Carroll (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Carroll.
Climate overview of Carroll
The climate in Carroll, Iowa, United States of America, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in July to -2°C (28°F) in January.
Annual rain/snowfall is moderate at around 889 mm (35 in), with June being the wettest month. The city also has a distinct dry season from January to March, with warm summers and very cold winters.
Carroll Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carroll - and find the best time to visit.
Monthly Temperature in Carroll
In Carroll, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 17°C (63°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Carroll
On average, Carroll receives a reasonable amount of rain/snowfall, with an annual precipitation of 889 mm (35 in). Carroll can be quite wet during June, receiving approximately 137 mm (5.4 in) of precipitation over 13 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 19 mm (0.7 in) of precipitation spread across 6 snowy days. For more details, please visit our Carroll 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 Carroll
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: June, July and August
- Fewest rainy days: January, February and November
- Wettest months: April, May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to March, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Carroll
What is the best time to visit Carroll?
September typically offers the most optimal weather in Carroll. In contrast, January, February, March and December tend to have less optimal conditions. Carroll has a distinct dry season from January to March, with warm summers and very cold winters.
What temperatures can I expect in Carroll?
Daytime highs range from -2°C (28°F) in January to 29°C (84°F) in July. Nighttime lows range from -12°C (10°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Carroll get?
Annual rainfall is around 889 mm (35 in). June is the wettest month with 137 mm (5.4 in), while January is the driest with 19 mm (0.7 in).
Carroll 3-Day Forecast
Carroll (IA) 3-Day Forecast
Carroll on the map
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