Iwanai weather in December (Hokkaido, Japan)

What kind of weather does December bring to Iwanai? Get all the weather information you need to plan your visit.

Temperatures

The month of December in Iwanai typically includes very low temperatures and high snow/rainfall. Experience the winter season in December. As the day progresses, temperatures can peak at 1°C. Luckily at nightfall, they typically drop to -5°C. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.

Precipitation

Iwanai in December usually receives high snow/rainfall, averaging around 139 mm for the month. Climate data suggests that about 29 days will experience snow/rainfall.

Average sunshine

This month sees fewer sunny days, with about 87 hours of sunshine, perfect for those who enjoy cooler temperatures.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Iwanai. June, July, August and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Iwanai, monthly averages in December

Min Temperature -5°C  

Max Temperature 1°C  

Chance of Rain 96%  

Precipitation 139 mm  

Rainy days 29 days  

Humidity 71% *  

Sunshine 87 hours *  

Percentage Sunshine *  

* Data from: Sapporo, Japan (69 KM, 43 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

4/10

Cycling

2/10

Walking

2/10

Camping

1/10

Outdoor sports

2/10

Interested in more climate information?

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

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.