| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | -4°F | 19°F | 7°F | 1.5" |
| February | -3°F | 23°F | 9°F | 0.9" |
| March | 12°F | 38°F | 25°F | 1.6" |
| April | 26°F | 53°F | 40°F | 1.7" |
| May | 38°F | 66°F | 52°F | 3.4" |
| June | 47°F | 75°F | 61°F | 4.3" |
| July | 51°F | 80°F | 66°F | 4.1" |
| August | 49°F | 78°F | 64°F | 2.8" |
| September | 42°F | 70°F | 56°F | 2.9" |
| October | 32°F | 55°F | 43°F | 2.3" |
| November | 19°F | 39°F | 28°F | 1.9" |
| December | 2°F | 22°F | 12°F | 1.2" |
| Index | Orr | Minnesota | National |
| Air quality index | 35 | 35 | 42 |
| Pollution index | 1,096,210 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 326 |
| Days with moderate air quality | 38 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.030% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Cook, MN | 489 | 35 | 30.0% |
| Nett Lake, MN | 249 | 35 | 30.0% |
| Orr, MN | 227 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Morgan Heights, CO | 227 | 45 | 10.0% |
| Mallard, IA | 227 | 15 | 70.0% |
| Rockport, KY | 227 | 43 | 14.0% |
| Calvin, LA | 227 | 30 | 40.0% |
| Carney, MI | 227 | 36 | 28.0% |
| Orr, MN | 227 | 35 | 30.0% |
Here are the best places to live in Minnesota
See the best places to live in Orr
Check out the 10 most dangerous cities in Minnesota
These are the 10 cheapest cities in Minnesota