Charles City, IA
Climate overview — based on NOAA 1991-2020 normals from CHARLES CITY, IA US.
Year-round temperatures (°F)
Climate summary
Charles City has an annual average temperature of 46.5°F with about 37.7 inches of precipitation per year and 37.5 inches of snow. The warmest month is July (average high 82.0°F), and the coldest is January (average low 8.6°F). June is typically the wettest month (6.13 in) and January the driest (1.01 in). Snow typically falls from November through May.
Best time to visit Charles City
Full guide →Climate change signal
All-time records →48 of 366 (13.1%) of Charles City'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 | 33 | |
| 1900s | 19 | |
| 1940s | 7 | |
| 1950s | 48 | |
| 1960s | 34 | |
| 1970s | 23 | |
| 1980s | 53 | |
| 1990s | 32 | |
| 2000s | 44 | |
| 2010s | 39 | |
| 2020s | 34 |
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 | 24.6°F | 8.6°F | 16.6°F | 1.01 in | 9.5 in | 8 |
| February | 29.5°F | 12.6°F | 21.1°F | 1.14 in | 9.3 in | 7 |
| March | 43.1°F | 25.3°F | 34.2°F | 1.93 in | 5.4 in | 9 |
| April | 58.1°F | 36.7°F | 47.4°F | 3.73 in | 2.1 in | 10 |
| May | 69.5°F | 48.5°F | 59.0°F | 5.06 in | 0.3 in | 13 |
| June | 78.8°F | 58.6°F | 68.7°F | 6.13 in | — | 12 |
| July | 82.0°F | 62.1°F | 72.0°F | 4.92 in | — | 10 |
| August | 79.6°F | 59.7°F | 69.6°F | 4.28 in | — | 9 |
| September | 73.4°F | 51.3°F | 62.4°F | 3.82 in | — | 9 |
| October | 60.3°F | 38.8°F | 49.6°F | 2.58 in | 0.1 in | 9 |
| November | 43.7°F | 26.3°F | 35.0°F | 1.74 in | 2.8 in | 7 |
| December | 29.8°F | 15.1°F | 22.5°F | 1.38 in | 8.0 in | 8 |
Climate twins of Charles City
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).