United States · 1991–2020 normal
Chantilly in
July.
Typical July weather in Chantilly: 31°C by day, 19.2°C at night, 105 mm of rain over 8.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31°C
Typical low19.2°C
Rain105 mm
Wet days8.8
Comfort score 54 this month (September leads the year at 78). Daylight is calculated as 14 h 38 from latitude 38.89°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4751935
- NOAA station
- USW00093738 · WASHINGTON DULLES INTL AP
- Station distance
- 4.7 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.