| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 25°F | 41°F | 32°F | 6.0" |
| February | 21°F | 38°F | 29°F | 3.7" |
| March | 29°F | 50°F | 39°F | 7.0" |
| April | 40°F | 63°F | 51°F | 9.9" |
| May | 48°F | 74°F | 61°F | 3.6" |
| June | 61°F | 83°F | 72°F | 6.9" |
| July | 65°F | 85°F | 74°F | 12.6" |
| August | 65°F | 86°F | 75°F | 5.8" |
| September | 58°F | 82°F | 69°F | 1.1" |
| October | 50°F | 69°F | 58°F | 13.4" |
| November | 35°F | 55°F | 45°F | 4.9" |
| December | 26°F | 40°F | 33°F | 6.6" |
| Index | Milford | New Jersey | National |
| Air quality index | 42 | 45 | 42 |
| Pollution index | 3,167,110 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 275 |
| Days with moderate air quality | 86 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.030% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Hutchinson, NJ | 122 | 34 | 32.0% |
| Martins Creek, PA | 457 | 34 | 32.0% |
| Annandale, NJ | 1,794 | 34 | 32.0% |
| High Bridge, NJ | 3,460 | 34 | 32.0% |
| Califon, NJ | 1,184 | 34 | 32.0% |
| Milford, NJ | 1,285 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Hudson Lake, IN | 1,285 | 42 | 16.0% |
| Hoxie, KS | 1,285 | 19 | 62.0% |
| Vienna Bend, LA | 1,285 | 30 | 40.0% |
| Oran, MO | 1,285 | 44 | 12.0% |
| Cambridge, NE | 1,285 | 19 | 62.0% |
| Milford, NJ | 1,285 | 42 | 16.0% |
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