Otari weather in December (Nagano, Japan)

Curious about the December weather in Otari? This guide provides all the details you need.

In December, Otari typically experiences low temperatures and heavy snow/rainfall. December is a winter month. Daytime temperatures hover around 4°C, while nights can cool down to about -4°C. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.

Otari in December falls under the rainy season with heavy snow/rainfall, averaging around 238 mm for the month. Based on our climate data of the past 30 years, about 23 days of snow/rain are anticipated.

The city usually sees around 86 hours of sunlight, indicating fewer sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days typically offer the most optimal weather. In contrast, tend to have less optimal conditions.

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

 

Otari, monthly averages in December

Min TemperatureMin Temperature -4°C  
Max TemperatureMax Temperature 4°C  
Chance of RainChance of Rain 77%  
PrecipitationPrecipitation 238 mm  
Rainy daysRainy days 23 days  
SunshineSunshine 86 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Hakuba, Japan (10 KM, 6 Miles).

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.

Map not visible? Whoops sorry! Please refresh the page.
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 Otari 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
3/10
Walking
3/10
Camping
1/10
Outdoor sports
3/10

Interested in more climate information?

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

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.