Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 39°F | 60°F | 49°F | 0.6" |
February | 43°F | 66°F | 54°F | 0.5" |
March | 50°F | 75°F | 62°F | 0.2" |
April | 55°F | 82°F | 68°F | 0.2" |
May | 65°F | 91°F | 78°F | 0.1" |
June | 76°F | 102°F | 90°F | 0.0" |
July | 82°F | 107°F | 94°F | 0.3" |
August | 79°F | 104°F | 92°F | 0.5" |
September | 72°F | 96°F | 84°F | 0.4" |
October | 59°F | 83°F | 71°F | 0.5" |
November | 48°F | 71°F | 59°F | 0.2" |
December | 39°F | 59°F | 48°F | 0.5" |
Index | Winchester | Nevada | National |
Air quality index | 54 | 38 | 42 |
Pollution index | 5,460,430 | 2,601,914 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 154 |
Days with moderate air quality | 206 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Nellis AFB, NV | 3,770 | 54 | 8.0% |
Summerlin South, NV | 28,716 | 54 | 8.0% |
Enterprise, NV | 214,591 | 54 | 8.0% |
North Las Vegas, NV | 247,248 | 54 | 8.0% |
Sunrise Manor, NV | 198,187 | 54 | 8.0% |
Winchester, NV | 36,302 | 54 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Oak Creek, WI | 36,321 | 39 | 22.0% |
Richfield, MN | 36,253 | 46 | 8.0% |
Elmont, NY | 36,245 | 51 | 2.0% |
Benton, AR | 36,360 | 45 | 10.0% |
Calumet City, IL | 36,229 | 55 | 10.0% |
Winchester, NV | 36,302 | 54 | 8.0% |