Niihama Sea Temperature in January

Looking to find out what the average sea water temperature in Niihama is for January? Find out what the lowest, highest, and average water temperatures are for Niihama over the past 10 years.

Average water temperature in Niihama for January

The average, high, and low temperatures below should help you if you can swim in the water in Niihama in January.

12.52° C

(54.53° F)

  • highest: 16.4° C (61.52° F)
  • lowest: 9.57° C (49.23° F)

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a very big risk.

Water temperature range by day in January in Niihama

The chart below shows the range of low and high temperatures by day for the month of January in Niihama.

Water temperatures for January in Niihama in recent years

Day 2024 2023 2022 2021
1 14.42° C 14.05° C 12.4° C 16.4° C
2 14.45° C 13.92° C 12.22° C 16.24° C
3 14.54° C 13.89° C 12.14° C 15.93° C
4 14.29° C 13.64° C 12.13° C 15.5° C
5 14.18° C 13.21° C 12.07° C 15.1° C
6 14° C 14.04° C 11.91° C 14.83° C
7 13.75° C 14.11° C 11.94° C 14.37° C
8 13.54° C 13.25° C 11.6° C 13.95° C
9 13.48° C 12.91° C 11.59° C 13.58° C
10 13.36° C 12.81° C 11.55° C 13.12° C
11 13.27° C 12.57° C 11.66° C 13.02° C
12 13.31° C 12.7° C 11.64° C 12.69° C
13 13.32° C 12.62° C 11.69° C 12.26° C
14 13.22° C 12.03° C 11.65° C 12.32° C
15 13.32° C 12.46° C 11.63° C 12.32° C
16 13.28° C 12.48° C 11.54° C 12.36° C
17 12.99° C 12.15° C 11.4° C 12.48° C
18 12.87° C 12.09° C 11.41° C 12.38° C
19 12.93° C 12.07° C 11.37° C 12.23° C
20 13.01° C 11.9° C 11.33° C 12.16° C
21 13.1° C 12.04° C 11.23° C 12.09° C
22 13.03° C 12.33° C 11.07° C 12.12° C
23 12.97° C 13.19° C 10.95° C 12.13° C
24 12.84° C 12.15° C 10.71° C 12.31° C
25 12.79° C 12° C 10.49° C 12.83° C
26 12.93° C 11.62° C 10.45° C 12.54° C
27 12.63° C 11.36° C 10.38° C 12.26° C
28 12.53° C 11.4° C 10.41° C 12.2° C
29 12.59° C 11.14° C 10.25° C 12.22° C
30 12.99° C 11.12° C 10.17° C 12.27° C
31 13.27° C 11.05° C 10.12° C 12.3° C

Water temperature in January for locations near Niihama

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Niihama comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

  • "Niihama Sea Temperature in January". SeaTemperatures.net. Accessed on May 5, 2024. http://seatemperatures.net/asia/japan/niihama-january-temperature/.

  • "Niihama Sea Temperature in January". SeaTemperatures.net, http://seatemperatures.net/asia/japan/niihama-january-temperature/. Accessed 5 May, 2024

  • Niihama Sea Temperature in January. SeaTemperatures.net. Retrieved from http://seatemperatures.net/asia/japan/niihama-january-temperature/.