| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 37°F | 61°F | 47°F | 3.9" |
| February | 41°F | 66°F | 51°F | 2.7" |
| March | 49°F | 73°F | 60°F | 5.4" |
| April | 56°F | 80°F | 67°F | 4.3" |
| May | 63°F | 86°F | 74°F | 6.6" |
| June | 71°F | 95°F | 82°F | 4.5" |
| July | 74°F | 98°F | 85°F | 3.0" |
| August | 74°F | 99°F | 86°F | 3.5" |
| September | 67°F | 92°F | 79°F | 4.1" |
| October | 57°F | 83°F | 69°F | 5.1" |
| November | 48°F | 71°F | 58°F | 2.6" |
| December | 39°F | 62°F | 49°F | 2.6" |
| Index | Robinson | Texas | National |
| Air quality index | 38 | 52 | 42 |
| Pollution index | 4,190,870 | 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 | 0.004% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.060% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Hewitt, TX | 14,705 | 38 | 24.0% |
| Woodway, TX | 8,936 | 38 | 24.0% |
| Moody, TX | 1,525 | 38 | 24.0% |
| Lacy-Lakeview, TX | 6,698 | 38 | 24.0% |
| Lorena, TX | 1,822 | 38 | 24.0% |
| Robinson, TX | 11,806 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Martinsville, IN | 11,807 | 42 | 16.0% |
| Bucyrus, OH | 11,808 | 41 | 18.0% |
| Dunkirk, NY | 11,812 | 37 | 26.0% |
| Alum Rock, CA | 11,798 | 43 | 14.0% |
| Manchester, VA | 11,814 | 44 | 12.0% |
| Robinson, TX | 11,806 | 38 | 24.0% |
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