| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 47°F | 37°F | 2.7" |
| February | 29°F | 50°F | 38°F | 2.3" |
| March | 37°F | 60°F | 47°F | 3.2" |
| April | 47°F | 71°F | 58°F | 3.4" |
| May | 56°F | 78°F | 67°F | 4.6" |
| June | 67°F | 87°F | 77°F | 5.3" |
| July | 72°F | 91°F | 81°F | 4.2" |
| August | 70°F | 90°F | 79°F | 3.2" |
| September | 63°F | 83°F | 72°F | 3.5" |
| October | 52°F | 72°F | 61°F | 5.0" |
| November | 40°F | 61°F | 50°F | 2.5" |
| December | 33°F | 52°F | 42°F | 3.8" |
| Index | Chevy Chase Section Three | Maryland | National |
| Air quality index | 47 | 43 | 42 |
| Pollution index | 14,693,900 | 5,342,367 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 209 |
| Days with moderate air quality | 145 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.190% |
| Benzene | 0.210% |
| Carbon Tetrachloride | 0.060% |
| Lead | 0.060% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Savage, MD | 6,849 | 46 | 8.0% |
| Maryland City, MD | 17,681 | 46 | 8.0% |
| North Laurel, MD | 24,856 | 46 | 8.0% |
| Lake Barcroft, VA | 10,604 | 47 | 6.0% |
| Ravensworth, VA | 2,841 | 47 | 6.0% |
| Chevy Chase Section Three, MD | 900 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Winslow, IN | 900 | 6 | 88.0% |
| Logan, KS | 900 | 19 | 62.0% |
| Westbrook, MN | 900 | 32 | 36.0% |
| Rushville, NE | 900 | 19 | 62.0% |
| Lakeville, NY | 900 | 37 | 26.0% |
| Chevy Chase Section Three, MD | 900 | 47 | 6.0% |
Here are the best places to live in Maryland
Most Dangerous States In The US
See the best places to live in Chevy Chase Section Three
Safest States In The US