Achi weather in December (Nagano, Japan)

How's the weather trend in Achi as December approaches? See what weather conditions to anticipate this month with our guide.

Temperatures

The month of December in Achi typically includes low temperatures and high snow/rainfall. During December, the winter season is in full swing. In the daytime, temperatures tend to hover near 7°C, cooling down at night to around -2°C.

Precipitation

Achi in December usually receives high snow/rainfall, averaging around 103 mm for the month. Take advantage of the driest month of the year with its minimal rain. This month experiences about 16 days of snow/rain according to historical data.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 172 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Achi. May, August and September typically offer the most optimal weather. In contrast, January, February, March, April, June, July, October, November and December tend to have less optimal conditions.

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

 

Achi, monthly averages in December

Min Temperature -2°C  

Max Temperature 7°C  

Chance of Rain 52%  

Precipitation 103 mm  

Rainy days 16 days  

Humidity 65% *  

Sunshine 172 hours *  

Percentage Sunshine 53% *  

* Data from: Nagoya, Japan (73 KM, 45 Miles).

Where to go in Japan in December

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

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

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.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Achi.

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 travel conditions. Find out where to go with our weather planner.