| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 57°F | 41°F | 0.4" |
| February | 33°F | 60°F | 44°F | 0.7" |
| March | 42°F | 71°F | 54°F | 1.9" |
| April | 49°F | 79°F | 62°F | 2.9" |
| May | 59°F | 84°F | 70°F | 2.4" |
| June | 68°F | 94°F | 80°F | 3.1" |
| July | 70°F | 95°F | 82°F | 2.6" |
| August | 70°F | 94°F | 81°F | 3.8" |
| September | 61°F | 86°F | 72°F | 4.2" |
| October | 50°F | 77°F | 62°F | 2.9" |
| November | 40°F | 69°F | 53°F | 0.1" |
| December | 29°F | 55°F | 40°F | 1.2" |
| Index | Hollis | Oklahoma | National |
| Air quality index | 43 | 55 | 42 |
| Pollution index | 69,611 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 285 |
| Days with moderate air quality | 80 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.001% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Dodson, TX | 134 | 43 | 14.0% |
| Gould, OK | 112 | 43 | 14.0% |
| Hollis, OK | 1,666 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Shelby, MS | 1,666 | 43 | 14.0% |
| Beulaville, NC | 1,666 | 42 | 16.0% |
| Stedman, NC | 1,666 | 41 | 18.0% |
| Bedford, NY | 1,666 | 43 | 14.0% |
| Caddo Mills, TX | 1,666 | 51 | 2.0% |
| Hollis, OK | 1,666 | 43 | 14.0% |
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