Glenns Ferry, ID
Climate overview — based on NOAA 1991-2020 normals from GLENNS FERRY, ID US.
Year-round temperatures (°F)
Climate summary
Glenns Ferry has an annual average temperature of 54.6°F with about 10.6 inches of precipitation per year. The warmest month is July (average high 99.1°F), and the coldest is December (average low 24.5°F). December is typically the wettest month (1.56 in) and July the driest (0.23 in).
Best time to visit Glenns Ferry
Full guide →Climate change signal
All-time records →43 of 366 (11.7%) of Glenns Ferry'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.
| 1900s | 21 | |
| 1910s | 48 | |
| 1920s | 40 | |
| 1930s | 62 | |
| 1940s | 15 | |
| 1950s | 16 | |
| 1960s | 23 | |
| 1970s | 17 | |
| 1980s | 7 | |
| 1990s | 30 | |
| 2000s | 35 | |
| 2010s | 28 | |
| 2020s | 24 |
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 | 43.7°F | 24.9°F | 34.3°F | 1.50 in | — | — |
| February | 50.2°F | 26.6°F | 38.4°F | 0.82 in | — | — |
| March | 60.3°F | 32.1°F | 46.2°F | 1.01 in | — | — |
| April | 67.9°F | 37.5°F | 52.7°F | 0.89 in | — | — |
| May | 78.5°F | 45.5°F | 62.0°F | 1.07 in | — | — |
| June | 87.9°F | 52.6°F | 70.3°F | 0.71 in | — | — |
| July | 99.1°F | 58.6°F | 78.8°F | 0.23 in | — | — |
| August | 97.2°F | 55.7°F | 76.4°F | 0.28 in | — | — |
| September | 86.3°F | 46.1°F | 66.2°F | 0.44 in | — | — |
| October | 71.3°F | 36.0°F | 53.7°F | 0.98 in | — | — |
| November | 55.1°F | 28.8°F | 42.0°F | 1.11 in | — | — |
| December | 43.9°F | 24.5°F | 34.2°F | 1.56 in | — | — |
Climate twins of Glenns Ferry
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).