Temperature in Nagano Prefecture in December

Daytime highs, nighttime lows and the warmest cities in Nagano Prefecture, Japan this December.

Nagano Prefecture, Japan, a region in Japan, experiences low average maximum daytime temperatures in December, ranging from 2°C (36°F) in Omachi to 7°C (45°F) in Achi. Nighttime temperatures generally drop to -2°C (28°F) in Achi and -7°C (19°F) in Omachi. The month of December is in the winter season.

What is the temperature of the different cities in Nagano Prefecture, Japan in December?

Explore the map below to discover average December temperatures at the top destinations in Nagano Prefecture. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Nagano Prefecture, check out our Nagano Prefecture's climate page.

See also: Nagano Prefecture weather by month.

Best Places to Visit in Nagano Prefecture in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Nagano Prefecture.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

Nagano Prefecture temperatures in December: frequently asked questions

How hot does it get in Nagano Prefecture, Japan in December?

Daytime temperatures in Hakuba typically peak at 3°C (37°F) in December, putting it in the low range.

How cold does it get at night in Nagano Prefecture, Japan in December?

After dark, Hakuba cools to about -5°C (23°F) on an average December night.

What is the warmest city in December in Nagano Prefecture, Japan?

According to our recent database analysis, Achi is the warmest city. It experiences an average maximum daytime temperature of approximately 7°C (45°F) and rarely drops below -2°C (28°F) during the night.

What is the coldest city in December in Nagano Prefecture, Japan?

In our database, Omachi is the chilliest city in December in Nagano Prefecture, Japan. Daytime temperatures typically peak at 2°C (36°F), while the nighttime lows hover around -7°C (19°F).

How much sun does Nagano Prefecture, Japan get in December?

Hakuba experiences limited sunny days, amounting to roughly 86 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Interested in more climate information?

We have much more information about the climate in Nagano Prefecture.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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