World sea water temperatures

Water temperature in Johnston Atoll in January

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Is it warm enough to swim in Johnston Atoll in January? Average water temperature in Johnston Atoll in January is 79.2°F and therefore suitable for comfortable swimming. The warmest sea in Johnston Atoll in January is 80.8°F, and the coldest is 77.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Johnston Atoll

Changes water temperature in Johnston Atoll in January 2025, 2024

To get an accurate forecast for the water temperature in Johnston Atoll for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Johnston Atoll, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 179.5°F79.9°F78.1°F80.6°F
January 279.5°F79.5°F78.4°F80.8°F
January 379.5°F79.5°F78.6°F80.6°F
January 479.5°F79.3°F78.3°F80.4°F
January 579.3°F79.3°F78.6°F80.1°F
January 679.7°F79.3°F78.4°F80.1°F
January 779.7°F79.5°F78.4°F79.7°F
January 879.7°F79.7°F79°F80.1°F
January 979.9°F79.7°F78.6°F79.9°F
January 1079.7°F79.2°F78.6°F79.9°F
January 1179.9°F79.2°F78.4°F80.1°F
January 1279.5°F79.2°F78.3°F79.9°F
January 1379.3°F79.2°F78.3°F80.1°F
January 1479.3°F78.8°F78.4°F80.2°F
January 1579.3°F78.8°F78.6°F79.9°F
Day 2025 2024 Min Max
January 1679.3°F78.6°F78.4°F80.1°F
January 1779.2°F78.8°F78.3°F79.9°F
January 1879.2°F79.2°F78.3°F79.9°F
January 1979.2°F79.5°F78.3°F80.2°F
January 2079.2°F79.3°F78.3°F79.7°F
January 2179.2°F79.9°F78.1°F79.9°F
January 2279.3°F79.7°F78.1°F79.7°F
January 2379.2°F79.9°F78.1°F79.9°F
January 2479°F80.1°F78.4°F80.1°F
January 2579.2°F79.7°F78.1°F79.7°F
January 2679°F79.7°F77.5°F79.9°F
January 2779°F79.9°F77.7°F79.9°F
January 2878.8°F80.1°F77.4°F80.1°F
January 2978.8°F79.9°F77.7°F79.9°F
January 3078.8°F80.1°F77.7°F80.1°F
January 3179°F80.6°F77.4°F80.6°F
Johnston Atoll water temp chart in January

Average water temperature in Johnston Atoll in January over a decade

20162017201820192020
79.2°F79°F78.4°F79°F79.9°F
20212022202320242025
79.7°F79.7°F79.7°F79.5°F79.3°F

Johnston Atoll water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in January?

Want to know where the water temperature in January 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 60°F
 Average temperature  Maximum temperature

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Our report for Johnston Atoll 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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