| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 56°F | 42°F | 8.3" |
| February | 34°F | 60°F | 45°F | 7.1" |
| March | 43°F | 68°F | 55°F | 10.8" |
| April | 51°F | 78°F | 64°F | 6.1" |
| May | 58°F | 83°F | 70°F | 9.0" |
| June | 69°F | 91°F | 79°F | 7.6" |
| July | 70°F | 93°F | 81°F | 8.8" |
| August | 69°F | 93°F | 80°F | 7.7" |
| September | 62°F | 91°F | 75°F | 10.0" |
| October | 52°F | 80°F | 65°F | 11.1" |
| November | 39°F | 65°F | 51°F | 8.8" |
| December | 36°F | 58°F | 46°F | 9.9" |
| Index | Arkadelphia | Arkansas | National |
| Air quality index | 32 | 38 | 42 |
| Pollution index | 1,270,470 | 1,487,822 | 2,726,193 |
| Measurement | Total |
| Days measured | 355 |
| Days with good air quality | 347 |
| Days with moderate air quality | 8 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Donaldson, AR | 348 | 32 | 36.0% |
| Gurdon, AR | 2,099 | 32 | 36.0% |
| Friendship, AR | 230 | 32 | 36.0% |
| Gum Springs, AR | 111 | 32 | 36.0% |
| Caddo Valley, AR | 713 | 32 | 36.0% |
| Arkadelphia, AR | 10,670 | 32 | 36.0% |
| City | Population | Air Quality Index | National Avg. |
| Gulf Gate Estates, FL | 10,676 | 38 | 24.0% |
| Comstock Park, MI | 10,659 | 38 | 24.0% |
| Grey Highlands, ON | 10,659 | n/a | |
| Vidor, TX | 10,658 | 45 | 10.0% |
| New Port Richey East, FL | 10,651 | 43 | 14.0% |
| Arkadelphia, AR | 10,670 | 32 | 36.0% |
Here are the best places to live in Arkansas
Check out the 10 most dangerous cities in Arkansas
These are the largest cities in Arkansas
Most Dangerous Cities In The US