World sea water temperatures

Water temperature in Johnston Atoll in February

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Is it warm enough to swim in Johnston Atoll in February? Average water temperature in Johnston Atoll in February is 78.4°F and therefore suitable for comfortable swimming. The warmest sea in Johnston Atoll in February is 80.4°F, and the coldest is 77.2°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 February 2026, 2025

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 February.

You can choose any other years:

Year 1:   Year 2:


Day 2026 2025 Min Max
February 179.5°F79°F77.4°F80.4°F
February 2 79°F77.4°F80.2°F
February 3 79°F77.4°F79.9°F
February 4 78.6°F77.5°F79.5°F
February 5 78.4°F77.5°F79.5°F
February 6 78.6°F77.5°F79.5°F
February 7 78.6°F77.9°F79.3°F
February 8 78.3°F77.7°F79.5°F
February 9 78.4°F77.2°F79.3°F
February 10 78.6°F77.5°F79.3°F
February 11 78.6°F77.5°F79.3°F
February 12 78.4°F77.5°F79.5°F
February 13 78.6°F77.7°F79.3°F
February 14 78.6°F77.5°F79.3°F
February 15 78.8°F77.5°F79.3°F
Day 2026 2025 Min Max
February 16 78.8°F77.4°F79.7°F
February 17 79°F77.4°F79.2°F
February 18 79°F77.2°F79.7°F
February 19 79°F77.2°F79.5°F
February 20 79°F79°F79°F
February 21 79.2°F77.2°F79.2°F
February 22 79.2°F77.4°F79.3°F
February 23 79.3°F77.2°F79.5°F
February 24 79.3°F77.2°F79.3°F
February 25 79.5°F77.4°F79.5°F
February 26 79.2°F77.2°F79.3°F
February 27 79.5°F77.2°F79.5°F
February 28 79.2°F77.2°F79.3°F
Johnston Atoll water temp chart in February

Average water temperature in Johnston Atoll in February over a decade

20162017201820192020
78.3°F79°F78.3°F77.7°F78.6°F
20212022202320242025
79°F79.2°F78.4°F79.3°F78.8°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 February?

Want to know where the water temperature in February 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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