Maine Weather Records
Weather data and records for the U.S. state of Maine based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
Maine Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
| Month |
High (°F°C) |
Low (°F°C) |
| January |
24.7-4.1 |
5.7-14.6 |
| February |
27.9-2.3 |
7.1-13.8 |
| March |
37.02.8 |
16.8-8.4 |
| April |
49.79.8 |
29.0-1.7 |
| May |
63.217.4 |
39.84.4 |
| June |
72.122.3 |
49.59.7 |
| July |
77.225.1 |
55.513.0 |
| August |
76.024.4 |
53.812.1 |
| September |
68.020.0 |
45.87.7 |
| October |
54.612.6 |
36.02.2 |
| November |
41.95.5 |
26.3-3.2 |
| December |
30.7-0.7 |
14.5-9.7 |
| Entire Year |
52.011.1 |
31.8-0.1 |
Maine Cities
Yearly weather averages for various places in Maine, from 1991–2020.
| Average (°F°C) |
Record (°F°C) |
Yearly (inchescm) |
| Augusta |
55.112.8 |
37.33.0 |
100.037.8 |
-23.1-30.6 |
41.8106.2 |
n/a |
| Bangor |
55.312.9 |
34.71.5 |
104.040.0 |
-32.1-35.6 |
41.6105.8 |
73.8187.4 |
| Belfast |
55.212.9 |
35.01.7 |
98.136.7 |
-27.9-33.3 |
48.1122.1 |
62.8159.5 |
| Caribou |
50.010.0 |
30.9-0.6 |
96.135.6 |
-41.1-40.6 |
40.7103.4 |
119.7304.0 |
| Farmington |
54.112.3 |
31.90.0 |
104.040.0 |
-38.9-39.4 |
49.4125.6 |
90.6230.2 |
| Fort Kent |
49.39.6 |
27.4-2.5 |
98.136.7 |
-42.0-41.1 |
41.3104.9 |
94.5240.0 |
| Gardiner |
55.913.3 |
35.21.8 |
102.939.4 |
-41.1-40.6 |
47.5120.8 |
68.5174.0 |
| Houlton |
51.711.0 |
29.9-1.2 |
102.038.9 |
-43.1-41.7 |
39.299.5 |
n/a |
| Jackman |
50.410.2 |
28.6-1.9 |
97.036.1 |
-44.0-42.2 |
41.6105.7 |
105.3267.4 |
| Madison |
53.912.2 |
33.00.6 |
102.038.9 |
-40.0-40.0 |
41.5105.5 |
71.3181.1 |
| Millinocket |
53.211.8 |
33.81.0 |
100.938.3 |
-41.1-40.6 |
42.0106.7 |
n/a |
| Portland |
56.213.4 |
37.93.3 |
102.939.4 |
-38.9-39.4 |
48.1122.2 |
69.4176.2 |
| Rockport |
54.412.5 |
37.12.8 |
96.135.6 |
-25.1-31.7 |
55.5141.0 |
66.1168.0 |
| Sanford |
58.414.6 |
36.62.6 |
100.938.3 |
-27.9-33.3 |
50.0127.1 |
43.3109.9 |
| Waterville |
55.813.2 |
34.71.5 |
100.938.3 |
-38.9-39.4 |
42.3107.5 |
65.3165.9 |