Temperature in Nagano Prefecture in January

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

Nagano Prefecture, Japan, a region in Japan, experiences maximum daytime temperatures in January ranging from -1°C (30°F) in Omachi to 4°C (39°F) in Achi. Nighttime temperatures generally drop to -6°C (21°F) in Achi and -9°C (16°F) in Omachi. The month of January is in the winter season. On average, it is one of the coldest months of the year.

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

Discover the typical January temperatures for the most popular locations of Nagano Prefecture on the map below. Detailed insights are just a click away.

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 January

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 January: blue is cold, red is hot.

See all January weather averages, cities and regions in Nagano Prefecture

Nagano Prefecture temperatures in January: frequently asked questions

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

Average daytime highs in Nagano Prefecture, Japan during January reach about 0°C (32°F) in Hakuba.

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

After dark, Hakuba cools to about -7°C (19°F) on an average January night.

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

From a thorough analysis of our records, Achi clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 4°C (39°F), and evenings that remain near -6°C (21°F).

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

In our database, Omachi is the chilliest city in January in Nagano Prefecture, Japan. Daytime temperatures typically peak at -1°C (30°F), while the nighttime lows hover around -9°C (16°F).

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

Across Nagano Prefecture, Japan, sunshine in January ranges from overcast in Hakuba (80 hours) to moderately sunny in Nagano (128 hours).

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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