Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 66°F | 52°F | 10.0" |
February | 44°F | 68°F | 54°F | 5.7" |
March | 46°F | 75°F | 58°F | 2.7" |
April | 47°F | 78°F | 60°F | 1.7" |
May | 53°F | 83°F | 66°F | 2.2" |
June | 55°F | 88°F | 70°F | 1.2" |
July | 63°F | 96°F | 78°F | 0.0" |
August | 63°F | 96°F | 78°F | 0.1" |
September | 56°F | 88°F | 70°F | 1.0" |
October | 51°F | 83°F | 64°F | 3.9" |
November | 46°F | 78°F | 59°F | 19.8" |
December | 39°F | 66°F | 51°F | 4.9" |
Index | Yucaipa | California | National |
Air quality index | 89 | 55 | 42 |
Pollution index | 31,575,300 | 10,473,190 | 2,726,193 |
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 | 0.110% |
Benzene | 0.260% |
Carbon Tetrachloride | 0.020% |
Lead | 0.350% |
Mercury | 0.280% |
City | Population | Air Quality Index | National Avg. |
Calimesa, CA | 9,156 | 89 | 78.0% |
Moreno Valley, CA | 208,751 | 89 | 78.0% |
Lakeview, CA | 2,452 | 89 | 78.0% |
Highland, CA | 55,339 | 89 | 78.0% |
Cherry Valley, CA | 8,026 | 89 | 78.0% |
Yucaipa, CA | 54,358 | 89 | 78.0% |
City | Population | Air Quality Index | National Avg. |
Decatur, AL | 54,344 | 41 | 18.0% |
Rocky Mount, NC | 54,330 | 36 | 28.0% |
Albany, OR | 54,442 | 28 | 44.0% |
Westchester, FL | 54,470 | 41 | 18.0% |
Anderson, IN | 54,476 | 42 | 16.0% |
Yucaipa, CA | 54,358 | 89 | 78.0% |