| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 43°F | 36°F | 2.2" |
| February | 32°F | 51°F | 40°F | 1.4" |
| March | 36°F | 59°F | 46°F | 1.5" |
| April | 41°F | 66°F | 52°F | 0.8" |
| May | 48°F | 76°F | 61°F | 1.0" |
| June | 55°F | 82°F | 67°F | 0.5" |
| July | 60°F | 92°F | 75°F | 0.1" |
| August | 59°F | 91°F | 75°F | 0.2" |
| September | 52°F | 83°F | 66°F | 0.4" |
| October | 43°F | 67°F | 54°F | 1.3" |
| November | 35°F | 53°F | 43°F | 2.1" |
| December | 29°F | 42°F | 35°F | 3.1" |
| Index | Centerville | Washington | National |
| Air quality index | 23 | 36 | 42 |
| Pollution index | 1,258,680 | 4,541,850 | 2,726,193 |
| Measurement | Total |
| Days measured | 350 |
| Days with good air quality | 298 |
| Days with moderate air quality | 52 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| The Dalles, OR | 15,518 | 23 | 54.0% |
| Maryhill, WA | 44 | 23 | 54.0% |
| Biggs Junction, OR | 0 | 23 | 54.0% |
| Dallesport, WA | 1,357 | 23 | 54.0% |
| Wishram, WA | 537 | 23 | 54.0% |
| Centerville, WA | 118 | 23 | 54.0% |
| City | Population | Air Quality Index | National Avg. |
| Chalkyitsik, AK | 118 | 38 | 24.0% |
| Delta, AL | 118 | 38 | 24.0% |
| Reed, AR | 118 | 43 | 14.0% |
| Katherine, AZ | 118 | 13 | 74.0% |
| Montgomery Creek, CA | 118 | 42 | 16.0% |
| Centerville, WA | 118 | 23 | 54.0% |
Here are the best places to live in Washington
These are the 10 most affordable cities in Washington
Top 10 cities in Washington with the best education system
Top 10 best public schools in Centerville