Osage, IA
Climate overview — based on NOAA 1991-2020 normals from OSAGE, IA US.
Year-round temperatures (°F)
Climate summary
Osage has an annual average temperature of 45.3°F with about 37.6 inches of precipitation per year and 39.6 inches of snow. The warmest month is July (average high 81.4°F), and the coldest is January (average low 6.2°F). June is typically the wettest month (5.57 in) and January the driest (1.17 in). Snow typically falls from October through May.
Best time to visit Osage
Full guide →Climate change signal
All-time records →43 of 366 (11.7%) of Osage'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.
| 1890s | 2 | |
| 1900s | 10 | |
| 1910s | 41 | |
| 1920s | 14 | |
| 1930s | 74 | |
| 1940s | 34 | |
| 1950s | 18 | |
| 1960s | 14 | |
| 1970s | 12 | |
| 1980s | 27 | |
| 1990s | 30 | |
| 2000s | 29 | |
| 2010s | 30 | |
| 2020s | 31 |
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 | 23.2°F | 6.2°F | 14.7°F | 1.17 in | 9.9 in | 5 |
| February | 27.9°F | 10.3°F | 19.1°F | 1.25 in | 9.2 in | 5 |
| March | 40.9°F | 22.9°F | 31.9°F | 1.91 in | 6.2 in | 7 |
| April | 56.1°F | 35.0°F | 45.5°F | 4.01 in | 2.2 in | 9 |
| May | 68.2°F | 47.4°F | 57.8°F | 5.19 in | 0.4 in | 12 |
| June | 78.0°F | 58.1°F | 68.0°F | 5.57 in | — | 11 |
| July | 81.4°F | 61.7°F | 71.6°F | 4.97 in | — | 8 |
| August | 79.1°F | 59.0°F | 69.1°F | 3.95 in | — | 9 |
| September | 73.0°F | 50.3°F | 61.7°F | 3.51 in | — | 8 |
| October | 59.6°F | 37.6°F | 48.6°F | 2.73 in | 0.2 in | 7 |
| November | 42.7°F | 25.0°F | 33.9°F | 1.84 in | 1.9 in | 5 |
| December | 29.2°F | 13.6°F | 21.4°F | 1.51 in | 9.6 in | 6 |
Climate twins of Osage
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).