| Bangor ME Airport Normals based on FAA Observations 1961-1990 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Temperature Normals | |||||||||||||
| Daily Maximum | 26.7 | 29.4 | 38.7 | 50.9 | 63.6 | 73.0 | 78.1 | 76.4 | 68.0 | 56.9 | 44.0 | 31.3 | 53.1 |
| Daily Minimum | 8.2 | 10.1 | 21.7 | 32.8 | 42.9 | 52.5 | 58.3 | 56.8 | 48.4 | 38.7 | 29.4 | 14.8 | 34.6 |
| Monthly | 17.5 | 19.8 | 30.2 | 41.9 | 53.3 | 62.8 | 68.2 | 66.6 | 58.2 | 47.8 | 36.7 | 23.0 | 43.8 |
| Degree Day Normals | |||||||||||||
| Heating (base 65f) | 1473 | 1266 | 1079 | 693 | 363 | 90 | 21 | 42 | 219 | 533 | 849 | 1302 | 7930 |
| Cooling (base 65f) | 0 | 0 | 0 | 0 | 0 | 24 | 120 | 92 | 15 | 0 | 0 | 0 | 251 |
| Precipitation normals (water equivalent) | 2.99 | 2.89 | 3.13 | 3.32 | 3.56 | 3.34 | 3.32 | 3.35 | 3.42 | 3.41 | 4.55 | 3.95 | 41.23 |
Created 3/97 ES