| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 46°F | 41°F | 6.8" |
| February | 36°F | 50°F | 43°F | 2.9" |
| March | 41°F | 56°F | 48°F | 6.1" |
| April | 43°F | 58°F | 49°F | 3.5" |
| May | 48°F | 66°F | 56°F | 3.5" |
| June | 51°F | 69°F | 58°F | 1.9" |
| July | 55°F | 77°F | 65°F | 3.2" |
| August | 55°F | 77°F | 64°F | 0.9" |
| September | 51°F | 69°F | 58°F | 3.3" |
| October | 47°F | 59°F | 52°F | 3.5" |
| November | 40°F | 49°F | 44°F | 6.5" |
| December | 37°F | 45°F | 41°F | 9.0" |
| Index | Dash Point | Washington | National |
| Air quality index | 18 | 36 | 50 |
| Pollution index | 1,081,430 | 8,596,989 | 5,066,862 |
| Measurement | Total |
| Days measured | 340 |
| Days with good air quality | 338 |
| Days with moderate air quality | 2 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Maplewood, WA | 5,223 | 18 | 64% |
| East Port Orchard, WA | 5,301 | 18 | 64% |
| Gorst, WA | 403 | 18 | 64% |
| Raft Island, WA | 342 | 18 | 64% |
| Browns Point, WA | 1,187 | 18 | 64% |
| Dash Point, WA | 939 | 18 | 64% |
| City, State | Population | Air Quality Index | National Avg. |
| Ehrenberg, AZ | 939 | 13 | 74% |
| Elkhorn City, KY | 939 | 45 | 10% |
| Woodland, ME | 939 | 31 | 38% |
| Montandon, PA | 939 | 35 | 30% |
| Falls City, OR | 939 | 32 | 36% |
| Dash Point, WA | 939 | 18 | 64% |
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