Joetsu weather in December (Niigata Prefecture, Japan)

Planning a trip to Joetsu in December? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In December, Joetsu generally has low temperatures and heavy rainfall. December is a winter month. Anticipate daytime temperatures around 9°C, while night temperatures can drop to 2°C.

Joetsu in December falls under the rainy season with heavy rainfall, averaging around 246 mm for the month. Based on our climate data of the past 30 years, about 26 days of rain are anticipated.

The area experiences limited sunny days, amounting to roughly 79 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Joetsu. May, June and October typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Joetsu climate page with graphs.

 

Joetsu, monthly averages in December

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 9°C  
Chance of RainChance of Rain 88%  
PrecipitationPrecipitation 246 mm  
Rainy daysRainy days 26 days  
HumidityHumidity 76%  
SunshineSunshine 79 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Japan in December

Find out more about the weather in Japan in December and which places have the best weather conditions in this month.

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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).

So, what should you wear in Joetsu in December?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
4/10
Cycling
4/10
Walking
4/10
Camping
3/10
Outdoor sports
4/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Joetsu.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find 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 climate conditions. Find out where to go with our weather planner.