Shiojiri Weather in December

With daytime temperatures of 5°C (41°F) and nighttime lows of -5°C (23°F), December in Shiojiri brings low temperatures during the day. It is also the driest month of the year, with minimal snow/rainfall.

Rainfall in Shiojiri in December

Clear skies and little rain are the norm this month, even if it's not the warmest time of year. Still a good time to spend time outdoors. Expect around 17 days of snow/rain based on historical data, with 109 mm (4.3 in) average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Shiojiri in December

In December, Shiojiri gets low temperatures, with highs of 5°C (41°F). Nights cool to around -5°C (23°F). Winter occurs in December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.

Sunshine in Shiojiri in December

With about 137 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Shiojiri. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Japan, check out our Shiojiri's climate page.

Shiojiri Temperature in December

Min Temperature -5°C (23°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 56%  

Precipitation 109 mm (4.3 in)  

Rainy days 17 days  

Humidity 77% *  

Sunshine 137 hours *  

Percentage Sunshine *  

* Data from: Nagano, Japan (61 KM, 38 Miles).

What to Wear in Shiojiri in December

Dress warmly and in layers for your trip to Shiojiri in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Shiojiri in December

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

Swimming

5/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Shiojiri's climate page.

More climate data for Shiojiri

Temperature Rainfall Sunshine Humidity

See the full Shiojiri climate overview or explore weather in Japan.