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Temperatures in December
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Nagano temperatures in December

Nagano is a region in Japan. In December the average maximum daytime temperatures are low and range from 2°C in Omachi to 7°C in Achi. Nighttime temperatures generally drop to -2°C in Achi and -7°C in Omachi. In December, it is winter.

What is the temperature of the different cities in Nagano in December?

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

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in December in Nagano?
    • According to our recent database analysis, Achi is the warmest city. It experiences an average maximum daytime temperature of approximately 7°C and rarely drops below -2°C during the night.

  • What is the coldest city in December in Nagano?
    • According to our data, Omachi holds the title for the coldest city in Nagano in December. It experiences maximum temperatures of approximately 2°C and drops to lows of about -7°C during the night.

  • How much sun does Nagano 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

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