| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | -4°F | 16°F | 6°F | 11.4" |
| February | -4°F | 17°F | 6°F | 3.4" |
| March | 12°F | 31°F | 21°F | 2.2" |
| April | 27°F | 51°F | 38°F | 1.3" |
| May | 38°F | 65°F | 51°F | 2.8" |
| June | 50°F | 74°F | 61°F | 4.0" |
| July | 53°F | 78°F | 65°F | 2.5" |
| August | 51°F | 78°F | 63°F | 2.6" |
| September | 44°F | 71°F | 56°F | 3.1" |
| October | 31°F | 54°F | 41°F | 0.8" |
| November | 17°F | 36°F | 25°F | 1.2" |
| December | -1°F | 17°F | 8°F | 7.7" |
| Index | Munich | North Dakota | National |
| Air quality index | 33 | 35 | 42 |
| Pollution index | 240,103 | 1,038,665 | 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 | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Loma, ND | 14 | 33 | 34.0% |
| Alsen, ND | 21 | 33 | 34.0% |
| Hampden, ND | 21 | 33 | 34.0% |
| Calvin, ND | 11 | 36 | 28.0% |
| Egeland, ND | 34 | 36 | 28.0% |
| Munich, ND | 259 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Chelsea, IA | 259 | 39 | 22.0% |
| Bovill, ID | 259 | 10 | 80.0% |
| Owaneco, IL | 259 | 44 | 12.0% |
| Verona, IL | 259 | 0 | 100.0% |
| Prescott, MI | 259 | 26 | 48.0% |
| Munich, ND | 259 | 33 | 34.0% |
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