| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 60°F | 44°F | 1.6" |
| February | 34°F | 64°F | 48°F | 1.2" |
| March | 40°F | 70°F | 54°F | 0.6" |
| April | 44°F | 76°F | 59°F | 0.3" |
| May | 53°F | 84°F | 68°F | 0.1" |
| June | 62°F | 94°F | 78°F | 0.0" |
| July | 68°F | 100°F | 84°F | 0.2" |
| August | 65°F | 99°F | 83°F | 0.0" |
| September | 56°F | 93°F | 75°F | 0.2" |
| October | 46°F | 81°F | 63°F | 0.4" |
| November | 36°F | 70°F | 52°F | 0.4" |
| December | 30°F | 59°F | 43°F | 1.0" |
| Index | Tehachapi | California | National |
| Air quality index | 67 | 55 | 42 |
| Pollution index | 21,095,500 | 10,473,190 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 119 |
| Days with moderate air quality | 151 |
| Days w/ poor A.Q. for sensitive groups | 87 |
| Days with unhealthy air quality | 6 |
| Pollutant | Total |
| Arsenic | 1.700% |
| Benzene | 0.350% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.580% |
| Mercury | 1.550% |
| City | Population | Air Quality Index | National Avg. |
| Keene, CA | 266 | 67 | 34.0% |
| Stallion Springs, CA | 3,056 | 67 | 34.0% |
| Bear Valley Springs, CA | 5,435 | 67 | 34.0% |
| Golden Hills, CA | 10,470 | 67 | 34.0% |
| Tehachapi, CA | 13,179 | 67 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Willow Grove, PA | 13,179 | 51 | 2.0% |
| Gaffney, SC | 13,179 | 36 | 28.0% |
| Glendale, WI | 13,179 | 44 | 12.0% |
| Harrison, OH | 13,180 | 54 | 8.0% |
| Crowley, LA | 13,176 | 41 | 18.0% |
| Tehachapi, CA | 13,179 | 67 | 34.0% |