正確な天気予報世界中の都市向け. すべての国を見る.

天気.app
アジアの天気を見る → すべての大陸を閲覧
アフリカの天気を見る → すべての大陸を閲覧
ヨーロッパの天気を見る → すべての大陸を閲覧
メニュー

Weather in アメリカ in 1月

Country-wide climate normals across 27 cities in アメリカ.

Average high
11°C
Average low
3°C
Rainfall
81 mm
Sunshine
3.6h/day
湿度
67%
Range
0–23°C

How Hot Is アメリカ in 1月?

Cool conditions dominate アメリカ with strong regional contrast — sub-0°C in Chicago, milder 23°C in Miami.

Sunshine in アメリカ in 1月

Sun and cloud trade off across アメリカ in January: New York City averages 3.6h of direct sun a day, with daylight from 7:15 am to 4:55 pm. Conditions vary day to day, with bright spells interrupted by cloudy stretches. Most regions of the country see a similar mixed pattern, though some areas may lean drier or wetter than the national average.

Does It Rain In アメリカ In 1月?

Typical January rainfall covers アメリカ: about 81mm in New York City across 8 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.

Is アメリカ Humid In 1月?

アメリカ's January is humid — 67% on average in New York City, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.

Wind In アメリカ In 1月

Persistent breeze shapes アメリカ's January: 20 kph in New York City, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.

Does It Snow In アメリカ In 1月?

Light snow occasionally falls across アメリカ in January — averaging 1.2 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 アメリカ In 1月

アメリカ sees mostly cloudy weather through January: New York City averages 57% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.

Other months in アメリカ