JapanThe weather in January in Nagano
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.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Nagano, Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 12°C in 2016, Nagano reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -5°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -12°C to a highest value of 6°C.
Precipitation and snowfall
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.
Daily weather in January for Nagano
Click on any day in January to get detailed info about the usual weather on that day in Nagano. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Nagano | New York | |
|---|---|---|
| Average temperature | 4°C | 5°C |
| Max. temperature | 5°C | 11°C |
| Min. temperature | -5°C | -5°C |
| Total precipitation | 70 mm | 97 mm |
| Rainy days | 10 days | 12 days |
| Total snowfall | 83 cm | 16 cm |
| Snowy days | 26 days | 8 days |
Start of January
The month of January starts in Nagano with cold temps, averaging around 5°C during the day and nights around -2°C.
Mid January
By mid-January, daytime temps stay steady at around 5°C, with nights around -3°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Nagano is around 5°C, while nighttime temps are about -3°C. A shower might pop up, but overall, the weather will be dry and sunny.
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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.
Check out the climate of Nagano for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.
Temperature charts
These charts show the average temperatures in January in Nagano, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Nagano
Temperature in January in Nagano over the years
Precipitation charts
These charts show the average amount of precipitation in January in Nagano, Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Nagano
Total precipitation in January in Nagano over the years
Daily Snowfall in January in Nagano
Snowfall in January in Nagano per year
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.
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.