| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 46°F | 41°F | 3.8" |
| February | 37°F | 49°F | 42°F | 2.7" |
| March | 39°F | 52°F | 45°F | 4.4" |
| April | 42°F | 57°F | 48°F | 2.8" |
| May | 47°F | 64°F | 54°F | 2.2" |
| June | 51°F | 68°F | 58°F | 1.8" |
| July | 55°F | 74°F | 63°F | 0.7" |
| August | 56°F | 75°F | 63°F | 0.9" |
| September | 53°F | 69°F | 59°F | 2.0" |
| October | 47°F | 59°F | 52°F | 3.6" |
| November | 40°F | 51°F | 45°F | 5.7" |
| December | 35°F | 44°F | 39°F | 4.9" |
| Index | Gold Bar | Washington | National |
| Air quality index | 45 | 36 | 42 |
| Pollution index | 43,367,400 | 4,541,850 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 236 |
| Days with moderate air quality | 127 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.790% |
| Carbon Tetrachloride | 0.120% |
| Lead | 0.210% |
| Mercury | 0.180% |
| City | Population | Air Quality Index | National Avg. |
| Lake Bosworth, WA | 1,071 | 24 | 52.0% |
| Lake Marcel-Stillwater, WA | 1,346 | 45 | 10.0% |
| Monroe North, WA | 1,740 | 45 | 10.0% |
| Three Lakes, WA | 3,411 | 45 | 10.0% |
| Baring, WA | 205 | 45 | 10.0% |
| Gold Bar, WA | 1,995 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Hurstbourne Acres, KY | 1,995 | 49 | 2.0% |
| Warsaw, KY | 1,995 | 54 | 8.0% |
| Valencia, NM | 1,995 | 53 | 6.0% |
| Churchill, OH | 1,995 | 42 | 16.0% |
| Elida, OH | 1,995 | 39 | 22.0% |
| Gold Bar, WA | 1,995 | 45 | 10.0% |
Here are the best places to live in Washington
Check out the 10 safest cities in Washington
These are the 10 cheapest cities in Washington
Most Dangerous Cities In The US