Asahi Weather in December

In Asahi, December brings low daytime temperatures around 7°C (45°F), with nights cooling to 2°C (36°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Asahi in December

As part of the rainy season, Asahi sees around 27 days of rain in December, with an average of 266 mm (10 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Asahi in December

In December, expect low temperatures in Asahi, with highs of 7°C (45°F) and lows of 2°C (36°F) at night. December marks the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Asahi in December

With limited sunshine this month, there are about 71 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Asahi. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Asahi's climate page.

Asahi Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 89%  

Precipitation 266 mm (10 in)  

Rainy days 27 days  

Sunshine 71 hours *  

Percentage Sunshine *  

* Data from: Itoigawa, Japan (24 KM, 15 Miles).

What to Wear in Asahi in December

Dress warmly and in layers for your trip to Asahi 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Asahi in December

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

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 Asahi's climate page.

More climate data for Asahi

Temperature Rainfall Sunshine

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