| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 58°F | 44°F | 2.3" |
| February | 37°F | 63°F | 48°F | 1.6" |
| March | 46°F | 72°F | 58°F | 2.8" |
| April | 53°F | 78°F | 65°F | 3.4" |
| May | 60°F | 84°F | 72°F | 4.1" |
| June | 70°F | 93°F | 81°F | 3.8" |
| July | 72°F | 96°F | 84°F | 3.0" |
| August | 73°F | 97°F | 84°F | 3.7" |
| September | 64°F | 89°F | 76°F | 3.2" |
| October | 53°F | 80°F | 65°F | 4.3" |
| November | 44°F | 69°F | 55°F | 2.9" |
| December | 35°F | 59°F | 45°F | 1.6" |
| Index | Chico | Texas | National |
| Air quality index | 26 | 52 | 42 |
| Pollution index | 1,399,310 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 345 |
| Days with good air quality | 308 |
| Days with moderate air quality | 37 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Alvord, TX | 1,104 | 26 | 48.0% |
| Sunset, TX | 651 | 26 | 48.0% |
| Sunset CDP (Starr County), TX | 15 | 26 | 48.0% |
| Boyd, TX | 1,375 | 33 | 34.0% |
| Runaway Bay, TX | 1,724 | 33 | 34.0% |
| Chico, TX | 1,166 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Whitewater, CA | 1,166 | 89 | 78.0% |
| Cullen, LA | 1,166 | 39 | 22.0% |
| Elbow Lake, MN | 1,166 | 33 | 34.0% |
| Taylors Falls, MN | 1,166 | 46 | 8.0% |
| Garland, NC | 1,166 | 30 | 40.0% |
| Chico, TX | 1,166 | 26 | 48.0% |
Here are the best places to live in Texas
Check out the 10 most dangerous cities in Texas
See the best places to live in Chico
Most Dangerous Cities In The US