Weather in 日本 in 1月
Country-wide climate normals across 64 cities in 日本.
How Hot Is 日本 in 1月?
日本 experiences cool weather in January, with a wide regional spread: -5°C in Asahikawa and 19°C in Naha, capital Tokyo averaging the broader 8°C.
Sunshine in 日本 in 1月
Sun and cloud trade off across 日本 in January: Tokyo averages 3.1h of direct sun a day, with daylight from 6:50 am to 4:50 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 日本 In 1月?
Moderate rainfall defines 日本's January: Tokyo averages 75mm across 9 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is 日本 Humid In 1月?
日本 feels humid through January: 66% in Tokyo, 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 日本 In 1月
Gentle steady winds define 日本's January: Tokyo averages 19 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Does It Snow In 日本 In 1月?
Light snow occasionally falls across 日本 in January — averaging 1.4 days in Tokyo, 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 日本 In 1月
Cloudy skies dominate 日本 in January — 62% cover in Tokyo, 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.