| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 6°F | 24°F | 15°F | 1.9" |
| February | 3°F | 25°F | 14°F | 2.5" |
| March | 19°F | 41°F | 29°F | 1.9" |
| April | 31°F | 56°F | 43°F | 3.9" |
| May | 42°F | 67°F | 55°F | 4.9" |
| June | 54°F | 78°F | 66°F | 4.9" |
| July | 58°F | 81°F | 70°F | 8.9" |
| August | 56°F | 78°F | 67°F | 8.7" |
| September | 50°F | 73°F | 61°F | 5.1" |
| October | 36°F | 58°F | 47°F | 3.9" |
| November | 24°F | 43°F | 32°F | 3.8" |
| December | 12°F | 27°F | 20°F | 1.4" |
| Index | Staples | Minnesota | National |
| Air quality index | 29 | 35 | 42 |
| Pollution index | 1,102,500 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 359 |
| Days with good air quality | 328 |
| Days with moderate air quality | 29 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| Hewitt, MN | 237 | 29 | 42.0% |
| Motley, MN | 585 | 29 | 42.0% |
| Wadena, MN | 4,281 | 29 | 42.0% |
| Bertha, MN | 581 | 29 | 42.0% |
| Aldrich, MN | 45 | 29 | 42.0% |
| Staples, MN | 2,682 | 29 | 42.0% |
| City | Population | Air Quality Index | National Avg. |
| Okanogan, WA | 2,682 | 24 | 52.0% |
| Barnesville, MN | 2,681 | 33 | 34.0% |
| Ruidoso Downs, NM | 2,683 | 10 | 80.0% |
| Kamas, UT | 2,683 | 46 | 8.0% |
| Salina, UT | 2,683 | 46 | 8.0% |
| Staples, MN | 2,682 | 29 | 42.0% |
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