ClimateForecastJanuaryFebruary >>

Nagano weather in January

Considering a trip to Nagano this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Nagano in January?

Nagano is a region in Japan. January in Nagano generally has temperatures that range from very cold to cold, with precipitation levels ranging from moderate to heavy. During January, winter is in full swing.

During the day temperatures vary from very cold in Omachi at -1°C to cold in Achi at 4°C. At night it cools down to -6°C in Achi and -9°C in Omachi. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

In January, precipitation varies across different areas. From moderate snow/rainfall in Saku with an average of 65 mm to heavy snow/rainfall in Otari with 243 mm. Most areas see fewer sunny days, with a projection of about 80 hours of sunshine in Hakuba. This reduced sunlight makes it ideal for those who prefer dimmer, overcast conditions over bright sunny days.

For specific regional insights in Nagano for January, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Nagano climate page.

Where to go in Nagano in January

Find more information for the most popular destinations in the Nagano on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in January for the 5 most popular destinations in Nagano?

Hakuba

In January Hakuba generally has very low temperatures with maximum daytime temperatures around 0°C, minimum nighttime temperatures around -7°C and heavy monthly snow/rainfall. So on average the conditions are poor that month.

Hakuba
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
3°C 
-5°C 
86 hours 
221 mm 
23 days 
poor 
0°C 
-7°C 
80 hours 
223 mm 
26 days 
poor 
1°C 
-7°C 
104 hours 
206 mm 
23 days 
poor 
Climate in Hakuba

Yamanouchi

In January Yamanouchi generally has very low temperatures with maximum daytime temperatures around 2°C, minimum nighttime temperatures around -7°C and high monthly snow/rainfall. So on average the conditions are poor that month.

Yamanouchi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
5°C 
-4°C 
137 hours 
129 mm 
21 days 
poor 
2°C 
-7°C 
128 hours 
144 mm 
24 days 
poor 
3°C 
-6°C 
130 hours 
133 mm 
22 days 
poor 
Climate in Yamanouchi

Matsumoto

In January Matsumoto generally has low temperatures with maximum daytime temperatures around 2°C, minimum nighttime temperatures around -8°C and high monthly snow/rainfall. So on average the conditions are poor that month.

Matsumoto
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
5°C 
-5°C 
137 hours 
119 mm 
17 days 
poor 
2°C 
-8°C 
128 hours 
121 mm 
19 days 
poor 
3°C 
-7°C 
130 hours 
126 mm 
18 days 
poor 
Climate in Matsumoto

Nozawa Onsen

In January Nozawa Onsen generally has low temperatures with maximum daytime temperatures around 3°C, minimum nighttime temperatures around -5°C and heavy monthly snow/rainfall. So on average the conditions are poor that month.

Nozawa Onsen
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
6°C 
-3°C 
79 hours 
189 mm 
22 days 
poor 
3°C 
-5°C 
67 hours 
206 mm 
25 days 
poor 
4°C 
-5°C 
81 hours 
177 mm 
23 days 
poor 
Climate in Nozawa Onsen

Karuizawa

In January Karuizawa generally has low temperatures with maximum daytime temperatures around 4°C, minimum nighttime temperatures around -5°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Karuizawa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
7°C 
-2°C 
137 hours 
63 mm 
15 days 
poor 
4°C 
-5°C 
128 hours 
74 mm 
18 days 
poor 
5°C 
-5°C 
130 hours 
82 mm 
17 days 
poor 
Climate in Karuizawa

Is your destination not in the list? Have a look at other destinations in Nagano, in Japan.

Is January the best time to visit Nagano?

In our view, January might not be the best time to travel to Nagano with often poor weather in Hakuba.

On average, the best time to visit Nagano is in with generally poor weather in Hakuba.

Interested in more climate information?

We have much more information about the climate in Nagano. Interested in the weather conditions in a specific month? Select the month below.

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