Portland Weather in 1975

Historical record of Portland, Maine weather for the year 1975 based on NOAA data.

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1975 Portland Weather Extremes
Highest temperature	103 °F	August 2
Lowest temperature	-20 °F	December 20
Highest daily low	73 °F	August 2
Lowest daily high	9 °F	December 24
Most daily precipitation	2.7 inches	December 26
Most daily snow	8.9 inches	December 18
Total annual precipitation	48.7 inches	-
Total annual snow	63.9 inches	-

What was the hottest temperature in Portland in 1975?

The highest temperature recorded in Portland, Maine in 1975 was 103 °F which happened on August 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Portland in 1975

Rank	Temperature	Date
1	103 °F	Aug 2
2	98 °F	Aug 1
3	95 °F	Jul 31
4	91 °F	Jun 24
5	90 °F	Jul 18
6	89 °F	Jun 23
7	88 °F	Jul 17
8	87 °F	Aug 10
8	87 °F	Jul 19
10	86 °F	Aug 14
10	86 °F	Jul 30
10	86 °F	Jul 20

What was the coldest temperature in Portland in 1975?

The lowest temperature recorded in Portland, Maine in 1975 was -20 °F which happened on Dec 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Portland in 1975

Rank	Temperature	Date
1	-20 °F	December 20
2	-13 °F	December 19
3	-11 °F	February 10
4	-8 °F	January 18
5	-7 °F	December 25
6	-5 °F	December 24
6	-5 °F	February 12
6	-5 °F	February 4
6	-5 °F	January 17
10	-4 °F	February 14

January 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	36	30	0.30	2.9
January 2	34	16	0.00	0.0
January 3	34	9	0.01	0.1
January 4	45	26	0.00	0.0
January 5	35	15	0.00	0.0
January 6	31	4	0.00	0.0
January 7	36	25	0.46	4.2
January 8	40	16	0.00	0.0
January 9	42	33	0.32	0.4
January 10	40	31	0.00	0.0
January 11	46	39	0.19	0.0
January 12	49	34	0.12	0.0
January 13	34	32	0.83	5.2
January 14	33	14	0.02	0.3
January 15	25	8	0.00	0.0
January 16	31	11	0.00	0.0
January 17	21	-5	0.00	0.0
January 18	43	-8	0.60	0.0
January 19	42	37	0.00	0.0
January 20	37	3	0.00	0.0
January 21	23	-3	0.00	0.0
January 22	41	10	0.00	0.0
January 23	21	2	0.00	0.0
January 24	42	17	0.00	0.0
January 25	42	33	0.98	0.0
January 26	47	26	0.06	0.0
January 27	33	20	0.00	0.0
January 28	40	20	0.00	0.0
January 29	39	22	0.51	2.3
January 30	39	9	0.00	0.0
January 31	25	5	0.00	0.0

February 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	28	5	0.00	0.0
February 2	28	0	0.00	0.0
February 3	28	3	0.00	0.0
February 4	22	-5	0.00	0.0
February 5	30	10	0.32	3.8
February 6	34	27	0.33	4.0
February 7	37	28	0.01	0.1
February 8	33	9	0.00	0.0
February 9	24	6	0.18	2.0
February 10	22	-11	0.00	0.0
February 11	25	6	0.02	0.7
February 12	22	-5	0.05	0.5
February 13	27	1	0.00	0.0
February 14	28	-4	0.00	0.0
February 15	36	-1	0.00	0.0
February 16	39	20	0.03	0.1
February 17	33	11	0.00	0.0
February 18	36	31	0.12	0.4
February 19	49	34	0.10	0.0
February 20	42	28	0.00	0.0
February 21	41	25	0.00	0.0
February 22	46	20	0.00	0.0
February 23	49	38	0.01	0.0
February 24	43	32	1.04	0.0
February 25	50	34	0.30	0.0
February 26	46	35	0.00	0.0
February 27	41	29	0.00	0.0
February 28	36	20	0.00	0.0

March 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	34	24	0.41	2.6
March 2	30	10	0.00	0.0
March 3	33	19	0.00	0.0
March 4	33	16	0.00	0.0
March 5	35	11	0.00	0.0
March 6	38	18	0.02	0.0
March 7	41	23	0.11	0.0
March 8	36	19	0.05	0.0
March 9	28	8	0.00	0.0
March 10	31	8	0.01	0.1
March 11	38	26	0.01	0.1
March 12	39	28	0.32	0.0
March 13	45	25	0.00	0.0
March 14	29	20	0.03	0.3
March 15	32	14	0.35	3.1
March 16	43	9	0.00	0.0
March 17	47	25	0.00	0.0
March 18	46	24	0.00	0.0
March 19	49	27	0.01	0.0
March 20	48	37	0.93	0.0
March 21	42	24	0.01	0.0
March 22	43	21	0.16	0.0
March 23	48	31	0.11	0.0
March 24	46	23	0.09	0.0
March 25	46	36	0.13	0.0
March 26	42	16	0.00	0.0
March 27	28	12	0.00	0.0
March 28	42	17	0.00	0.0
March 29	40	20	0.00	0.0
March 30	40	31	0.45	0.1
March 31	35	19	0.00	0.0

April 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	39	17	0.00	0.0
April 2	42	18	0.00	0.0
April 3	40	32	2.42	0.0
April 4	38	29	0.11	0.0
April 5	36	27	0.16	1.7
April 6	43	33	0.00	0.0
April 7	48	34	0.00	0.0
April 8	48	32	0.00	0.0
April 9	43	29	0.00	0.0
April 10	47	23	0.00	0.0
April 11	48	28	0.00	0.0
April 12	48	28	0.00	0.0
April 13	47	27	0.00	0.0
April 14	56	29	0.00	0.0
April 15	54	27	0.00	0.0
April 16	50	33	0.00	0.0
April 17	61	33	0.00	0.0
April 18	59	33	0.00	0.0
April 19	62	44	0.42	0.0
April 20	54	41	0.00	0.0
April 21	44	27	0.00	0.0
April 22	49	24	0.00	0.0
April 23	59	27	0.00	0.0
April 24	45	41	0.52	0.0
April 25	58	41	0.00	0.0
April 26	52	36	0.08	0.0
April 27	48	35	0.00	0.0
April 28	46	31	0.00	0.0
April 29	50	30	0.00	0.0
April 30	65	29	0.00	0.0

May 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	60	40	0.00
May 2	60	44	0.02
May 3	55	43	0.00
May 4	43	41	0.00
May 5	58	41	0.00
May 6	65	48	0.00
May 7	55	45	0.00
May 8	67	43	0.00
May 9	57	39	0.00
May 10	62	35	0.00
May 11	62	42	0.00
May 12	69	46	0.00
May 13	63	49	0.29
May 14	64	48	0.00
May 15	59	49	0.00
May 16	67	50	0.04
May 17	71	45	0.00
May 18	69	46	0.00
May 19	77	48	0.00
May 20	80	52	0.00
May 21	75	53	0.06
May 22	56	51	0.00
May 23	76	51	0.00
May 24	72	48	0.00
May 25	63	41	0.00
May 26	63	45	0.00
May 27	57	50	0.26
May 28	77	48	0.00
May 29	79	51	0.00
May 30	67	46	0.08
May 31	67	54	0.34

June 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	71	58	0.07
June 2	76	52	0.00
June 3	63	46	0.11
June 4	55	51	0.68
June 5	63	49	0.01
June 6	52	49	1.30
June 7	59	48	0.02
June 8	59	46	0.00
June 9	59	40	0.00
June 10	77	38	0.00
June 11	76	48	0.00
June 12	60	50	0.53
June 13	57	54	1.87
June 14	59	52	0.04
June 15	60	51	0.03
June 16	62	51	0.02
June 17	73	55	0.00
June 18	79	58	0.00
June 19	83	65	0.00
June 20	75	53	0.00
June 21	80	49	0.00
June 22	84	50	0.00
June 23	89	61	0.00
June 24	91	66	0.00
June 25	81	60	0.00
June 26	77	53	0.00
June 27	76	50	0.00
June 28	78	51	0.00
June 29	83	55	0.19
June 30	72	51	0.00

July 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	76	48	0.00
July 2	76	46	0.00
July 3	81	59	0.00
July 4	84	57	0.00
July 5	76	60	0.00
July 6	65	60	0.00
July 7	69	59	0.00
July 8	73	62	0.00
July 9	77	63	0.12
July 10	75	62	0.03
July 11	76	61	0.00
July 12	72	64	0.21
July 13	78	63	0.23
July 14	80	66	0.00
July 15	79	64	0.01
July 16	81	64	0.49
July 17	88	65	0.00
July 18	90	68	0.00
July 19	87	69	0.00
July 20	86	65	0.35
July 21	85	63	0.51
July 22	82	61	0.00
July 23	84	59	0.00
July 24	83	62	0.00
July 25	80	64	0.09
July 26	77	52	0.00
July 27	76	48	0.00
July 28	79	57	0.02
July 29	80	57	0.00
July 30	86	55	0.00
July 31	95	66	0.00

August 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	98	68	0.00
August 2	103	73	0.00
August 3	84	61	0.00
August 4	75	62	0.04
August 5	82	64	0.00
August 6	75	62	0.05
August 7	65	59	0.88
August 8	69	61	0.51
August 9	81	57	0.00
August 10	87	55	0.00
August 11	83	57	0.00
August 12	83	62	0.16
August 13	81	57	0.00
August 14	86	61	0.00
August 15	81	56	0.00
August 16	78	59	0.00
August 17	70	60	0.00
August 18	82	54	0.00
August 19	75	50	0.00
August 20	74	48	0.00
August 21	76	46	0.00
August 22	81	52	0.01
August 23	75	49	0.00
August 24	67	45	0.29
August 25	61	56	0.07
August 26	66	56	0.00
August 27	84	58	0.00
August 28	77	53	0.00
August 29	68	54	0.29
August 30	58	49	1.59
August 31	67	45	0.00

September 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	66	43	0.00
September 2	67	53	0.10
September 3	68	54	0.41
September 4	76	47	0.00
September 5	76	49	0.00
September 6	69	55	0.08
September 7	72	51	0.00
September 8	70	48	0.00
September 9	70	44	0.02
September 10	66	40	0.00
September 11	69	37	0.00
September 12	67	54	0.75
September 13	65	46	0.08
September 14	60	40	0.00
September 15	61	34	0.00
September 16	64	44	0.00
September 17	63	43	0.02
September 18	62	42	0.00
September 19	60	55	0.15
September 20	61	55	0.15
September 21	77	56	0.21
September 22	71	49	0.00
September 23	63	55	0.33
September 24	57	54	0.35
September 25	57	51	0.04
September 26	61	51	0.44
September 27	69	57	1.21
September 28	72	46	0.00
September 29	74	41	0.00
September 30	65	41	0.00

October 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	71	49	0.00
October 2	59	42	0.03
October 3	58	31	0.00
October 4	65	35	0.00
October 5	58	30	0.00
October 6	69	50	0.00
October 7	59	36	0.00
October 8	67	29	0.00
October 9	55	32	0.00
October 10	56	32	0.00
October 11	60	46	0.24
October 12	53	48	0.77
October 13	65	50	0.10
October 14	69	44	0.00
October 15	62	40	0.00
October 16	67	45	0.05
October 17	55	35	0.03
October 18	50	44	1.43
October 19	50	44	0.00
October 20	49	44	0.73
October 21	64	42	0.00
October 22	70	43	0.00
October 23	59	38	0.00
October 24	63	39	0.00
October 25	61	40	0.74
October 26	59	40	0.00
October 27	55	30	0.00
October 28	59	30	0.00
October 29	68	35	0.04
October 30	50	34	0.34
October 31	46	25	0.00

November 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	56	26	0.00	0.0
November 2	65	40	0.00	0.0
November 3	70	42	0.01	0.0
November 4	68	50	0.16	0.0
November 5	59	38	0.00	0.0
November 6	51	29	0.00	0.0
November 7	64	33	0.00	0.0
November 8	67	54	0.49	0.0
November 9	66	40	0.00	0.0
November 10	55	40	0.93	0.0
November 11	60	34	0.00	0.0
November 12	54	30	0.39	0.0
November 13	51	45	1.08	0.0
November 14	56	32	0.11	0.0
November 15	44	28	0.00	0.0
November 16	46	28	0.00	0.0
November 17	49	27	0.00	0.0
November 18	60	35	0.00	0.0
November 19	55	30	0.00	0.0
November 20	50	35	0.00	0.0
November 21	56	40	0.93	0.0
November 22	52	26	0.00	0.0
November 23	45	23	0.00	0.0
November 24	34	27	0.31	3.6
November 25	34	29	0.00	0.0
November 26	37	26	0.00	0.0
November 27	46	29	1.58	0.0
November 28	45	28	0.00	0.0
November 29	39	24	0.00	0.0
November 30	51	26	0.02	0.0

December 1975 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	57	27	0.05	0.0
December 2	37	22	0.00	0.0
December 3	37	26	0.00	0.0
December 4	30	12	0.00	0.0
December 5	35	11	0.00	0.0
December 6	50	30	0.05	0.0
December 7	36	18	0.00	0.0
December 8	27	11	0.00	0.0
December 9	42	23	0.35	0.0
December 10	45	35	2.39	0.0
December 11	45	25	0.00	0.0
December 12	34	21	0.00	0.0
December 13	32	21	0.02	0.1
December 14	39	24	0.29	0.9
December 15	53	34	0.00	0.0
December 16	45	15	0.00	0.0
December 17	29	11	0.01	0.1
December 18	32	8	0.63	8.9
December 19	14	-13	0.00	0.0
December 20	12	-20	0.11	1.6
December 21	19	5	0.37	5.5
December 22	31	19	0.74	2.5
December 23	26	4	0.00	0.0
December 24	9	-5	0.00	0.0
December 25	14	-7	0.06	1.0
December 26	49	9	2.74	3.2
December 27	39	25	0.00	0.0
December 28	30	16	0.00	0.0
December 29	27	5	0.00	0.0
December 30	38	7	0.30	1.5
December 31	42	30	0.03	0.0

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Weather Station Details

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