| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 10°F | 28°F | 19°F | 3.3" |
| February | 15°F | 34°F | 24°F | 1.6" |
| March | 22°F | 44°F | 33°F | 2.3" |
| April | 31°F | 55°F | 44°F | 3.6" |
| May | 38°F | 65°F | 54°F | 4.4" |
| June | 44°F | 75°F | 63°F | 3.2" |
| July | 52°F | 90°F | 75°F | 2.6" |
| August | 50°F | 83°F | 69°F | 2.6" |
| September | 39°F | 73°F | 58°F | 2.8" |
| October | 32°F | 59°F | 45°F | 3.6" |
| November | 23°F | 46°F | 34°F | 1.2" |
| December | 15°F | 30°F | 22°F | 1.7" |
| Index | Arimo | Idaho | National |
| Air quality index | 27 | 32 | 42 |
| Pollution index | 881,525 | 2,063,710 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 344 |
| Days with moderate air quality | 21 |
| 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 | 0.002% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lava Hot Springs, ID | 253 | 27 | 46.0% |
| McCammon, ID | 794 | 27 | 46.0% |
| Bancroft, ID | 309 | 27 | 46.0% |
| Downey, ID | 870 | 27 | 46.0% |
| Arimo, ID | 326 | 27 | 46.0% |
| City | Population | Air Quality Index | National Avg. |
| Anchor Bay, CA | 326 | 33 | 34.0% |
| Low Moor, IA | 326 | 42 | 16.0% |
| London Mills, IL | 326 | 41 | 18.0% |
| Crane, IN | 326 | 1 | 98.0% |
| Nashua, MT | 326 | 34 | 32.0% |
| Arimo, ID | 326 | 27 | 46.0% |
Here are the best places to live in Idaho
These are the 10 most affordable cities in Idaho
10 Best cities in Idaho for employment
Top 10 cities in Idaho with the best education system