Charles City (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Charles City.
Climate overview of Charles City
The climate in Charles City, Iowa, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to -4°C (25°F) in January.
The city receives around 948 mm (37 in) of rain/snowfall per year. It experiences a distinct dry season from January to February, with warm summers and very cold winters. June is the wettest month and January the driest.
Charles City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Charles City - and find the best time to visit.
Monthly Temperature in Charles City
In Charles City, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -4°C (25°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to -13°C (9°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Charles City
On average, Charles City receives a reasonable amount of rain/snowfall, with an annual precipitation of 948 mm (37 in). The seasons in Charles City bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 158 mm (6.2 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 20 mm (0.8 in) over 8 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Charles City Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Charles City
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and September
- Warmest weather: July and August
- Fewest rainy days: January, February, October and November
- Wettest months: April, May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to February, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Charles City
What is the best time to visit Charles City?
July and September typically offer the most optimal weather in Charles City. In contrast, January, February, March, November and December tend to have less optimal conditions. Charles City has a distinct dry season from January to February, with warm summers and very cold winters.
What temperatures can I expect in Charles City?
Daytime highs range from -4°C (25°F) in January to 28°C (82°F) in July. Nighttime lows range from -13°C (9°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Charles City get?
Annual rainfall is around 948 mm (37 in). June is the wettest month with 158 mm (6.2 in), while January is the driest with 20 mm (0.8 in).
Charles City 3-Day Forecast
Charles City (IA) 3-Day Forecast
Charles City on the map
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