World sea water temperatures

Honshu water temperature in December

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Can you swim in Honshu in winter? In December sea water temperature throughout Honshu is not yet warm enough for swimming and does not exceed 20°C. Based on average water temperature observations over the past ten years, the warmest sea in Honshu in December was 18°C (in Atami), and the coldest water 9.7°C (in Aomori Shi). To find out the sea temperature today and in the coming days, go to Current sea temperature in Honshu

Honshu sea surface temp in December

Honshu cities and resorts with the values of the average water temperature in December in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

 
2024
2023
2022
2021
2020
14.8°C
14.8°C
15°C
14.4°C
15°C
15.8°C
15.6°C
15.7°C
15.4°C
16°C
13.9°C
13.9°C
13.9°C
13.5°C
13.8°C
14.6°C
15°C
15.2°C
14.8°C
14.9°C
11.1°C
11.8°C
11.4°C
11.9°C
10.9°C
18.6°C
17.4°C
18.3°C
17.6°C
18.4°C

Honshu water temperature by month

To find out what the water temperature was in Honshu any day over a period of the last ten years, select the month

Where is the warm sea water in December?

Want to know where the water temperature in December is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Where can you swim in Honshu in December?

Places with the warmest average sea water temperature in Honshu in December. Also indicated are the maximum and minimum temperatures in December for these locations based on observations over the past 10 years

AvrMinMax
Atami18°C14.6°C20.7°C
Akashi15.6°C12.1°C18.5°C
Amagasaki15.5°C11.3°C18.3°C
Aioi Shi15.2°C11.8°C18.2°C
Akita13.7°C11.1°C16.1°C

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  • Plage de Omi Maiko donant sur le Lac Biwa

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Other names for Honshu

Honshu Island

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Our report for Japan is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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