| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 43°F | 29°F | 2.6" |
| February | 20°F | 47°F | 32°F | 0.5" |
| March | 28°F | 59°F | 42°F | 1.4" |
| April | 34°F | 64°F | 47°F | 3.7" |
| May | 43°F | 71°F | 55°F | 4.4" |
| June | 52°F | 85°F | 68°F | 2.1" |
| July | 57°F | 90°F | 72°F | 2.6" |
| August | 56°F | 87°F | 71°F | 2.6" |
| September | 50°F | 81°F | 64°F | 1.8" |
| October | 38°F | 66°F | 50°F | 2.2" |
| November | 27°F | 55°F | 39°F | 1.2" |
| December | 16°F | 42°F | 27°F | 0.4" |
| Index | Loveland | Colorado | National |
| Air quality index | 48 | 38 | 42 |
| Pollution index | 1,328,390 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 208 |
| Days with moderate air quality | 151 |
| Days w/ poor A.Q. for sensitive groups | 6 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Mead, CO | 4,978 | 45 | 10.0% |
| Severance, CO | 5,611 | 45 | 10.0% |
| Gilcrest, CO | 1,381 | 45 | 10.0% |
| Milliken, CO | 7,862 | 45 | 10.0% |
| Johnstown, CO | 14,357 | 45 | 10.0% |
| Loveland, CO | 81,774 | 48 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Westland, MI | 81,713 | 56 | 12.0% |
| Atascocita, TX | 81,860 | 52 | 4.0% |
| Kawartha Lakes, ON | 81,906 | n/a | |
| Cicero, IL | 81,471 | 55 | 10.0% |
| Prince George, BC | 82,094 | n/a | |
| Loveland, CO | 81,774 | 48 | 4.0% |
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