Chantilly Weather in October

October in Chantilly typically sees daytime highs of 20°C (68°F) and nighttime lows of 8°C (46°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Chantilly in October

As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Historically, October sees about 11 days of rain, with a monthly average of 139 mm (5.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Chantilly in October

October in Chantilly brings typical temperatures with highs around 20°C (68°F) and lows of 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Chantilly in October

The city usually sees around 205 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.

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• January
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For a detailed overview over the year and the best time to visit the United States of America, check out our Chantilly's climate page.

Chantilly Temperature in October

Min Temperature 8°C (46°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 37%  

Precipitation 139 mm (5.5 in)  

Rainy days 11 days  

Humidity 67% *  

Sunshine 205 hours *  

Percentage Sunshine 59% *  

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

What to Wear in Chantilly in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Chantilly in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Chantilly's climate page.

More climate data for Chantilly

Temperature Rainfall Sunshine Humidity

See the full Chantilly climate overview or explore weather in the United States of America.