| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 34°F | 25°F | 2.1" |
| February | 23°F | 43°F | 32°F | 2.1" |
| March | 28°F | 53°F | 40°F | 3.9" |
| April | 32°F | 60°F | 46°F | 1.7" |
| May | 40°F | 69°F | 54°F | 3.0" |
| June | 43°F | 74°F | 59°F | 4.4" |
| July | 48°F | 88°F | 69°F | 3.2" |
| August | 46°F | 86°F | 66°F | 1.9" |
| September | 36°F | 74°F | 54°F | 1.7" |
| October | 33°F | 59°F | 45°F | 3.6" |
| November | 25°F | 41°F | 33°F | 4.2" |
| December | 18°F | 32°F | 25°F | 5.4" |
| Index | Priest River | Idaho | National |
| Air quality index | 43 | 32 | 50 |
| Pollution index | 2,800,290 | 2,232,285 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 252 |
| Days with moderate air quality | 111 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City, State | Population | Air Quality Index | National Avg. |
| Sandpoint, ID | 7,698 | 43 | 14% |
| Blanchard, ID | 233 | 43 | 14% |
| Spirit Lake, ID | 2,269 | 43 | 14% |
| Dover, ID | 709 | 43 | 14% |
| Newport, WA | 2,454 | 43 | 14% |
| Priest River, ID | 1,639 | 43 | 14% |
| City, State | Population | Air Quality Index | National Avg. |
| Chesilhurst, NJ | 1,639 | 40 | 20% |
| Stuart, VA | 1,639 | 45 | 10% |
| Irwin, SC | 1,639 | 49 | 2% |
| Edgeworth, PA | 1,639 | 56 | 12% |
| South Bend, WA | 1,639 | 20 | 60% |
| Priest River, ID | 1,639 | 43 | 14% |
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