| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 4°F | 21°F | 12°F | 3.3" |
| February | 6°F | 25°F | 15°F | 0.8" |
| March | 24°F | 41°F | 31°F | 7.8" |
| April | 36°F | 57°F | 45°F | 4.5" |
| May | 46°F | 70°F | 57°F | 8.4" |
| June | 56°F | 77°F | 66°F | 7.9" |
| July | 61°F | 83°F | 72°F | 8.0" |
| August | 57°F | 79°F | 68°F | 10.9" |
| September | 48°F | 71°F | 59°F | 5.3" |
| October | 38°F | 57°F | 46°F | 8.4" |
| November | 25°F | 42°F | 33°F | 2.2" |
| December | 10°F | 26°F | 18°F | 2.4" |
| Index | Belgrade | Minnesota | National |
| Air quality index | 32 | 35 | 42 |
| Pollution index | 4,588,720 | 1,854,519 | 2,726,193 |
| Measurement | Total |
| Days measured | 344 |
| Days with good air quality | 313 |
| Days with moderate air quality | 31 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| New Munich, MN | 309 | 32 | 36.0% |
| Lake Henry, MN | 86 | 32 | 36.0% |
| Spicer, MN | 1,316 | 32 | 36.0% |
| Sunburg, MN | 66 | 32 | 36.0% |
| Paynesville, MN | 2,525 | 32 | 36.0% |
| Belgrade, MN | 1,027 | 32 | 36.0% |
| City | Population | Air Quality Index | National Avg. |
| Glidden, IA | 1,027 | 37 | 26.0% |
| Monroe City, IN | 1,027 | 36 | 28.0% |
| Barataria, LA | 1,027 | 45 | 10.0% |
| Walnut Grove, MS | 1,027 | 36 | 28.0% |
| Boulder, MT | 1,027 | 40 | 20.0% |
| Belgrade, MN | 1,027 | 32 | 36.0% |
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