Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 31°F | 21°F | 4.0" |
February | 14°F | 32°F | 22°F | 3.8" |
March | 22°F | 41°F | 31°F | 5.3" |
April | 35°F | 55°F | 44°F | 6.6" |
May | 45°F | 67°F | 55°F | 4.4" |
June | 54°F | 73°F | 62°F | 6.1" |
July | 60°F | 79°F | 69°F | 5.8" |
August | 57°F | 78°F | 67°F | 6.7" |
September | 51°F | 71°F | 60°F | 6.9" |
October | 41°F | 59°F | 50°F | 7.4" |
November | 30°F | 47°F | 38°F | 6.8" |
December | 19°F | 35°F | 26°F | 4.1" |
Index | Waterville | Maine | National |
Air quality index | 28 | 33 | 42 |
Pollution index | 3,644,290 | 3,417,521 | 2,726,193 |
Measurement | Total |
Days measured | 361 |
Days with good air quality | 356 |
Days with moderate air quality | 5 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.030% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Clinton, ME | 1,227 | 28 | 44.0% |
Fairfield, ME | 2,298 | 28 | 44.0% |
Oakland, ME | 2,324 | 28 | 44.0% |
Norridgewock, ME | 1,272 | 28 | 44.0% |
Winslow, ME | 4,908 | 28 | 44.0% |
Waterville, ME | 16,623 | 28 | 44.0% |
City | Population | Air Quality Index | National Avg. |
Camp Pendleton South, CA | 16,618 | 64 | 28.0% |
Ham Lake, MN | 16,630 | 46 | 8.0% |
Dallas, OR | 16,612 | 32 | 36.0% |
McKinleyville, CA | 16,645 | 27 | 46.0% |
Madison, NJ | 16,647 | 51 | 2.0% |
Waterville, ME | 16,623 | 28 | 44.0% |