Carroll, IA
Climate overview — based on NOAA 1991-2020 normals from CARROLL, IA US.
Year-round temperatures (°F)
Climate summary
Carroll has an annual average temperature of 48.3°F with about 33.7 inches of precipitation per year. The warmest month is July (average high 84.3°F), and the coldest is January (average low 10.3°F). June is typically the wettest month (5.12 in) and January the driest (0.90 in).
Best time to visit Carroll
Full guide →Climate change signal
All-time records →35 of 366 (9.6%) of Carroll'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 | 17 | |
| 1900s | 19 | |
| 1910s | 18 | |
| 1920s | 23 | |
| 1930s | 90 | |
| 1940s | 32 | |
| 1950s | 22 | |
| 1960s | 16 | |
| 1970s | 10 | |
| 1980s | 18 | |
| 1990s | 26 | |
| 2000s | 28 | |
| 2010s | 23 | |
| 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 | 27.9°F | 10.3°F | 19.1°F | 0.90 in | — | 7 |
| February | 32.8°F | 14.2°F | 23.5°F | 1.11 in | — | 7 |
| March | 46.2°F | 25.3°F | 35.7°F | 1.87 in | — | 8 |
| April | 59.9°F | 36.1°F | 48.0°F | 3.35 in | — | 11 |
| May | 71.1°F | 49.2°F | 60.1°F | 4.49 in | — | 13 |
| June | 81.3°F | 60.0°F | 70.7°F | 5.12 in | — | 12 |
| July | 84.3°F | 63.9°F | 74.1°F | 4.36 in | — | 10 |
| August | 82.2°F | 61.2°F | 71.7°F | 4.06 in | — | 10 |
| September | 76.3°F | 51.8°F | 64.0°F | 2.95 in | — | 9 |
| October | 62.9°F | 39.5°F | 51.2°F | 2.68 in | — | 9 |
| November | 46.4°F | 26.7°F | 36.6°F | 1.44 in | — | 6 |
| December | 33.1°F | 16.1°F | 24.6°F | 1.38 in | — | 7 |
Climate twins of Carroll
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).