Climate ▸Forecast ▸March ▸April ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Chantilly Weather and Climate: A Comprehensive Guide

Chantilly experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Chantilly is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 31°C in July, the warmest time of the year, to a chilly 6°C during cooler months like January.

At night, temperatures typically drop to an average of around -4°C during these months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Chantilly has a notably wet climate with abundant precipitation, recording 1158 mm of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 139 mm of precipitation, spread over 11 rainy days.

In contrast, February experiences a drier climate, with about 64 mm of rainfall spread across 10 rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Chantilly. While June receives considerable daily sunshine with up to 9.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Washington DC, the United States of America (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (34 KM, 21 Miles).

Forecast for Chantilly

Saturday
8 Mar
Fair
Fair
8°C
0 mm
Sunday
9 Mar
Fair
Fair
10°C
0 mm
Monday
10 Mar
Partly cloudy
Partly cloudy
16°C
0 mm

Select a Month of Interest

Check the conditions for any month of the year.

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.