| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 6°F | 25°F | 15°F | 6.8" |
| February | 10°F | 31°F | 20°F | 2.6" |
| March | 22°F | 45°F | 33°F | 1.9" |
| April | 34°F | 59°F | 46°F | 2.3" |
| May | 45°F | 70°F | 57°F | 4.2" |
| June | 56°F | 80°F | 68°F | 5.5" |
| July | 60°F | 84°F | 72°F | 3.6" |
| August | 57°F | 81°F | 69°F | 3.9" |
| September | 49°F | 75°F | 61°F | 2.2" |
| October | 36°F | 61°F | 48°F | 2.5" |
| November | 24°F | 46°F | 34°F | 1.2" |
| December | 10°F | 28°F | 19°F | 3.4" |
| Index | Luverne | Minnesota | National |
| Air quality index | 36 | 35 | 42 |
| Pollution index | 627,200 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 321 |
| Days with moderate air quality | 43 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Larchwood, IA | 1,000 | 36 | 28.0% |
| Ellsworth, MN | 532 | 36 | 28.0% |
| Leota, MN | 159 | 36 | 28.0% |
| Jasper, MN | 685 | 36 | 28.0% |
| Lester, IA | 287 | 36 | 28.0% |
| Luverne, MN | 4,651 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Bremen, IN | 4,650 | 42 | 16.0% |
| Littlestown, PA | 4,650 | 42 | 16.0% |
| South Bound Brook, NJ | 4,649 | 41 | 18.0% |
| Holtville, AL | 4,653 | 52 | 4.0% |
| Gibraltar, MI | 4,653 | 1 | 98.0% |
| Luverne, MN | 4,651 | 36 | 28.0% |