| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 1°F | 19°F | 9°F | 0.3" |
| February | 1°F | 22°F | 11°F | 1.2" |
| March | 18°F | 38°F | 27°F | 5.4" |
| April | 30°F | 52°F | 40°F | 3.6" |
| May | 42°F | 65°F | 53°F | 3.7" |
| June | 52°F | 74°F | 63°F | 9.0" |
| July | 57°F | 80°F | 68°F | 18.1" |
| August | 54°F | 77°F | 65°F | 1.7" |
| September | 47°F | 68°F | 57°F | 13.9" |
| October | 36°F | 53°F | 44°F | 4.1" |
| November | 22°F | 38°F | 29°F | 5.0" |
| December | 6°F | 21°F | 13°F | 2.4" |
| Index | Bagley | Minnesota | National |
| Air quality index | 33 | 35 | 42 |
| Pollution index | 1,861,440 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 327 |
| Days with moderate air quality | 34 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.003% |
| Lead | 0.070% |
| Mercury | 0.040% |
| City | Population | Air Quality Index | National Avg. |
| Lengby, MN | 52 | 33 | 34.0% |
| Clearbrook, MN | 636 | 33 | 34.0% |
| Rice Lake, MN | 4,136 | 33 | 34.0% |
| Shevlin, MN | 156 | 33 | 34.0% |
| Pine Bend, MN | 51 | 33 | 34.0% |
| Bagley, MN | 1,308 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Mogul, NV | 1,308 | 46 | 8.0% |
| Irwin, SC | 1,308 | 49 | 2.0% |
| Miltonvale Park, PE | 1,308 | n/a | |
| Saint-Mathieu-du-Parc, QC | 1,308 | n/a | |
| Sifton, MB | 1,308 | n/a | |
| Bagley, MN | 1,308 | 33 | 34.0% |
Here are the best places to live in Minnesota
Check out the 10 most dangerous cities in Minnesota
See the best places to live in Bagley
These are the largest cities in Minnesota