| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 48°F | 31°F | 0.1" |
| February | 21°F | 52°F | 35°F | 0.2" |
| March | 30°F | 65°F | 46°F | 0.5" |
| April | 38°F | 72°F | 53°F | 1.0" |
| May | 47°F | 81°F | 63°F | 1.7" |
| June | 59°F | 93°F | 75°F | 1.5" |
| July | 64°F | 96°F | 79°F | 2.2" |
| August | 62°F | 93°F | 76°F | 1.5" |
| September | 53°F | 87°F | 69°F | 1.0" |
| October | 40°F | 74°F | 55°F | 1.1" |
| November | 28°F | 62°F | 43°F | 0.2" |
| December | 18°F | 47°F | 30°F | 0.3" |
| Index | La Junta | Colorado | National |
| Air quality index | 20 | 38 | 42 |
| Pollution index | 451,512 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 126 |
| Days with good air quality | 125 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| North La Junta, CO | 382 | 20 | 60.0% |
| Rocky Ford, CO | 3,833 | 20 | 60.0% |
| Cheraw, CO | 202 | 20 | 60.0% |
| Swink, CO | 824 | 20 | 60.0% |
| La Junta Gardens, CO | 168 | 20 | 60.0% |
| La Junta, CO | 6,907 | 20 | 60.0% |
| City | Population | Air Quality Index | National Avg. |
| Parry Sound, ON | 6,908 | n/a | |
| Treasure Island, FL | 6,910 | 38 | 24.0% |
| Herkimer, NY | 6,912 | 27 | 46.0% |
| Pointe-Calumet, QC | 6,912 | n/a | |
| Mila Doce, TX | 6,901 | 42 | 16.0% |
| La Junta, CO | 6,907 | 20 | 60.0% |
Here are the best places to live in Colorado
Safest Cities In The US
These are the 10 cheapest cities in Colorado
See the best places to live in La Junta