Portland Weather in 1940

Historical record of Portland, Maine weather for the year 1940 based on NOAA data.

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1940 Portland Weather Extremes
Highest temperature	95 °F	July 26
Lowest temperature	-16 °F	December 4
Highest daily low	68 °F	July 29
Lowest daily high	11 °F	January 17
Most daily precipitation	3.0 inches	January 15
Most daily snow	7.2 inches	February 20
Total annual precipitation	43.3 inches	-
Total annual snow	62.4 inches	-

What was the hottest temperature in Portland in 1940?

The highest temperature recorded in Portland, Maine in 1940 was 95 °F which happened on July 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Portland in 1940

Rank	Temperature	Date
1	95 °F	Jul 26
2	89 °F	Jun 13
3	88 °F	Jul 31
4	87 °F	Jul 9
5	85 °F	Jul 8
6	84 °F	Jul 27
6	84 °F	Jul 19
8	83 °F	Aug 9
8	83 °F	Jul 30
10	82 °F	Aug 13
10	82 °F	Jul 10
10	82 °F	Jul 7

What was the coldest temperature in Portland in 1940?

The lowest temperature recorded in Portland, Maine in 1940 was -16 °F which happened on Dec 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Portland in 1940

Rank	Temperature	Date
1	-16 °F	December 4
2	-4 °F	December 3
3	-1 °F	January 17
4	2 °F	December 15
4	2 °F	January 18
6	3 °F	December 14
6	3 °F	December 2
8	4 °F	December 6
9	5 °F	December 7
9	5 °F	November 29
9	5 °F	January 27
9	5 °F	January 23
9	5 °F	January 16
9	5 °F	January 2

January 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	22	10	0.00	0.0
January 2	22	5	0.00	0.0
January 3	26	14	0.00	0.0
January 4	25	15	0.00	0.0
January 5	30	10	0.00	0.0
January 6	23	13	0.08	0.8
January 7	26	9	0.00	0.0
January 8	19	12	0.00	0.0
January 9	27	12	0.00	0.0
January 10	26	9	0.00	0.0
January 11	27	15	0.00	0.0
January 12	34	21	0.46	3.2
January 13	32	26	0.03	0.4
January 14	35	27	0.01	0.0
January 15	44	34	2.98	0.0
January 16	34	5	0.01	0.1
January 17	11	-1	0.00	0.0
January 18	20	2	0.00	0.0
January 19	20	10	0.00	0.0
January 20	21	6	0.00	0.0
January 21	26	12	0.01	0.1
January 22	32	8	0.00	0.0
January 23	28	5	0.00	0.0
January 24	22	12	0.00	0.0
January 25	21	16	0.11	1.1
January 26	25	9	0.00	0.0
January 27	25	5	0.00	0.0
January 28	23	10	0.00	0.0
January 29	30	7	0.00	0.0
January 30	30	8	0.00	0.0
January 31	34	14	0.00	0.0

February 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	36	17	0.00	0.0
February 2	30	19	0.00	0.0
February 3	24	12	0.00	0.0
February 4	31	11	0.00	0.0
February 5	32	17	0.00	0.0
February 6	35	22	0.25	0.1
February 7	41	33	0.11	0.6
February 8	40	29	0.00	0.0
February 9	33	19	0.00	0.0
February 10	31	19	0.53	1.5
February 11	40	31	0.84	0.5
February 12	38	30	0.00	0.0
February 13	35	20	0.00	0.0
February 14	28	20	0.06	0.0
February 15	38	22	1.15	5.5
February 16	33	20	0.01	0.1
February 17	41	19	0.00	0.0
February 18	43	24	0.00	0.0
February 19	39	32	0.22	0.0
February 20	32	30	0.90	7.2
February 21	36	20	0.10	2.0
February 22	31	17	0.00	0.0
February 23	37	16	0.00	0.0
February 24	29	17	0.07	0.2
February 25	36	16	0.02	0.5
February 26	26	10	0.00	0.0
February 27	28	8	0.00	0.0
February 28	24	19	0.23	1.2
February 29	32	22	0.08	1.5

March 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	30	19	0.00	0.0
March 2	24	10	0.00	0.0
March 3	39	12	0.00	0.0
March 4	36	26	0.07	0.0
March 5	38	31	1.53	0.1
March 6	38	33	0.18	0.3
March 7	42	34	0.00	0.0
March 8	38	32	0.00	0.0
March 9	45	31	0.00	0.0
March 10	36	21	0.00	0.0
March 11	29	16	0.00	0.0
March 12	25	14	0.00	0.0
March 13	42	15	0.00	0.0
March 14	40	29	0.00	0.0
March 15	39	31	1.03	1.6
March 16	35	27	0.03	0.3
March 17	38	26	0.00	0.0
March 18	37	23	0.00	0.0
March 19	35	32	0.69	2.3
March 20	41	29	0.00	0.0
March 21	39	27	0.08	0.0
March 22	33	23	0.75	6.5
March 23	23	13	0.00	0.0
March 24	27	7	0.00	0.0
March 25	29	14	0.00	0.0
March 26	41	18	0.00	0.0
March 27	38	26	0.00	0.0
March 28	44	24	0.00	0.0
March 29	45	24	0.00	0.0
March 30	46	35	0.76	0.0
March 31	57	40	0.22	0.0

April 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	48	36	0.00	0.0
April 2	49	34	0.00	0.0
April 3	46	32	0.00	0.0
April 4	37	34	0.34	0.0
April 5	48	33	0.09	0.6
April 6	48	32	0.00	0.0
April 7	48	30	0.00	0.0
April 8	42	35	0.36	0.1
April 9	49	37	0.83	0.0
April 10	53	35	0.00	0.0
April 11	43	29	0.00	0.0
April 12	46	39	1.10	0.0
April 13	45	25	0.83	0.2
April 14	39	22	0.00	0.0
April 15	43	26	0.00	0.0
April 16	39	36	0.12	0.0
April 17	49	34	0.00	0.0
April 18	38	34	0.50	0.0
April 19	58	35	0.01	0.0
April 20	47	35	0.55	0.1
April 21	36	31	1.02	1.5
April 22	37	31	1.32	7.0
April 23	45	37	0.01	0.0
April 24	49	38	0.00	0.0
April 25	51	39	0.04	0.0
April 26	44	33	0.00	0.0
April 27	55	33	0.00	0.0
April 28	56	40	0.00	0.0
April 29	59	39	0.00	0.0
April 30	64	40	0.00	0.0

May 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	69	48	0.00
May 2	53	48	0.22
May 3	51	44	0.31
May 4	50	43	0.70
May 5	55	40	0.01
May 6	68	45	0.02
May 7	71	49	0.00
May 8	64	45	0.00
May 9	55	41	0.00
May 10	64	41	0.00
May 11	58	38	0.00
May 12	53	41	0.00
May 13	65	40	0.00
May 14	68	44	0.00
May 15	62	47	0.00
May 16	55	47	0.00
May 17	58	51	0.53
May 18	64	52	0.01
May 19	66	50	0.00
May 20	53	44	0.09
May 21	53	43	0.07
May 22	50	46	0.01
May 23	50	43	0.04
May 24	54	47	0.54
May 25	51	47	0.22
May 26	62	50	0.21
May 27	76	54	0.00
May 28	68	48	0.14
May 29	58	49	0.05
May 30	66	45	0.00
May 31	54	47	2.34

June 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	70	53	0.13
June 2	75	53	0.00
June 3	78	56	0.00
June 4	71	54	0.00
June 5	70	53	0.00
June 6	77	60	0.00
June 7	71	56	0.00
June 8	57	51	0.00
June 9	61	51	0.06
June 10	54	48	0.06
June 11	63	49	0.03
June 12	62	52	0.44
June 13	89	52	0.33
June 14	68	53	0.00
June 15	80	54	0.23
June 16	75	55	0.00
June 17	70	52	0.00
June 18	66	54	0.00
June 19	72	57	0.22
June 20	67	47	0.12
June 21	63	45	0.00
June 22	65	46	0.00
June 23	64	47	0.01
June 24	61	51	0.00
June 25	51	49	0.19
June 26	65	50	0.37
June 27	73	53	0.30
June 28	76	53	0.16
June 29	74	53	0.44
June 30	71	56	0.04

July 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	68	56	0.03
July 2	72	54	0.00
July 3	71	56	0.02
July 4	64	55	1.14
July 5	70	54	0.07
July 6	77	57	0.00
July 7	82	59	0.00
July 8	85	66	0.00
July 9	87	66	0.01
July 10	82	67	0.00
July 11	72	58	0.22
July 12	65	55	0.30
July 13	71	59	0.00
July 14	70	56	0.00
July 15	75	57	0.00
July 16	74	60	0.45
July 17	74	56	0.00
July 18	77	56	0.00
July 19	84	61	0.00
July 20	74	63	0.06
July 21	66	58	0.00
July 22	75	59	0.01
July 23	70	61	0.01
July 24	74	64	0.00
July 25	78	64	0.00
July 26	95	66	0.10
July 27	84	68	0.00
July 28	79	66	0.00
July 29	79	68	0.38
July 30	83	67	0.38
July 31	88	64	0.00

August 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	72	62	0.00
August 2	69	57	0.00
August 3	80	55	0.00
August 4	80	61	0.00
August 5	n/a	66	0.00
August 6	80	66	0.01
August 7	78	65	0.00
August 8	77	62	0.00
August 9	83	61	0.00
August 10	75	66	0.00
August 11	68	62	0.00
August 12	78	62	0.00
August 13	82	66	0.00
August 14	79	63	0.00
August 15	72	58	0.00
August 16	78	57	0.00
August 17	81	57	0.00
August 18	79	66	0.00
August 19	68	64	0.20
August 20	72	58	0.67
August 21	71	54	0.00
August 22	67	53	0.00
August 23	67	54	0.03
August 24	63	49	0.00
August 25	68	44	0.00
August 26	67	49	0.00
August 27	68	49	0.00
August 28	66	48	0.00
August 29	59	50	0.01
August 30	66	55	0.21
August 31	78	63	0.02

September 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	63	0.00
September 2	74	63	0.20
September 3	80	61	0.00
September 4	76	59	0.00
September 5	73	56	0.00
September 6	65	51	0.01
September 7	57	48	0.07
September 8	72	51	0.00
September 9	66	51	0.71
September 10	61	54	1.06
September 11	62	51	0.00
September 12	65	52	0.00
September 13	67	52	0.00
September 14	68	50	0.00
September 15	69	50	0.01
September 16	58	52	0.48
September 17	72	54	0.13
September 18	79	57	0.00
September 19	73	60	0.00
September 20	74	56	0.00
September 21	67	58	0.09
September 22	73	59	0.04
September 23	72	51	0.00
September 24	69	56	0.00
September 25	64	40	1.12
September 26	53	39	0.00
September 27	62	39	0.00
September 28	66	44	0.00
September 29	65	42	0.00
September 30	57	44	0.00

October 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	58	40	0.00
October 2	68	50	0.00
October 3	64	48	0.00
October 4	56	43	0.00
October 5	60	37	0.00
October 6	62	47	0.00
October 7	67	55	0.00
October 8	63	55	0.18
October 9	62	48	0.00
October 10	60	42	0.00
October 11	58	41	0.00
October 12	70	48	0.00
October 13	70	52	0.00
October 14	64	49	0.00
October 15	62	43	0.14
October 16	48	36	0.00
October 17	48	36	0.00
October 18	53	35	0.00
October 19	41	32	0.00
October 20	45	32	0.00
October 21	40	32	0.00
October 22	43	29	0.00
October 23	59	32	0.00
October 24	62	46	0.00
October 25	53	43	0.00
October 26	49	38	0.00
October 27	41	34	0.00
October 28	43	30	0.00
October 29	53	31	0.00
October 30	45	33	0.00
October 31	54	38	0.00

November 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	50	32	0.00	0.0
November 2	49	39	1.69	0.0
November 3	55	43	0.03	0.0
November 4	61	43	0.00	0.0
November 5	51	43	0.00	0.0
November 6	57	33	0.12	0.0
November 7	46	30	n/a	n/a
November 8	50	31	n/a	n/a
November 9	49	27	n/a	n/a
November 10	45	22	n/a	n/a
November 11	51	36	n/a	n/a
November 12	55	46	n/a	n/a
November 13	47	40	n/a	n/a
November 14	41	37	n/a	n/a
November 15	44	38	n/a	n/a
November 16	45	30	n/a	n/a
November 17	40	27	n/a	n/a
November 18	44	25	n/a	n/a
November 19	42	20	n/a	n/a
November 20	55	33	n/a	n/a
November 21	50	26	n/a	n/a
November 22	62	40	n/a	n/a
November 23	49	31	n/a	n/a
November 24	37	29	n/a	n/a
November 25	34	19	n/a	n/a
November 26	33	14	n/a	n/a
November 27	23	16	0.19	1.5
November 28	32	6	0.04	0.7
November 29	35	5	0.16	2.0
November 30	37	11	0.05	0.2

December 1940 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	37	10	0.58	2.4
December 2	27	3	0.00	0.0
December 3	20	-4	0.00	0.0
December 4	15	-16	0.07	0.0
December 5	20	10	0.23	6.0
December 6	27	4	0.00	0.0
December 7	44	5	0.00	0.0
December 8	45	31	0.00	0.0
December 9	36	13	0.00	0.0
December 10	39	6	0.00	0.0
December 11	38	19	0.00	0.0
December 12	34	19	0.29	1.6
December 13	39	11	0.11	0.0
December 14	30	3	0.00	0.0
December 15	34	2	0.00	0.0
December 16	32	14	0.69	0.0
December 17	36	14	0.05	0.2
December 18	34	7	0.00	0.0
December 19	34	9	0.00	0.0
December 20	40	25	0.00	0.0
December 21	39	30	0.00	0.0
December 22	39	24	0.03	0.6
December 23	30	10	0.00	0.0
December 24	32	9	0.00	0.0
December 25	39	10	0.00	0.0
December 26	34	23	0.00	0.0
December 27	40	32	0.16	0.0
December 28	37	33	0.42	0.0
December 29	39	34	0.19	0.0
December 30	38	35	0.29	0.0
December 31	43	26	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1940–2024	Portland International JetPort	location
1871–1940	Portland	location