| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 46°F | 31°F | 0.5" |
| February | 23°F | 52°F | 36°F | 0.3" |
| March | 28°F | 62°F | 44°F | 0.6" |
| April | 34°F | 69°F | 51°F | 0.6" |
| May | 42°F | 77°F | 60°F | 0.6" |
| June | 53°F | 90°F | 72°F | 0.4" |
| July | 58°F | 90°F | 74°F | 2.3" |
| August | 56°F | 87°F | 71°F | 1.9" |
| September | 50°F | 81°F | 65°F | 1.8" |
| October | 38°F | 70°F | 53°F | 1.2" |
| November | 27°F | 57°F | 41°F | 0.5" |
| December | 20°F | 45°F | 31°F | 0.7" |
| Index | Pecos | New Mexico | National |
| Air quality index | 44 | 37 | 42 |
| Pollution index | 730,298 | 2,051,791 | 2,726,193 |
| Measurement | Total |
| Days measured | 362 |
| Days with good air quality | 274 |
| Days with moderate air quality | 87 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Eldorado at Santa Fe, NM | 5,510 | 44 | 12.0% |
| North San Ysidro, NM | 47 | 44 | 12.0% |
| San Jose, NM | 750 | 44 | 12.0% |
| Tesuque, NM | 828 | 44 | 12.0% |
| Glorieta, NM | 772 | 44 | 12.0% |
| Pecos, NM | 1,194 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Lake Park, IA | 1,194 | 36 | 28.0% |
| Bannockburn, IL | 1,194 | 55 | 10.0% |
| Divernon, IL | 1,194 | 40 | 20.0% |
| Kennebunkport, ME | 1,194 | 40 | 20.0% |
| Boston Heights, OH | 1,194 | 43 | 14.0% |
| Pecos, NM | 1,194 | 44 | 12.0% |
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