| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 46°F | 71°F | 58°F | 1.1" |
| February | 49°F | 76°F | 62°F | 0.5" |
| March | 54°F | 83°F | 69°F | 0.2" |
| April | 58°F | 88°F | 73°F | 0.1" |
| May | 65°F | 96°F | 80°F | 0.0" |
| June | 73°F | 106°F | 90°F | 0.0" |
| July | 80°F | 109°F | 94°F | 0.3" |
| August | 79°F | 108°F | 94°F | 0.3" |
| September | 74°F | 103°F | 88°F | 0.3" |
| October | 63°F | 91°F | 77°F | 0.1" |
| November | 54°F | 80°F | 67°F | 0.1" |
| December | 45°F | 70°F | 57°F | 1.0" |
| Index | Whitewater | 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. |
| Banning, CA | 30,276 | 89 | 78.0% |
| Cathedral City, CA | 54,812 | 89 | 78.0% |
| Cabazon, CA | 2,271 | 89 | 78.0% |
| Desert Edge, CA | 3,480 | 89 | 78.0% |
| Desert Hot Springs, CA | 29,280 | 89 | 78.0% |
| Whitewater, CA | 1,166 | 89 | 78.0% |
| City | Population | Air Quality Index | National Avg. |
| Cullen, LA | 1,166 | 39 | 22.0% |
| Elbow Lake, MN | 1,166 | 33 | 34.0% |
| Taylors Falls, MN | 1,166 | 46 | 8.0% |
| Garland, NC | 1,166 | 30 | 40.0% |
| Rock Springs, NM | 1,166 | 17 | 66.0% |
| Whitewater, CA | 1,166 | 89 | 78.0% |
Here are the best places to live in California
See the best places to live in Whitewater
Check out the 10 safest cities in California
Check out the 10 most dangerous cities in California