Iwanai Weather in January

Iwanai in January sees very low daytime temperatures of -1°C (30°F) and nighttime lows of -7°C (19°F). Rainfall is fairly high this month at around 116 mm (4.6 in), so pack a rain jacket to stay dry.

Rainfall in Iwanai in January

Expect around 30 days of snow based on historical data, with 116 mm (4.6 in) average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Iwanai in January

If you're visiting Iwanai in January, expect highs of -1°C (30°F) and overnight lows around -7°C (19°F). January is part of winter. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -7°C (19°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.

Sunshine in Iwanai in January

The month has fewer sunny days, with around 93 hours of sunshine.

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

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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 Iwanai's climate page.

Iwanai Temperature in January

Min Temperature -7°C (19°F)  

Max Temperature -1°C (30°F)  

Chance of Rain 100%  

Precipitation 116 mm (4.6 in)  

Rainy days 30 days  

Humidity 70% *  

Sunshine 93 hours *  

Percentage Sunshine *  

* Data from: Sapporo, Japan (69 KM, 43 Miles).

What to Wear in Iwanai in January

We recommend you pack up your warm winter gear for Iwanai in January. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Iwanai in January

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

Swimming

1/10

Cycling

1/10

Walking

1/10

Camping

1/10

Outdoor sports

1/10

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 Iwanai's climate page.

More climate data for Iwanai

Temperature Rainfall Sunshine Humidity

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