Chantilly Weather in May

May in Chantilly averages 24°C (75°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 130 mm (5.1 in) on average. An umbrella is a good idea.

Rainfall in Chantilly in May

You can typically expect 14 days of rain this month, averaging around 130 mm (5.1 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Chantilly in May

In May, Chantilly sees high temperatures, with highs of 24°C (75°F). Nights drop to around 12°C (54°F). Overall, the month follows a fairly predictable daily temperature pattern. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Chantilly in May

The month enjoys around 259 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, May 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 May

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 48%  

Precipitation 130 mm (5.1 in)  

Rainy days 14 days  

Humidity 64% *  

Sunshine 259 hours *  

Percentage Sunshine 59% *  

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

What to Wear in Chantilly in May

For Chantilly in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Chantilly in May

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

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.