| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 63°F | 51°F | 3.1" |
| February | 45°F | 66°F | 54°F | 3.1" |
| March | 52°F | 74°F | 62°F | 4.8" |
| April | 59°F | 80°F | 68°F | 3.3" |
| May | 67°F | 87°F | 76°F | 3.4" |
| June | 74°F | 94°F | 83°F | 3.8" |
| July | 75°F | 95°F | 84°F | 3.0" |
| August | 76°F | 96°F | 84°F | 3.5" |
| September | 70°F | 91°F | 79°F | 4.1" |
| October | 60°F | 82°F | 70°F | 6.7" |
| November | 52°F | 74°F | 61°F | 2.7" |
| December | 43°F | 64°F | 52°F | 3.2" |
| Index | Bryan | Texas | National |
| Air quality index | 38 | 52 | 42 |
| Pollution index | 402,930 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 329 |
| Days with moderate air quality | 36 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Hearne, TX | 4,421 | 38 | 24.0% |
| Wixon Valley, TX | 154 | 38 | 24.0% |
| Kurten, TX | 427 | 38 | 24.0% |
| Lake Bryan, TX | 1,270 | 38 | 24.0% |
| Snook, TX | 554 | 44 | 12.0% |
| Bryan, TX | 85,645 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Duluth, MN | 85,852 | 35 | 30.0% |
| Hawthorne, CA | 85,410 | 72 | 44.0% |
| Hoover, AL | 85,386 | 53 | 6.0% |
| Bloomington, MN | 85,226 | 46 | 8.0% |
| Clifton, NJ | 85,201 | 51 | 2.0% |
| Bryan, TX | 85,645 | 38 | 24.0% |
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