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Chesterfield (MO) Weather and Climate: A Comprehensive Guide

Chesterfield experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The climate in Chesterfield is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C in July to a chilly 5°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -6°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Chesterfield has a notably wet climate with abundant precipitation, recording 1101 mm of rain/snowfall per year. The climate in Chesterfield shows significant variation throughout the year. Expect high rainfall in April, with an average of 124 mm of precipitation over 12 rainy days.

In contrast, January offers drier and sunnier days, with around 48 mm of snow/rainfall over 7 snowy/rainy days. For more details, please visit our Chesterfield Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Chesterfield serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: St. Louis, the United States of America (32 KM, 20 Miles).

Daily hours of sunshine

Data from: St. Louis, the United States of America (32 KM, 20 Miles).

Forecast for Chesterfield (MO)

Sat   Dec 21
3°C | -6°C
NW 3 m/s
clear and no rain

clear and no rain

Sun   Dec 22
7°C | -4°C
SE 5 m/s
clear and no rain

clear and no rain

Mon   Dec 23
9°C | 2°C
SW 4 m/s
0.3 mm
overcast and  chance of slight rain

overcast and chance of slight rain

The best time of year to visit Chesterfield in the United States of America

During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Chesterfield?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Chesterfield?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Chesterfield?
    April tops the wettest month list with 124 mm of rainfall.
  • Which is the driest month in Chesterfield?
    January is the driest month with 48 mm of precipitation.
  • Which is the sunniest month in Chesterfield?
    July is the sunniest month with an average of 311 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.