Beach weather in Japan in January

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Visiting Japan in January

18°C (65°F) Air Temperature

22°C (72°F) Sea Temperature

4.8 Hrs of Sun / Day

17.4 Days of Rain

January has average maximum temperatures of 18°C (65°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 45.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day. January has total rainfall of 0.5cm (0.2inches) making it mostly dry with very rare light showers although there are 17.4 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much. It is not a good time for sunbathing in Japan. Sea temperatures are a warm 22°C (72°F). January is a good month for swimming in Japan with comfortable temperatures for most people.

Consider visiting Japan in the months of July, August, September, October, for the best beach weather.

Also consider one of our other suggestions for January.

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Can you sunbathe in Japan in January?

No, January is not a good time for sunbathing in Japan.

More about January temperature and sunshine.

Can you swim in Japan in January?

Yes, January is a good month for swimming in Japan with warm sea temperatures 22°C (72°F).

More about January sea temperatures.

Is January a good time to holiday in Japan?

Yes, January is a good time for a holiday in Japan.

More about the January temperatures and sunshine.

Is Japan warm in January?

Yes, Japan is not that warm but sunbathing may be possible on some clear days in January.

The average maximum temperature in Japan in January is 18°C (65°F). The average maximum temperature is 20°C (67°) in the previous month and 19°C (67°F) in the next month.

The average temperature in Japan in January is 16°C (61°F). The average temperature is 18°C (64°F) in the previous month and 17°C (63°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Japan in January?

The average day light hours per day in Japan in January are 10.7. The sunshine percentage is 45.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

More about January sunshine.

Temperature in Japan in January

The average maximum temperature in Japan in January is 18°C (65°F). The average maximum temperature is 20°C (67°F) in the previous month and 19°C (67°F) in the next month.

The average temperature in Japan in January is 16°C (61°F). The average temperature is 18°C (64°F) in the previous month and 17°C (63°F) in the next month.

The average minimum temperature in Japan in January is 14°C (57°F). The minimum temperature is 16°C (60°F) in the previous month and 15°C (59°F) in the next month.

Sunshine in Japan in January

During January the average day light hours are 10.7 per day in Japan. The sunshine percentage is 45.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

The ultraviolet index in Japan in January is typically 5.8 during January. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Japan in January

The average sea water temperature in Japan in January is 22.4°C (72.3°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Japan in January

The average total rainfall in Japan in January is 0.5cm (0.2inches) and on average there are 17.4 rainy days in January making it a wet time to visit the beach.

Humidity in Japan in January

The maximum dew point (an indicator of humidity) in Japan in January is 12°C (54°F) which is very comfortable. The dew point is 13°C (56°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Japan in January is typically 80.4%. The maximum relative humidity is 78.9% in the previous month and 82.8% in the next month.

The average relative humidity in Japan in January is typically 68.6%. The average relative humidity is 66.7% in the previous month and 71.6% in the next month.

Wind Speed in Japan in January

The average maximum wind speed in Japan in January is typically 28KM/H (17MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 28KM/H (17MPH) in the next month.

The average wind speed in Japan in January is typically 20KM/H (12MPH). The average wind speed is 20KM/H (13MPH) in the previous month and 20KM/H (12MPH) in the next month.

The average wind direction in Japan in January is from the East.

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