| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 60°F | 43°F | 1.3" |
| February | 33°F | 66°F | 48°F | 0.8" |
| March | 38°F | 72°F | 54°F | 0.5" |
| April | 43°F | 77°F | 60°F | 0.3" |
| May | 51°F | 87°F | 69°F | 0.0" |
| June | 60°F | 97°F | 79°F | 0.0" |
| July | 67°F | 102°F | 85°F | 0.2" |
| August | 64°F | 101°F | 83°F | 0.1" |
| September | 56°F | 95°F | 75°F | 0.1" |
| October | 45°F | 82°F | 62°F | 0.2" |
| November | 35°F | 70°F | 51°F | 0.3" |
| December | 28°F | 58°F | 42°F | 0.8" |
| Index | Boron | California | National |
| Air quality index | 89 | 55 | 50 |
| Pollution index | 21,095,500 | 18,106,726 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 42 |
| Days with moderate air quality | 178 |
| Days w/ poor A.Q. for sensitive groups | 79 |
| Days with unhealthy air quality | 58 |
| Pollutant | Total |
| Arsenic | 1.700% |
| Benzene | 0.350% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.580% |
| Mercury | 1.550% |
| City, State | Population | Air Quality Index | National Avg. |
| North Edwards, CA | 823 | 67 | 34% |
| Edwards AFB, CA | 2,513 | 72 | 44% |
| Boron, CA | 2,314 | 89 | 78% |
| City, State | Population | Air Quality Index | National Avg. |
| Altamont, IL | 2,314 | 40 | 20% |
| New Stanton, PA | 2,314 | 56 | 12% |
| Helmetta, NJ | 2,314 | 41 | 18% |
| Mount Jackson, VA | 2,314 | 36 | 28% |
| Holyoke, CO | 2,314 | 19 | 62% |
| Boron, CA | 2,314 | 89 | 78% |
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