Weather in Japan in december
Country-wide climate normals across 64 cities in Japan.
How Hot Is Japan in december?
Cool conditions dominate Japan with strong regional contrast — sub--3°C in Asahikawa, milder 21°C in Naha.
Sunshine in Japan in december
Japan'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 Japan In december?
Typical December rainfall covers Japan: about 82mm in Tokyo across 9 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 Japan Humid In december?
Japan's December is humid — 66% on average in Tokyo, 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 Japan In december
Japan's December has gentle wind — Tokyo averages 18 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Does It Snow In Japan In december?
Light snow occasionally falls across Japan 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 Japan In december
Japan 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.