Portland Weather in 2020

Historical record of Portland, Maine weather for the year 2020 based on NOAA data.
Jump to Month:
Year:
2020 Portland Weather Extremes
Highest temperature 94 °F July 20
Lowest temperature -4 °F January 21
Highest daily low 78 °F July 27
Lowest daily high 19 °F January 18
Most daily precipitation 2.5 inches June 29
Most daily snow 17.6 inches December 17
Total annual precipitation 41.5 inches -
Total annual snow 53.3 inches -
Highest Temperatures in Portland in 2020
Rank Temperature Date
1 94 °F Jul 20
2 93 °F Aug 12
2 93 °F Jul 27
2 93 °F Jun 20
5 92 °F Jul 28
5 92 °F Jul 26
7 91 °F Aug 25
7 91 °F Aug 11
7 91 °F Aug 3
7 91 °F Jul 18
Lowest Temperatures in Portland in 2020
Rank Temperature Date
1 -4 °F January 21
2 -1 °F February 15
3 0 °F February 9
4 2 °F February 21
5 3 °F December 19
5 3 °F January 18
5 3 °F January 17
8 5 °F February 14
9 7 °F January 20
10 8 °F February 8
10 8 °F January 22
January 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 32 0.00 0.0
41 30 0.00 0.0
46 35 0.00 0.0
41 34 0.17 0.0
35 21 0.11 0.2
26 14 0.00 0.0
38 19 0.00 0.1
39 27 0.03 0.5
29 16 0.00 0.0
43 16 0.00 0.0
63 38 0.00 0.0
52 29 0.21 0.0
29 24 0.00 0.0
36 28 0.27 2.5
45 30 0.00 0.0
35 23 0.67 6.0
23 3 0.00 0.0
19 3 0.32 3.7
37 16 0.16 1.7
27 7 0.00 0.0
23 -4 0.00 0.0
35 8 0.00 0.0
41 15 0.00 0.0
40 22 0.00 0.0
44 36 1.37 0.0
47 35 0.22 0.0
47 33 0.00 0.0
41 31 0.00 0.0
37 19 0.00 0.0
35 15 0.00 0.0
43 17 0.00 0.0
February 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 31 0.00 0.0
40 28 0.00 0.0
47 22 0.00 0.0
40 26 0.00 0.0
39 27 0.00 0.0
31 24 0.63 5.1
34 24 0.39 0.2
27 8 0.00 0.0
28 0 0.01 0.0
40 27 0.23 0.4
38 25 0.01 0.0
41 32 0.01 0.0
38 31 0.24 1.2
32 5 0.00 0.0
26 -1 0.00 0.0
42 23 0.00 0.0
40 23 0.00 0.0
37 19 0.57 2.5
40 22 0.00 0.0
29 12 0.00 0.0
28 2 0.00 0.0
44 19 0.00 0.0
45 21 0.00 0.0
51 24 0.00 0.0
47 33 0.00 0.0
46 37 0.00 0.0
48 31 1.45 0.0
37 27 0.00 0.0
35 19 0.00 0.0
March 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
35 16 0.00 0.0
44 18 0.01 0.0
61 32 0.11 0.0
51 36 0.00 0.0
51 29 0.00 0.0
45 25 0.00 0.0
44 26 0.00 0.0
52 25 0.00 0.0
70 38 0.00 0.0
48 37 0.00 0.0
51 36 0.00 0.0
42 30 0.00 0.0
50 39 0.85 0.0
53 37 0.00 0.0
45 25 0.00 0.0
35 20 0.00 0.0
42 32 0.12 0.0
48 28 0.00 0.0
43 37 0.26 0.0
63 37 0.09 0.0
54 26 0.00 0.0
40 21 0.00 0.0
38 21 0.85 5.5
49 33 0.17 0.6
43 27 0.00 0.0
52 31 0.00 0.0
55 36 0.00 0.0
51 29 0.00 0.0
46 37 0.81 0.0
39 34 0.17 0.0
47 30 0.00 0.0
April 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
46 29 0.03 0.0
46 39 1.18 0.0
47 43 0.47 0.0
53 39 0.00 0.0
50 39 0.00 0.0
60 37 0.00 0.0
53 32 0.00 0.0
50 35 0.00 0.0
45 33 1.33 3.0
44 35 0.02 0.0
47 31 0.00 0.0
53 31 0.00 0.0
59 45 1.22 0.0
58 44 0.00 0.0
52 32 0.00 0.0
47 29 0.00 0.0
49 31 0.00 0.0
43 30 0.13 0.0
56 27 0.00 0.0
54 32 0.00 0.0
49 28 0.16 0.0
43 31 0.00 0.0
54 26 0.00 0.0
50 35 0.00 0.0
56 36 0.00 0.0
54 34 0.02 0.0
42 39 0.64 0.0
52 36 0.00 0.0
53 34 0.00 0.0
47 43 0.01 0.0
May 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
59 47 0.96 0.0
68 44 0.01 0.0
67 46 0.01 0.0
65 45 0.00 0.0
56 39 0.00 0.0
55 34 0.00 0.0
60 43 0.00 0.0
60 40 0.10 0.0
44 35 0.35 0.0
56 35 0.00 0.0
60 44 0.20 0.0
56 38 0.00 0.0
58 35 0.00 0.0
71 36 0.00 0.0
59 48 0.49 0.0
67 48 0.01 0.0
63 47 0.00 0.0
65 44 0.00 0.0
60 40 0.00 0.0
63 40 0.00 0.0
74 46 0.00 0.0
85 50 0.00 0.0
68 43 0.00 0.0
56 37 0.00 0.0
58 40 0.00 0.0
70 52 0.00 0.0
77 53 0.00 0.0
86 62 0.00 0.0
78 46 0.00 0.0
81 60 0.01 0.0
66 43 0.00 0.0
June 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
64 37 0.00 0.0
64 42 0.02 0.0
69 53 0.03 0.0
78 51 0.00 0.0
84 65 0.00 0.0
79 63 0.11 0.0
69 56 0.00 0.0
77 50 0.00 0.0
74 54 0.00 0.0
64 52 0.02 0.0
71 57 0.18 0.0
79 61 0.00 0.0
71 51 0.00 0.0
71 51 0.00 0.0
71 46 0.00 0.0
79 49 0.00 0.0
78 50 0.00 0.0
87 54 0.00 0.0
90 62 0.00 0.0
93 69 0.00 0.0
71 62 0.00 0.0
75 59 0.00 0.0
75 63 0.00 0.0
82 65 0.00 0.0
83 60 0.00 0.0
85 59 0.00 0.0
84 60 0.00 0.0
79 62 0.21 0.0
67 63 2.51 0.0
71 62 0.31 0.0
July 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
75 62 0.00 0.0
84 61 0.32 0.0
73 62 0.06 0.0
70 60 0.00 0.0
69 63 0.37 0.0
74 61 0.00 0.0
72 58 0.00 0.0
82 66 0.52 0.0
82 65 0.00 0.0
82 67 0.01 0.0
80 68 0.40 0.0
89 71 0.00 0.0
82 67 0.03 0.0
74 64 0.62 0.0
74 60 0.00 0.0
68 59 0.00 0.0
69 61 0.00 0.0
91 65 0.00 0.0
89 67 0.00 0.0
94 73 0.00 0.0
89 70 0.00 0.0
77 68 0.05 0.0
85 66 0.00 0.0
86 68 0.00 0.0
89 65 0.00 0.0
92 67 0.00 0.0
93 78 0.01 0.0
92 73 0.00 0.0
88 67 0.00 0.0
87 69 0.00 0.0
85 64 0.00 0.0
August 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 67 0.00 0.0
85 66 0.00 0.0
91 70 0.00 0.0
77 67 0.16 0.0
84 70 0.00 0.0
82 60 0.00 0.0
81 59 0.00 0.0
84 62 0.00 0.0
87 63 0.00 0.0
87 70 0.01 0.0
91 68 0.00 0.0
93 72 0.00 0.0
90 69 0.00 0.0
88 64 0.00 0.0
79 60 0.00 0.0
73 59 0.01 0.0
76 62 0.00 0.0
83 61 0.35 0.0
77 56 0.00 0.0
78 52 0.00 0.0
90 58 0.17 0.0
77 62 0.07 0.0
80 59 0.02 0.0
85 66 0.00 0.0
91 66 0.11 0.0
76 53 0.00 0.0
69 47 0.00 0.0
80 52 0.00 0.0
66 59 1.28 0.0
75 53 0.00 0.0
72 49 0.00 0.0
September 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
72 56 0.00 0.0
71 60 0.11 0.0
75 64 0.00 0.0
86 59 0.00 0.0
79 51 0.00 0.0
76 57 0.00 0.0
76 57 0.00 0.0
80 63 0.00 0.0
75 65 0.00 0.0
83 66 0.08 0.0
73 55 0.00 0.0
70 47 0.00 0.0
69 45 0.00 0.0
77 50 0.00 0.0
64 40 0.00 0.0
74 47 0.00 0.0
75 58 0.00 0.0
68 50 0.00 0.0
64 44 0.00 0.0
64 36 0.00 0.0
64 34 0.00 0.0
67 39 0.00 0.0
81 55 0.00 0.0
85 51 0.00 0.0
69 55 0.00 0.0
66 56 0.00 0.0
75 57 0.00 0.0
70 65 0.05 0.0
74 63 0.01 0.0
76 58 0.43 0.0
October 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
71 52 0.00 0.0
69 43 0.05 0.0
65 40 0.00 0.0
63 39 0.00 0.0
63 42 0.00 0.0
62 48 0.00 0.0
67 53 0.13 0.0
58 38 0.00 0.0
58 31 0.00 0.0
78 50 0.00 0.0
60 37 0.00 0.0
53 34 0.00 0.0
53 44 1.96 0.0
70 44 0.00 0.0
64 40 0.00 0.0
62 53 0.28 0.0
54 33 1.08 0.0
58 30 0.00 0.0
59 34 0.00 0.0
62 47 0.01 0.0
57 50 0.00 0.0
62 51 0.00 0.0
58 53 0.00 0.0
63 43 0.00 0.0
50 33 0.00 0.0
48 36 0.16 0.0
55 41 0.00 0.0
42 37 0.09 0.0
47 34 0.32 0.0
38 25 0.00 0.0
45 21 0.00 0.0
November 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
50 30 0.59 0.0
47 30 0.10 0.0
42 26 0.00 0.0
45 29 0.00 0.0
64 30 0.00 0.0
71 51 0.00 0.0
74 49 0.00 0.0
58 43 0.00 0.0
65 41 0.00 0.0
72 36 0.00 0.0
69 53 0.00 0.0
65 37 0.02 0.0
42 33 0.06 0.0
51 29 0.00 0.0
53 24 0.26 0.0
53 39 0.27 0.0
47 28 0.00 0.0
33 17 0.00 0.0
39 16 0.00 0.0
56 38 0.00 0.0
58 32 0.00 0.0
43 26 0.01 0.0
53 33 2.32 0.0
39 22 0.00 0.0
33 20 0.01 0.1
39 32 0.58 0.0
49 32 0.00 0.0
45 32 0.00 0.0
51 27 0.00 0.0
58 27 1.46 0.0
December 2020 Portland Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
59 44 0.24 0.0
44 32 0.00 0.0
45 30 0.00 0.0
52 34 0.00 0.0
41 33 1.99 1.4
34 28 0.03 0.2
35 23 0.00 0.0
31 26 0.00 0.0
31 19 0.00 0.1
43 24 0.00 0.0
44 26 0.00 0.0
41 27 0.37 0.0
43 30 0.01 0.0
35 27 0.00 0.0
32 14 0.00 0.0
22 10 0.00 0.0
21 12 1.40 17.6
28 15 0.00 0.0
28 3 0.00 0.0
32 15 0.08 0.7
31 20 0.00 0.0
43 27 0.00 0.0
35 19 0.00 0.0
50 21 0.03 0.0
55 47 1.05 0.0
47 28 0.00 0.0
38 22 0.00 0.0
45 21 0.01 0.0
41 17 0.00 0.0
37 16 0.00 0.0
43 21 0.01 0.0
Weather Station Details
Years Station Coordinates
1940–2024 Portland International JetPort location
1871–1940 Portland location