Sea Temperature in Hiroshima in January

Complete information on the sea temperature range in the Seto Inland Sea in Hiroshima in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Hiroshima. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Hiroshima in January

50°F

MINIMUN

55°F

AVERAGE

61°F

MAXIMUM

Historical Data of Water Temperature in January in Hiroshima

Water Temperature Chart for Seto Inland Sea in Hiroshima in January

Sea Temperature Table in Hiroshima in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	59°C	59°C	59°C	59°C
Jan 2	61°C	59°C	59°C	59°C
Jan 3	59°C	59°C	59°C	59°C
Jan 4	59°C	59°C	59°C	59°C
Jan 5	59°C	59°C	59°C	59°C
Jan 6	59°C	57°C	57°C	58°C
Jan 7	57°C	57°C	57°C	57°C
Jan 8	57°C	57°C	57°C	57°C
Jan 9	59°C	57°C	57°C	57°C
Jan 10	57°C	57°C	57°C	57°C
Jan 11	57°C	57°C	57°C	57°C
Jan 12	57°C	55°C	55°C	56°C
Jan 13	57°C	55°C	55°C	56°C
Jan 14	57°C	55°C	55°C	56°C
Jan 15	57°C	55°C	55°C	56°C
Jan 16	57°C	55°C	55°C	56°C
Jan 17	57°C	55°C	55°C	56°C
Jan 18	57°C	54°C	54°C	55°C
Jan 19	55°C	54°C	54°C	55°C
Jan 20	55°C	54°C	54°C	54°C
Jan 21	57°C	54°C	54°C	55°C
Jan 22	57°C	54°C	54°C	55°C
Jan 23	57°C	54°C	54°C	55°C
Jan 24	57°C	52°C	52°C	54°C
Jan 25	57°C	52°C	52°C	54°C
Jan 26	55°C	52°C	52°C	53°C
Jan 27	55°C	52°C	52°C	53°C
Jan 28	55°C	52°C	52°C	53°C
Jan 29	55°C	52°C	52°C	53°C
Jan 30	55°C	50°C	50°C	52°C

Hiroshima Climate and Swimming Opportunities in January

48°F

Average Day Air Temperature

34°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

11 days

Number of Rainy Days

10 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

8 mph

Average Wind Speed

68%

Average
humidity

Hiroshima lies within the Hiroshima Prefecture in Japan. The average daytime temperature in Hiroshima in January is 9°C (48°F), while the nighttime average is 1°C (34°F). There are typically 11 rainy days during the month, with a total precipitation of 61 mm (2.4 inches). The daylight duration in January in Hiroshima is 10 hours, with an average of 4 hours of sunshine per day. The average wind speed in January is 13 km/h (8 mph), and the humidity level is around 68%.

The water temperature in Hiroshima in January ranges from 11°C to 15°C (52°F to 59°F). At the beginning of the month, the average temperature is around 15°C (59°F), shifting to 13°C (55°F) by mid-January and reaching 12°C (54°F) in the last ten days. Overall, the average sea temperature in Hiroshima for January is 13°C (55°F). The water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Hiroshima

What is the sea temperature in Hiroshima in January?

The water temperature in the Seto Inland Sea in Hiroshima in January ranges from 11°C to 15°C (52°F to 59°F).

Is it possible to swim in the Seto Inland Sea in Hiroshima in January?

The average sea temperature in Hiroshima in January is 13°C (55°F), and the air temperature is 9°C (48°F), so the water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.