Chillicothe (MO) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chillicothe.
Climate overview of Chillicothe
The climate in Chillicothe, Missouri, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 3°C (37°F) in January.
The city receives considerable rain/snowfall, with around 1075 mm (42 in) annually. August is the wettest month. It has very warm summers and cold winters.
Chillicothe Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chillicothe - and find the best time to visit.
Monthly Temperature in Chillicothe
In Chillicothe, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 3°C (37°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chillicothe
Chillicothe experiences significant rain/snowfall throughout the year, averaging 1075 mm (42 in) of precipitation annually. The climate in Chillicothe shows significant variation throughout the year. Expect high rainfall in August, the wettest month, with an average of 137 mm (5.4 in) of precipitation over 11 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 23 mm (0.9 in) of snow/rainfall over 6 snowy/rainy days. For more details, please visit our Chillicothe 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 Chillicothe
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, September and October
- Warmest weather: July and August
- Fewest rainy days: January, February and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Chillicothe
What is the best time to visit Chillicothe?
May, June, September and October typically offer the most optimal weather in Chillicothe. In contrast, January, February and December tend to have less optimal conditions. Chillicothe has very warm summers and cold winters.
What temperatures can I expect in Chillicothe?
Daytime highs range from 3°C (37°F) in January to 31°C (88°F) in July. Nighttime lows range from -9°C (16°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Chillicothe get?
Annual rainfall is around 1075 mm (42 in). August is the wettest month with 137 mm (5.4 in), while January is the driest with 23 mm (0.9 in).
Chillicothe 3-Day Forecast
Chillicothe on the map
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