| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 51°F | 43°F | 10.5" |
| February | 37°F | 53°F | 44°F | 6.7" |
| March | 39°F | 55°F | 46°F | 9.5" |
| April | 40°F | 57°F | 49°F | 6.0" |
| May | 45°F | 63°F | 53°F | 4.1" |
| June | 50°F | 66°F | 57°F | 2.4" |
| July | 53°F | 69°F | 60°F | 1.0" |
| August | 53°F | 71°F | 61°F | 0.8" |
| September | 50°F | 70°F | 59°F | 3.3" |
| October | 45°F | 63°F | 53°F | 7.4" |
| November | 40°F | 55°F | 47°F | 12.7" |
| December | 36°F | 49°F | 42°F | 11.3" |
| Index | Neahkahnie | Oregon | National |
| Air quality index | 18 | 32 | 42 |
| Pollution index | 1,735,090 | 7,156,356 | 2,726,193 |
| Measurement | Total |
| Days measured | 360 |
| Days with good air quality | 338 |
| Days with moderate air quality | 22 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Garibaldi, OR | 672 | 18 | 64.0% |
| Wheeler, OR | 382 | 18 | 64.0% |
| Manzanita, OR | 454 | 18 | 64.0% |
| Bayside Gardens, OR | 1,104 | 18 | 64.0% |
| Nehalem, OR | 366 | 18 | 64.0% |
| Neahkahnie, OR | 271 | 18 | 64.0% |
| City | Population | Air Quality Index | National Avg. |
| Detroit, AL | 271 | 39 | 22.0% |
| Denning, AR | 271 | 36 | 28.0% |
| Scranton, AR | 271 | 36 | 28.0% |
| El Portal, CA | 271 | 39 | 22.0% |
| Gerrard, CO | 271 | 44 | 12.0% |
| Neahkahnie, OR | 271 | 18 | 64.0% |
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