| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 34°F | 27°F | 3.5" |
| February | 19°F | 32°F | 26°F | 2.0" |
| March | 27°F | 45°F | 36°F | 2.7" |
| April | 37°F | 60°F | 48°F | 4.7" |
| May | 48°F | 71°F | 59°F | 3.1" |
| June | 60°F | 83°F | 72°F | 2.9" |
| July | 60°F | 83°F | 72°F | 3.5" |
| August | 61°F | 82°F | 72°F | 5.8" |
| September | 54°F | 79°F | 66°F | 3.3" |
| October | 47°F | 66°F | 56°F | 4.2" |
| November | 33°F | 49°F | 41°F | 4.2" |
| December | 24°F | 34°F | 29°F | 2.2" |
| Index | Holland | Michigan | National |
| Air quality index | 38 | 69 | 42 |
| Pollution index | 1,797,130 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 276 |
| Days with good air quality | 227 |
| Days with moderate air quality | 45 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Jenison, MI | 17,851 | 38 | 24.0% |
| Fennville, MI | 1,939 | 38 | 24.0% |
| Zeeland, MI | 5,540 | 38 | 24.0% |
| Saugatuck, MI | 899 | 38 | 24.0% |
| Beechwood, MI | 2,966 | 38 | 24.0% |
| Holland, MI | 33,329 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Hinesville, GA | 33,304 | 39 | 22.0% |
| Lexington, MA | 33,304 | 43 | 14.0% |
| Alabaster, AL | 33,373 | 53 | 6.0% |
| Cedar City, UT | 33,404 | 44 | 12.0% |
| Springville, UT | 33,251 | 46 | 8.0% |
| Holland, MI | 33,329 | 38 | 24.0% |
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