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Normal weather for Nagano in January

It's cold in January in Nagano with an average temperature of 4°C. Temperatures this month range from a low of 3°C to a high of 5°C. At night, you can expect temperatures between -5°C and -2°C.

In January, there is an average of 70 mm of precipitation, spread over 10 days. Of the total precipitation, about 83 cm falls as snow in January. The wind speed is around 3 Bft, mostly coming from the Southeast.

Nagano in January

London
Temperature Average Temperature
4°C 8°C
Sun High Temp
5°C 9°C
Sun Low Temp
3°C 6°C
Rain Total Precipitation
70 mm 58 mm
Rain Rainy Days
10 days 9 days
Snow Total Snowfall
83 cm 0,8 cm
Snow Snowy Days
26 days 1 day

Start of January

The month of January starts in Nagano with cold temperatures, averaging around 5°C during the day and nights close to -2°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Wear a thick winter coat, jumper, long trousers, hat, and gloves.

Mid-January

By mid-January, the average daytime temperature stays the same at 5°C, with nights close to -3°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Wear a thick winter coat, jumper, long trousers, hat, and gloves.

End of January

By the end of January, the average daytime temperature in Nagano will be around 5°C, with nights close to -3°C. A shower might show up, but overall the weather will be dry and sunny. Wear a thick winter coat, jumper, long trousers, hat, and gloves.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Temperature records for Nagano in January

With 12°C, Nagano hit the highest temperature in the last 10 years in January 2016. The lowest daytime temperature in this month was -5°C in 2023. The extreme night temperatures ranged from a low of -12°C to a high of 6°C.

Check out the climate of Nagano for all months and discover the best travel time

Curious about the climate in other parts of Japan? Check out the weather and climate in places like Tokyo, Kyōto, Osaka, or have a look at other destinations in Japan.

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Daily Temperature in January in Nagano

This chart shows the average daily temperatures, both day and night, for each day in January in Nagano, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in January in Nagano

Daily Precipitation in January in Nagano

The chart below shows the average daily precipitation in January for Nagano, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 10 days of rain in Nagano.

Daily Precipitation in January in Nagano

Daily Snowfall in January in Nagano

This chart shows the average daily snowfall in January in Nagano, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in January.

Daily Snowfall in January in Nagano

Daily UV Index in January in Nagano

This chart shows the average daily UV index in January in Nagano, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in January in Nagano

Temperature in January in Nagano Over the Years

This chart shows the average temperature in January in Nagano, measured in degrees Celsius, over the past years.

Temperature in January in Nagano Over the Years

Total Precipitation in January in Nagano Over the Years

This chart shows the average precipitation in January in Nagano, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in January in Nagano Over the Years

Snowfall in January in Nagano per year

This chart shows the average snowfall in January in Nagano, measured in centimetres, over the past years.

Snowfall in January in Nagano over the past years

Daily climate in January for Nagano

Click on a specific day in January for detailed info on the typical weather on that day in Nagano. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in January in Nagano

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Average Weather in Nagano by Month

Click on a month below to see detailed weather info for Nagano. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Nagano for all months at once

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