| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 37°F | 60°F | 47°F | 5.6" |
| February | 41°F | 64°F | 52°F | 4.8" |
| March | 45°F | 69°F | 56°F | 4.6" |
| April | 47°F | 74°F | 60°F | 2.5" |
| May | 52°F | 82°F | 67°F | 0.7" |
| June | 57°F | 91°F | 74°F | 0.3" |
| July | 60°F | 96°F | 77°F | 0.0" |
| August | 59°F | 95°F | 75°F | 0.0" |
| September | 56°F | 92°F | 73°F | 0.1" |
| October | 50°F | 81°F | 64°F | 1.9" |
| November | 43°F | 68°F | 54°F | 2.3" |
| December | 37°F | 59°F | 47°F | 4.6" |
| Index | Elmira | California | National |
| Air quality index | 35 | 55 | 42 |
| Pollution index | 2,457,150 | 10,473,190 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 330 |
| Days with moderate air quality | 31 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.020% |
| City | Population | Air Quality Index | National Avg. |
| Fairfield, CA | 116,544 | 35 | 30.0% |
| Lemon Hill, CA | 15,104 | 35 | 30.0% |
| Green Valley CDP (Los Angeles County), CA | 1,000 | 35 | 30.0% |
| Suisun City, CA | 29,459 | 35 | 30.0% |
| Green Valley, CA | 1,583 | 35 | 30.0% |
| Elmira, CA | 234 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Fredonia, IA | 234 | 32 | 36.0% |
| Colp, IL | 234 | 43 | 14.0% |
| Lake Ka-Ho, IL | 234 | 54 | 8.0% |
| Americus, IN | 234 | 42 | 16.0% |
| Copper City, MI | 234 | 8 | 84.0% |
| Elmira, CA | 234 | 35 | 30.0% |
Here are the best places to live in California
Check out the 10 safest cities in California
Check out the 10 most dangerous cities in California
Most Dangerous Cities In The US