| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 41°F | 35°F | 2.2" |
| February | 28°F | 45°F | 37°F | 1.4" |
| March | 36°F | 54°F | 45°F | 4.8" |
| April | 46°F | 65°F | 56°F | 1.6" |
| May | 55°F | 73°F | 65°F | 8.1" |
| June | 64°F | 82°F | 75°F | 3.0" |
| July | 70°F | 87°F | 80°F | 0.5" |
| August | 67°F | 84°F | 76°F | 1.1" |
| September | 61°F | 78°F | 70°F | 1.7" |
| October | 50°F | 68°F | 59°F | 7.1" |
| November | 39°F | 57°F | 48°F | 2.9" |
| December | 33°F | 47°F | 40°F | 4.4" |
| Index | Kingstown | Maryland | National |
| Air quality index | 42 | 43 | 42 |
| Pollution index | 3,193,180 | 5,342,367 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 293 |
| Days with moderate air quality | 72 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.020% |
| City | Population | Air Quality Index | National Avg. |
| Barclay, MD | 239 | 42 | 16.0% |
| Henderson, MD | 157 | 42 | 16.0% |
| Sudlersville, MD | 423 | 42 | 16.0% |
| Cecilton, MD | 901 | 42 | 16.0% |
| Millington, MD | 610 | 42 | 16.0% |
| Kingstown, MD | 1,853 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Hanley Hills, MO | 1,853 | 54 | 8.0% |
| Hemby Bridge, NC | 1,853 | 49 | 2.0% |
| Smoke Rise, AL | 1,852 | 53 | 6.0% |
| Westover, AL | 1,854 | 53 | 6.0% |
| Killian, LA | 1,852 | 30 | 40.0% |
| Kingstown, MD | 1,853 | 42 | 16.0% |
Here are the best places to live in Maryland
Check out the 10 safest cities in Maryland
Top 10 cities in Maryland with the best education system
10 Best cities in Maryland for employment