Kosai Weather in January

What's the weather like in Kosai (Shizuoka) in January 2023?

The climate in Kosai during January can be summarized as cool and reasonably dry.

January is in the winter in Kosai and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 2°C (35°F) is normal.

Kosai weather averages (imperial / metric)
Daytime temperature 9.5°C 49°F
Nightly temperature 1.6°C 34.8°F
Average temperature 5.5°C 41.9°F
Daily sunshine 6.6 hrs
Avg rainfall 53 mm 2.1 ins
Rainy days 11 days
Sea temperature 17.8°C 64°F
Humidity 60%
Windspeed 15.1kph 9 mph

On average January is the 2nd driest month of the year in Kosai with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.6 hours of sunshine per day.

January temperatures in Kosai

Kosai average temperature in January

January rainfall

Kosai average rain in January

January hourly sunshine

Kosai average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kosai in January 2022.

Other monthly averages

Best places to visit in January

UV index Best time to go?

Kosai weather stats

Kosai weather statistics
Hottest month: August 30.6°C 87.1°F
Driest month: December 51mm 2ins
Sunniest month: January 6.6hrs
Coldest month: January 9.3°C 48.7°F
Wettest month: June 255mm 10ins
Map showing location of Kosai (34.7184, 137.53175)

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