Red Oak, IA
Climate overview — based on NOAA 1991-2020 normals from RED OAK, IA US.
Year-round temperatures (°F)
Climate summary
Red Oak has an annual average temperature of 50.8°F with about 37.2 inches of precipitation per year and 27.4 inches of snow. The warmest month is July (average high 86.3°F), and the coldest is January (average low 12.5°F). May is typically the wettest month (5.95 in) and January the driest (0.88 in). Snow typically falls from October through April.
Best time to visit Red Oak
Full guide →Climate change signal
All-time records →50 of 366 (13.7%) of Red Oak'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 | 9 | |
| 1900s | 7 | |
| 1920s | 0 | |
| 1930s | 27 | |
| 1940s | 24 | |
| 1950s | 52 | |
| 1960s | 24 | |
| 1970s | 38 | |
| 1980s | 54 | |
| 1990s | 29 | |
| 2000s | 36 | |
| 2010s | 40 | |
| 2020s | 26 |
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 | 32.8°F | 12.5°F | 22.7°F | 0.88 in | 7.3 in | 5 |
| February | 37.8°F | 16.4°F | 27.1°F | 1.11 in | 8.1 in | 7 |
| March | 50.9°F | 27.7°F | 39.3°F | 2.03 in | 2.6 in | 8 |
| April | 63.2°F | 38.3°F | 50.7°F | 3.83 in | 1.2 in | 11 |
| May | 73.4°F | 50.8°F | 62.1°F | 5.95 in | — | 14 |
| June | 82.8°F | 61.4°F | 72.1°F | 5.44 in | — | 11 |
| July | 86.3°F | 65.5°F | 75.9°F | 3.96 in | — | 10 |
| August | 84.7°F | 62.7°F | 73.7°F | 3.89 in | — | 9 |
| September | 78.4°F | 53.2°F | 65.8°F | 3.58 in | — | 8 |
| October | 65.7°F | 40.6°F | 53.2°F | 3.31 in | 0.5 in | 8 |
| November | 50.3°F | 27.8°F | 39.1°F | 1.88 in | 1.2 in | 6 |
| December | 37.4°F | 17.9°F | 27.6°F | 1.38 in | 6.5 in | 6 |
Climate twins of Red Oak
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).