Challis, ID
Climate overview — based on NOAA 1991-2020 normals from CHALLIS AP, ID US.
Year-round temperatures (°F)
Climate summary
Challis has an annual average temperature of 44.4°F with about 6.9 inches of precipitation per year. The warmest month is July (average high 86.9°F), and the coldest is January (average low 10.7°F). May is typically the wettest month (0.93 in) and February the driest (0.36 in).
Best time to visit Challis
Full guide →Climate change signal
All-time records →190 of 366 (51.9%) of Challis's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 13 | |
| 2000s | 131 | |
| 2010s | 102 | |
| 2020s | 120 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 29.2°F | 10.7°F | 20.0°F | 0.41 in | — | 6 |
| February | 36.7°F | 17.0°F | 26.8°F | 0.36 in | — | 5 |
| March | 49.2°F | 25.5°F | 37.3°F | 0.46 in | — | 7 |
| April | 56.8°F | 31.2°F | 44.0°F | 0.52 in | — | 7 |
| May | 66.8°F | 40.0°F | 53.4°F | 0.93 in | — | 9 |
| June | 75.5°F | 46.3°F | 60.9°F | 0.93 in | — | 8 |
| July | 86.9°F | 51.7°F | 69.3°F | 0.42 in | — | 5 |
| August | 84.9°F | 49.9°F | 67.4°F | 0.45 in | — | 5 |
| September | 74.5°F | 42.0°F | 58.2°F | 0.85 in | — | 5 |
| October | 58.5°F | 31.6°F | 45.0°F | 0.56 in | — | 5 |
| November | 40.5°F | 20.6°F | 30.5°F | 0.52 in | — | 6 |
| December | 28.8°F | 10.8°F | 19.8°F | 0.52 in | — | 7 |
Climate twins of Challis
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).