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Chantilly Climate by Month

The graphs below provide an overview of the climate in Chantilly (Virginia), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Chantilly

Fri   Jul 26
29°C | 20°C
NE 14 km/h
almost clear and no rain

almost clear and no rain

Sat   Jul 27
31°C | 18°C
N 11 km/h
almost clear and no rain

almost clear and no rain

Sun   Jul 28
33°C | 18°C
S 11 km/h
partly cloudy and no rain

partly cloudy and no rain

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

Other facts from our historical weather data:

  • When is summer in Chantilly?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Chantilly?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Chantilly?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Chantilly?
    October tops the wettest month list with 139 mm of rainfall.
  • Which is the driest month in Chantilly?
    February is the driest month with 64 mm of precipitation.
  • Which is the sunniest month in Chantilly?
    June is the sunniest month with an average of 282 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.