Weather in USA in décembre
Country-wide climate normals across 27 cities in USA.
How Hot Is USA in décembre?
Geographic spread shapes USA's December: mild 13°C nationally, with colder pockets at 4°C and warmer corners at 25°C.
Sunshine in USA in décembre
Variable weather dominates USA in December: 3.5h of direct sun on a typical day in New York City, with daylight from 7:10 am to 4:30 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In USA In décembre?
USA sees moderate rainfall in December — New York City averages 91mm across 8 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's December weather mixes sunny stretches with regular shower spells.
Is USA Humid In décembre?
USA feels humid through December: 67% in New York City, similar nationwide. Warm days feel several degrees hotter than the thermometer suggests, and morning mist or post-rain steam is common. Drier upland or interior regions may feel a bit less oppressive.
Wind In USA In décembre
Light breezes are typical across USA in December: 19 kph in New York City, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Does It Snow In USA In décembre?
Light snow occasionally falls across USA in December — averaging 0.6 days in New York City, with higher elevations seeing more. Coastal and southern regions may see none at all, while inland and mountain areas catch most of the snow. The pattern is brief and patchy rather than sustained.
Cloud Cover In USA In décembre
Cloudy skies dominate USA in December — 58% cover in New York City, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.