.00	0.0
February 8	47	32	0.01	0.0
February 9	46	26	0.00	0.0
February 10	47	25	0.00	0.0
February 11	49	26	0.00	0.0
February 12	49	28	0.00	0.0
February 13	53	28	0.00	0.0
February 14	48	29	0.00	0.0
February 15	45	30	0.00	0.0
February 16	45	30	0.53	0.0
February 17	41	25	0.00	0.0
February 18	41	23	0.00	0.0
February 19	40	21	0.00	0.0
February 20	45	20	0.00	0.0
February 21	45	23	0.00	0.0
February 22	50	25	0.00	0.0
February 23	58	29	0.00	0.0
February 24	44	27	0.00	0.0
February 25	45	20	0.00	0.0
February 26	52	31	0.00	0.0
February 27	56	27	0.00	0.0
February 28	63	30	0.00	0.0
February 29	49	36	0.00	0.0

March 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	51	27	0.00
March 2	49	24	0.00
March 3	58	40	0.00
March 4	60	34	0.00
March 5	71	38	0.00
March 6	66	42	0.00
March 7	60	39	0.14
March 8	51	33	0.00
March 9	52	37	0.02
March 10	57	32	0.00
March 11	63	36	0.00
March 12	53	32	0.00
March 13	57	28	0.00
March 14	53	38	0.10
March 15	56	34	0.58
March 16	59	35	0.00
March 17	60	41	0.28
March 18	49	36	0.00
March 19	57	30	0.00
March 20	59	40	0.00
March 21	59	36	0.00
March 22	60	33	0.00
March 23	57	43	0.05
March 24	49	36	0.07
March 25	49	32	0.01
March 26	49	25	0.00
March 27	50	26	0.00
March 28	57	35	0.00
March 29	55	42	0.10
March 30	54	43	0.03
March 31	53	37	0.44

April 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	46	31	0.00
April 2	47	25	0.00
April 3	52	29	0.00
April 4	60	29	0.05
April 5	61	42	0.16
April 6	62	40	0.00
April 7	66	39	0.00
April 8	71	40	0.00
April 9	71	39	0.00
April 10	71	46	0.00
April 11	65	42	0.00
April 12	54	33	0.00
April 13	52	28	0.00
April 14	61	30	0.00
April 15	62	43	0.02
April 16	55	37	0.00
April 17	62	36	0.00
April 18	69	35	0.00
April 19	69	40	0.00
April 20	71	42	0.00
April 21	73	42	0.00
April 22	69	41	0.08
April 23	62	47	0.37
April 24	65	40	0.00
April 25	73	45	0.00
April 26	72	49	0.00
April 27	69	51	0.02
April 28	74	45	0.00
April 29	88	53	0.00
April 30	73	50	0.42

May 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	70	43	0.00
May 2	78	50	0.00
May 3	63	44	0.01
May 4	68	36	0.00
May 5	82	48	0.00
May 6	73	46	0.01
May 7	66	34	0.00
May 8	75	43	0.00
May 9	81	48	0.00
May 10	85	48	0.00
May 11	82	56	0.00
May 12	67	51	0.00
May 13	62	44	0.03
May 14	60	47	0.36
May 15	65	45	0.01
May 16	73	45	0.00
May 17	79	55	0.02
May 18	60	51	0.15
May 19	56	45	0.35
May 20	51	45	0.80
May 21	60	46	0.11
May 22	57	42	0.01
May 23	66	39	0.00
May 24	71	42	0.00
May 25	79	49	0.01
May 26	76	58	0.02
May 27	83	53	0.00
May 28	91	55	0.00
May 29	95	65	0.00
May 30	98	69	0.00
May 31	78	58	0.09

June 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	76	58	0.00
June 2	84	54	0.00
June 3	85	60	0.00
June 4	81	56	0.00
June 5	95	58	0.00
June 6	68	49	0.14
June 7	54	41	0.85
June 8	65	45	0.12
June 9	74	50	0.00
June 10	83	51	0.00
June 11	90	57	0.00
June 12	89	60	0.00
June 13	69	50	1.21
June 14	67	46	0.06
June 15	62	51	0.12
June 16	61	50	0.26
June 17	67	47	0.16
June 18	75	48	0.00
June 19	81	52	0.00
June 20	86	60	0.00
June 21	82	60	0.00
June 22	86	55	0.00
June 23	93	57	0.00
June 24	96	63	0.00
June 25	88	64	0.00
June 26	93	63	0.00
June 27	85	63	0.00
June 28	69	52	0.00
June 29	60	49	0.24
June 30	74	51	0.11

July 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	76	52	0.00
July 2	81	49	0.00
July 3	91	57	0.00
July 4	88	58	0.00
July 5	88	56	0.00
July 6	93	58	0.00
July 7	82	62	0.00
July 8	80	53	0.00
July 9	91	55	0.00
July 10	88	62	0.00
July 11	101	64	0.00
July 12	90	62	0.00
July 13	83	59	0.00
July 14	85	53	0.00
July 15	89	54	0.00
July 16	94	60	0.00
July 17	97	63	0.00
July 18	90	59	0.00
July 19	92	59	0.00
July 20	95	61	0.00
July 21	99	63	0.00
July 22	94	69	0.00
July 23	91	67	0.02
July 24	91	60	0.00
July 25	90	59	0.00
July 26	94	56	0.00
July 27	97	64	0.00
July 28	96	66	0.06
July 29	99	63	0.00
July 30	105	68	0.00
July 31	104	71	0.00

August 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	100	67	0.00
August 2	100	64	0.00
August 3	93	68	0.00
August 4	93	60	0.00
August 5	98	62	0.00
August 6	92	69	0.00
August 7	81	56	0.00
August 8	90	54	0.00
August 9	88	58	0.00
August 10	89	59	0.00
August 11	97	62	0.00
August 12	86	63	0.00
August 13	90	56	0.00
August 14	89	54	0.00
August 15	98	58	0.00
August 16	103	69	0.00
August 17	102	73	0.00
August 18	101	73	0.00
August 19	95	72	0.00
August 20	91	67	0.00
August 21	92	66	0.00
August 22	90	60	0.00
August 23	93	62	0.00
August 24	90	65	0.01
August 25	94	65	0.06
August 26	91	63	0.00
August 27	88	65	0.00
August 28	90	59	0.00
August 29	93	60	0.00
August 30	79	57	0.00
August 31	76	54	0.00

September 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	84	49	0.00
September 2	95	60	0.00
September 3	95	59	0.00
September 4	102	63	0.00
September 5	100	64	0.00
September 6	92	62	0.00
September 7	88	55	0.00
September 8	70	47	0.00
September 9	78	47	0.00
September 10	84	50	0.00
September 11	87	54	0.00
September 12	84	57	0.00
September 13	89	54	0.00
September 14	87	55	0.00
September 15	85	56	0.00
September 16	84	56	0.00
September 17	87	55	0.00
September 18	77	61	0.01
September 19	74	54	0.00
September 20	80	50	0.00
September 21	89	56	0.00
September 22	81	56	0.00
September 23	85	60	0.00
September 24	74	55	0.00
September 25	75	51	0.02
September 26	68	52	0.01
September 27	69	41	0.00
September 28	74	45	0.00
September 29	81	48	0.00
September 30	81	51	0.00

October 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	82	53	0.00
October 2	84	51	0.00
October 3	83	53	0.00
October 4	81	47	0.00
October 5	81	49	0.00
October 6	82	52	0.00
October 7	82	50	0.00
October 8	80	51	0.00
October 9	78	49	0.00
October 10	64	48	0.42
October 11	60	41	0.00
October 12	70	51	0.00
October 13	67	49	0.01
October 14	59	42	0.00
October 15	59	36	0.00
October 16	70	39	0.00
October 17	69	44	0.00
October 18	71	44	0.00
October 19	68	45	0.00
October 20	62	45	0.00
October 21	63	40	0.00
October 22	53	29	0.00
October 23	55	31	0.00
October 24	54	30	0.02
October 25	45	24	0.00
October 26	45	17	0.00
October 27	58	25	0.00
October 28	63	33	0.00
October 29	69	40	0.00
October 30	75	37	0.00
October 31	58	31	0.00

November 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	63	35	0.00	0.0
November 2	66	37	0.00	0.0
November 3	68	37	0.00	0.0
November 4	72	37	0.00	0.0
November 5	76	44	0.00	0.0
November 6	68	45	0.00	0.0
November 7	48	32	0.08	0.2
November 8	33	30	0.16	2.7
November 9	36	26	0.00	0.0
November 10	42	30	0.03	0.0
November 11	41	27	0.01	0.0
November 12	43	26	0.00	0.0
November 13	43	33	0.45	0.4
November 14	45	32	0.02	0.0
November 15	45	37	0.46	0.0
November 16	56	42	0.03	0.0
November 17	61	37	0.00	0.0
November 18	55	41	0.33	0.0
November 19	50	33	0.08	0.0
November 20	46	29	0.00	0.0
November 21	42	24	0.00	0.0
November 22	40	24	0.00	0.0
November 23	40	25	0.00	0.0
November 24	45	25	0.00	0.0
November 25	41	32	0.06	1.0
November 26	43	27	0.00	0.0
November 27	43	26	0.00	0.0
November 28	37	22	0.00	0.0
November 29	40	22	0.00	0.0
November 30	35	21	0.00	0.0

December 2020 Boise Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	40	19	0.00	0.0
December 2	47	25	0.00	0.0
December 3	41	23	0.00	0.0
December 4	40	21	0.00	0.0
December 5	42	21	0.00	0.0
December 6	40	20	0.00	0.0
December 7	46	23	0.00	0.0
December 8	43	21	0.00	0.0
December 9	39	20	0.00	0.0
December 10	42	20	0.00	0.0
December 11	41	22	0.00	0.0
December 12	38	18	0.00	0.0
December 13	37	25	0.04	0.5
December 14	35	21	0.01	0.1
December 15	37	24	0.02	0.2
December 16	44	31	0.00	0.0
December 17	44	35	0.08	0.0
December 18	43	32	0.00	0.0
December 19	49	33	0.00	0.0
December 20	46	39	0.03	0.0
December 21	58	43	0.00	0.0
December 22	49	27	0.02	0.0
December 23	37	20	0.00	0.0
December 24	43	24	0.00	0.0
December 25	43	21	0.00	0.0
December 26	42	28	0.34	0.5
December 27	32	22	0.00	0.0
December 28	31	20	0.00	0.0
December 29	28	21	0.00	0.0
December 30	35	23	0.00	0.2
December 31	38	29	0.01	0.2

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Weather Station Details

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