| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 37°F | 25°F | 0.2" |
| February | 16°F | 38°F | 26°F | 0.3" |
| March | 28°F | 53°F | 38°F | 0.7" |
| April | 37°F | 62°F | 48°F | 2.4" |
| May | 47°F | 72°F | 59°F | 3.5" |
| June | 58°F | 83°F | 70°F | 3.9" |
| July | 65°F | 92°F | 77°F | 1.9" |
| August | 62°F | 88°F | 74°F | 3.4" |
| September | 53°F | 80°F | 65°F | 1.8" |
| October | 41°F | 65°F | 51°F | 1.8" |
| November | 28°F | 52°F | 39°F | 0.3" |
| December | 16°F | 36°F | 25°F | 0.3" |
| Index | Wood | South Dakota | National |
| Air quality index | 44 | 36 | 42 |
| Pollution index | 161,337 | 345,623 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 274 |
| Days with moderate air quality | 87 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mission, SD | 1,408 | 44 | 12.0% |
| Okreek, SD | 221 | 44 | 12.0% |
| White Horse, SD | 211 | 44 | 12.0% |
| Antelope, SD | 780 | 44 | 12.0% |
| White River, SD | 653 | 44 | 12.0% |
| Wood, SD | 55 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Dayton, AL | 55 | 36 | 28.0% |
| Minturn, AR | 55 | 45 | 10.0% |
| Hayesville, IA | 55 | 35 | 30.0% |
| Nodaway, IA | 55 | 40 | 20.0% |
| Thornburg, IA | 55 | 35 | 30.0% |
| Wood, SD | 55 | 44 | 12.0% |
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