Weather in 日本 in 12月
Country-wide climate normals across 64 cities in 日本.
How Hot Is 日本 in 12月?
日本's December weather is cool nationally, but ranges sharply: from -3°C in the colder regions to 21°C in the warmer ones.
Sunshine in 日本 in 12月
日本's December brings mixed skies — Tokyo averages 3.0h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 6:40 am and 4:30 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In 日本 In 12月?
Moderate rainfall defines 日本's December: Tokyo averages 82mm 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 12月?
Mugginess defines 日本's December: humidity averages 66% in Tokyo, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In 日本 In 12月
Gentle steady winds define 日本's December: Tokyo averages 18 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Does It Snow In 日本 In 12月?
Light snow occasionally falls across 日本 in December — averaging 1.0 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 12月
日本 sees mostly cloudy weather through December: Tokyo averages 62% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.