Lewiston Weather in 1940

Historical record of Lewiston, Idaho weather for the year 1940 based on NOAA data.

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1940 Lewiston Weather Extremes
Highest temperature	111 °F	August 19
Lowest temperature	10 °F	December 17
Highest daily low	72 °F	July 24
Lowest daily high	20 °F	December 16
Most daily precipitation	0.9 inches	October 3
Most daily snow	2.0 inches	January 25
Total annual precipitation	21.4 inches	-
Total annual snow	3.6 inches	-

What was the hottest temperature in Lewiston in 1940?

The highest temperature recorded in Lewiston, Idaho in 1940 was 111 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Lewiston in 1940

Rank	Temperature	Date
1	111 °F	Aug 19
1	111 °F	Jul 12
3	108 °F	Aug 20
4	107 °F	Jun 20
4	107 °F	Jun 19
4	107 °F	Jun 13
7	106 °F	Jun 25
8	105 °F	Aug 9
8	105 °F	Jul 23
10	104 °F	Aug 12

What was the coldest temperature in Lewiston in 1940?

The lowest temperature recorded in Lewiston, Idaho in 1940 was 10 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Lewiston in 1940

Rank	Temperature	Date
1	10 °F	December 17
1	10 °F	December 16
3	12 °F	December 15
4	13 °F	December 14
5	14 °F	December 13
6	18 °F	November 13
6	18 °F	November 12
6	18 °F	January 26
9	19 °F	December 11
9	19 °F	November 14

January 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	41	37	0.34	0.0
January 2	51	36	0.25	0.0
January 3	54	35	0.16	0.0
January 4	52	38	0.10	0.0
January 5	47	38	0.09	0.0
January 6	44	36	0.16	0.0
January 7	41	30	0.00	0.0
January 8	42	29	0.13	0.5
January 9	38	32	0.04	0.0
January 10	35	32	0.27	0.0
January 11	44	22	0.00	0.0
January 12	37	22	0.07	0.0
January 13	37	26	0.00	0.0
January 14	37	28	0.00	0.0
January 15	46	30	0.00	0.0
January 16	49	35	0.00	0.0
January 17	47	30	0.00	0.0
January 18	44	25	0.00	0.0
January 19	35	25	0.00	0.0
January 20	34	24	0.00	0.0
January 21	35	20	0.00	0.0
January 22	30	23	0.00	0.0
January 23	36	25	0.00	0.0
January 24	38	22	0.08	0.6
January 25	29	23	0.14	2.0
January 26	33	18	0.00	0.0
January 27	40	27	0.19	0.0
January 28	45	33	0.02	0.0
January 29	54	31	0.00	0.0
January 30	49	29	0.00	0.0
January 31	47	29	0.00	0.0

February 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	38	32	0.00
February 2	42	28	0.00
February 3	38	30	0.00
February 4	47	31	0.16
February 5	49	38	0.02
February 6	51	40	0.65
February 7	59	42	0.00
February 8	53	32	0.00
February 9	50	32	0.00
February 10	54	41	0.06
February 11	52	42	0.00
February 12	51	34	0.00
February 13	51	34	0.00
February 14	47	38	0.07
February 15	50	33	0.00
February 16	48	29	0.00
February 17	49	29	0.04
February 18	48	38	0.63
February 19	51	34	0.05
February 20	53	28	0.01
February 21	53	26	0.00
February 22	50	26	0.01
February 23	44	33	0.09
February 24	49	33	0.00
February 25	55	37	0.02
February 26	54	38	0.13
February 27	50	39	0.22
February 28	60	40	0.22
February 29	58	42	0.09

March 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	62	36	0.06
March 2	56	37	0.51
March 3	59	33	0.00
March 4	59	33	0.00
March 5	55	38	0.01
March 6	56	33	0.00
March 7	55	35	0.03
March 8	53	37	0.04
March 9	54	32	0.00
March 10	53	30	0.00
March 11	51	29	0.00
March 12	48	30	0.00
March 13	58	30	0.00
March 14	59	32	0.00
March 15	66	38	0.00
March 16	68	45	0.04
March 17	60	36	0.02
March 18	61	33	0.00
March 19	61	33	0.00
March 20	66	34	0.00
March 21	69	34	0.00
March 22	71	35	0.00
March 23	69	37	0.00
March 24	73	44	0.00
March 25	64	49	0.22
March 26	64	47	0.27
March 27	60	43	0.25
March 28	63	45	0.08
March 29	60	46	0.08
March 30	63	45	0.00
March 31	61	45	0.17

April 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	58	46	0.33
April 2	60	39	0.05
April 3	60	34	0.00
April 4	64	36	0.00
April 5	64	44	0.28
April 6	64	39	0.00
April 7	64	42	0.00
April 8	56	49	0.01
April 9	70	49	0.21
April 10	62	39	0.02
April 11	69	44	0.00
April 12	69	43	0.00
April 13	80	47	0.00
April 14	80	52	0.00
April 15	66	49	0.00
April 16	68	39	0.08
April 17	69	43	0.00
April 18	76	49	0.04
April 19	78	41	0.00
April 20	68	46	0.01
April 21	68	39	0.00
April 22	69	42	0.00
April 23	77	39	0.00
April 24	58	47	0.41
April 25	65	42	0.00
April 26	65	46	0.29
April 27	67	45	0.00
April 28	67	48	0.07
April 29	65	45	0.02
April 30	62	37	0.02

May 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	60	41	0.18
May 2	79	48	0.00
May 3	79	45	0.13
May 4	70	47	0.00
May 5	61	42	0.22
May 6	66	45	0.00
May 7	70	41	0.00
May 8	78	47	0.00
May 9	84	49	0.00
May 10	92	57	0.00
May 11	90	60	0.00
May 12	80	50	0.00
May 13	74	42	0.00
May 14	77	51	0.00
May 15	69	44	0.01
May 16	74	45	0.00
May 17	77	47	0.00
May 18	78	44	0.00
May 19	86	42	0.00
May 20	82	50	0.00
May 21	85	50	0.00
May 22	89	50	0.00
May 23	97	54	0.00
May 24	98	58	0.00
May 25	90	60	0.09
May 26	74	45	0.07
May 27	72	41	0.00
May 28	79	46	0.00
May 29	90	53	0.00
May 30	93	56	0.00
May 31	85	59	0.68

June 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	83	58	0.00
June 2	71	54	0.15
June 3	75	49	0.00
June 4	84	54	0.00
June 5	78	50	0.00
June 6	80	50	0.00
June 7	81	54	0.04
June 8	70	53	0.06
June 9	80	50	0.00
June 10	88	53	0.00
June 11	99	60	0.00
June 12	100	60	0.00
June 13	107	72	0.00
June 14	89	53	0.00
June 15	93	54	0.00
June 16	97	58	0.00
June 17	88	56	0.00
June 18	96	57	0.00
June 19	107	67	0.00
June 20	107	69	0.00
June 21	85	52	0.00
June 22	88	55	0.00
June 23	88	52	0.00
June 24	95	57	0.00
June 25	106	66	0.00
June 26	99	68	0.00
June 27	87	59	0.00
June 28	88	53	0.00
June 29	97	59	0.00
June 30	102	67	0.00

July 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	86	61	0.00
July 2	100	65	0.00
July 3	98	64	0.00
July 4	101	69	0.00
July 5	98	63	0.00
July 6	91	56	0.00
July 7	94	56	0.00
July 8	99	58	0.00
July 9	96	62	0.00
July 10	98	62	0.00
July 11	102	64	0.00
July 12	111	65	0.00
July 13	101	69	0.00
July 14	94	61	0.00
July 15	102	67	0.00
July 16	91	64	0.00
July 17	96	61	0.15
July 18	95	59	0.12
July 19	97	62	0.00
July 20	98	68	0.00
July 21	91	63	0.00
July 22	93	61	0.00
July 23	105	68	0.00
July 24	100	72	0.00
July 25	93	61	0.00
July 26	88	63	0.00
July 27	72	59	0.55
July 28	73	56	0.14
July 29	86	60	0.00
July 30	91	62	0.00
July 31	85	58	0.00

August 1940 Lewiston Weather

Day	High (°F)	Low (°F)
August 1	89	61
August 2	84	55
August 3	93	56
August 4	92	56
August 5	90	55
August 6	99	58
August 7	103	61
August 8	102	56
August 9	105	61
August 10	96	61
August 11	96	56
August 12	104	64
August 13	99	60
August 14	87	52
August 15	89	55
August 16	91	54
August 17	96	56
August 18	102	58
August 19	111	58
August 20	108	62
August 21	101	65
August 22	89	57
August 23	93	57
August 24	91	58
August 25	95	59
August 26	92	57
August 27	97	60
August 28	80	55
August 29	85	53
August 30	97	56
August 31	102	60

September 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	89	58	0.00
September 2	94	56	0.00
September 3	91	58	0.00
September 4	86	63	0.00
September 5	71	53	0.81
September 6	74	50	0.00
September 7	80	50	0.00
September 8	92	57	0.00
September 9	98	61	n/a
September 10	100	65	0.00
September 11	96	64	0.00
September 12	96	63	0.00
September 13	85	60	0.00
September 14	68	57	0.32
September 15	78	56	0.06
September 16	83	57	0.09
September 17	76	57	0.28
September 18	79	57	0.78
September 19	65	57	0.55
September 20	73	54	0.00
September 21	69	54	0.21
September 22	67	56	0.10
September 23	80	53	0.00
September 24	82	53	0.00
September 25	85	54	0.00
September 26	85	54	0.00
September 27	90	55	0.09
September 28	64	53	0.48
September 29	61	52	0.04
September 30	65	53	0.61

October 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	63	55	0.42
October 2	66	50	0.00
October 3	64	49	0.88
October 4	52	49	0.67
October 5	68	46	0.00
October 6	70	43	0.00
October 7	76	44	0.00
October 8	72	45	0.00
October 9	71	44	0.00
October 10	70	45	0.00
October 11	70	53	0.00
October 12	64	49	0.00
October 13	69	49	0.00
October 14	71	45	0.00
October 15	69	46	0.00
October 16	69	46	0.00
October 17	69	40	0.00
October 18	72	48	0.00
October 19	76	47	0.00
October 20	73	48	0.00
October 21	74	54	0.13
October 22	70	41	0.00
October 23	63	41	0.00
October 24	65	50	0.14
October 25	64	47	0.23
October 26	62	44	0.05
October 27	52	46	0.53
October 28	52	38	0.04
October 29	56	40	0.05
October 30	62	41	0.08
October 31	65	40	0.02

November 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	59	40	0.15	0.0
November 2	55	41	0.10	0.0
November 3	55	36	0.00	0.0
November 4	53	31	0.00	0.0
November 5	52	33	0.00	0.0
November 6	45	37	0.01	0.0
November 7	55	37	0.02	0.0
November 8	57	40	0.03	0.0
November 9	50	37	0.14	0.0
November 10	43	30	0.04	0.0
November 11	37	24	0.00	0.0
November 12	36	18	0.01	0.5
November 13	34	18	0.00	0.0
November 14	37	19	0.00	0.0
November 15	39	20	0.00	0.0
November 16	43	22	0.00	0.0
November 17	43	23	0.00	0.0
November 18	45	31	0.00	0.0
November 19	45	23	0.00	0.0
November 20	44	24	0.00	0.0
November 21	39	29	0.19	0.0
November 22	38	33	0.00	0.0
November 23	42	27	0.00	0.0
November 24	41	31	0.00	0.0
November 25	42	34	0.12	0.0
November 26	48	32	0.00	0.0
November 27	45	34	0.00	0.0
November 28	48	37	0.12	0.0
November 29	53	38	0.54	0.0
November 30	57	32	0.00	0.0

December 1940 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	49	25	0.00
December 2	42	32	0.03
December 3	55	33	0.00
December 4	45	38	0.02
December 5	49	36	0.00
December 6	56	34	0.01
December 7	50	31	0.00
December 8	50	35	0.00
December 9	48	34	0.00
December 10	39	27	0.00
December 11	32	19	0.00
December 12	31	24	0.00
December 13	24	14	0.00
December 14	28	13	0.00
December 15	22	12	0.00
December 16	20	10	0.00
December 17	33	10	0.00
December 18	33	23	0.00
December 19	43	33	0.07
December 20	45	33	0.23
December 21	49	39	0.31
December 22	52	40	0.00
December 23	47	32	0.20
December 24	41	32	0.13
December 25	42	36	0.29
December 26	49	29	0.02
December 27	40	33	0.13
December 28	52	31	0.00
December 29	48	32	0.00
December 30	49	30	0.00
December 31	39	30	0.09

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Weather Station Details

Years	Station	Coordinates
1948–2024	Lewiston Nez Perce County Airport	location
1894–1947	Lewiston WTP	location