Weather in 長野 in 12月

Climate normals based on 10 years of historical data for 長野, 日本.

Average high

7°C

Average low

-2°C

Rainfall

131 mm

16 rainy days

Sunshine

1.8h/day

湿度

80%

How Hot Is 長野 in 12月?

December marks the slide toward winter in 長野 — expect 7°C days and -2°C nights.

December is dim in 長野 — sunrise doesn't come until 6:50 am and the sun sets early at 4:35 pm, leaving only about 1.8h of direct sun on a typical day.

長野 sees heavy December rains — 131mm in 16 days, well above the annual average.

Tropical-style humidity defines 長野's December: 80% on average, with constant mugginess.

Expect winter conditions: 長野 sees snow on around 6.7 days in December.

Air stays mostly still in 長野: 10 kph on average in December.

Cloudy skies dominate 長野 in December — averaging 73% cloud cover.