| Augusta 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 | 27.6 | 30.9 | 40.2 | 52.1 | 64.9 | 73.8 | 79.0 | 77.1 | 68.7 | 57.5 | 44.6 | 31.8 | 54.0 |
| Daily Minimum | 10.4 | 12.4 | 23.5 | 34.4 | 44.7 | 54.0 | 60.1 | 58.4 | 49.7 | 39.8 | 30.5 | 16.3 | 36.2 |
| Monthly | 19.0 | 21.7 | 31.9 | 43.3 | 54.8 | 63.9 | 69.6 | 67.8 | 59.2 | 48.7 | 37.6 | 24.0 | 45.1 |
| Degree Day Normals | |||||||||||||
| Heating (base 65f) | 1426 | 1212 | 1026 | 651 | 319 | 77 | 15 | 36 | 190 | 505 | 822 | 1271 | 7550 |
| Cooling (base 65f) | 0 | 0 | 0 | 0 | 0 | 44 | 158 | 123 | 16 | 0 | 0 | 0 | 341 |
| Precipitation normals | |||||||||||||
| (water equivalent) | 2.93 | 2.83 | 3.22 | 3.72 | 3.82 | 3.31 | 3.22 | 3.31 | 3.12 | 3.87 | 4.54 | 3.78 | 41.67 |
| Snowfall | 19.3 | 19.5 | 14.0 | 4.4 | 0.4 | 0 | 0 | 0 | 0 | 0.9 | 4.5 | 16.5 | 79.5 |
Created 3/97 ES