Hakodate weather in January 2026

Q: How warm is it in Hakodate in January?

Daytime temperatures usually reach 10°C in Hakodate in January, falling to 0°C at night.

Q: How sunny is it in Hakodate in January?

There are normally 6 hours of bright sunshine each day in Hakodate in January - that's 59% of daylight hours.

Q: How warm is the sea around Hakodate in January?

The average sea temperature around Hakodate in January is 15°C.

Q: Does it rain in Hakodate in January?

There are usually 9 days with some rain in Hakodate in January and the average monthly rainfall is 43mm.

Expect daytime maximum temperatures of 0°C in Hakodate, Japan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 28 days with some rainfall and typically 80 mm of rainfall in the month, which might fall as snow.

0
0°C max day temperature
3
3 hours of sunshine per day
28
28 days with some rainfall
-7
-7°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
80
80 mm of monthly rainfall
1
1 (Low) UV index
6
6°C sea temperature

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The January weather guide for Japan (Hakodate) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)