| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 55°F | 44°F | 5.4" |
| February | 41°F | 63°F | 51°F | 4.0" |
| March | 44°F | 72°F | 56°F | 2.7" |
| April | 44°F | 75°F | 59°F | 1.8" |
| May | 51°F | 85°F | 68°F | 4.4" |
| June | 56°F | 91°F | 73°F | 0.0" |
| July | 62°F | 99°F | 81°F | 0.0" |
| August | 61°F | 99°F | 79°F | 0.3" |
| September | 54°F | 88°F | 70°F | 1.1" |
| October | 48°F | 80°F | 62°F | 1.1" |
| November | 42°F | 70°F | 54°F | 0.3" |
| December | 39°F | 56°F | 47°F | 3.7" |
| Index | La Vina | California | National |
| Air quality index | 65 | 55 | 50 |
| Pollution index | 3,767,190 | 18,106,726 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 76 |
| Days with moderate air quality | 240 |
| Days w/ poor A.Q. for sensitive groups | 41 |
| Days with unhealthy air quality | 8 |
| Pollutant | Total |
| Arsenic | 0.250% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.050% |
| Mercury | 0.060% |
| City, State | Population | Air Quality Index | National Avg. |
| Parksdale, CA | 3,022 | 65 | 30% |
| Biola, CA | 1,265 | 65 | 30% |
| Madera, CA | 63,398 | 65 | 30% |
| Parkwood, CA | 2,227 | 65 | 30% |
| Bonadelle Ranchos-Madera Ranchos, CA | 8,429 | 65 | 30% |
| La Vina, CA | 291 | 65 | 30% |
| City, State | Population | Air Quality Index | National Avg. |
| Fairgarden, TN | 291 | 41 | 18% |
| Pomeroy, PA | 291 | 45 | 10% |
| New Athens, OH | 291 | 47 | 6% |
| New Albany, PA | 291 | 285 | 470% |
| Ovid, CO | 291 | 20 | 60% |
| La Vina, CA | 291 | 65 | 30% |