Water temperature in Virginia Key (FL) in January

Is it warm enough to swim in Virginia Key in January? Average water temperature in Virginia Key in January is 76.1°F and therefore suitable for comfortable swimming. The warmest sea in Virginia Key in January is 79.9°F, and the coldest is 71.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Virginia Key

Changes water temperature in Virginia Key in January 2026, 2025

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

Average water temperature in Virginia Key in January over a decade

Chart comparing the height of waves in Virginia Key in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

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

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Virginia Key 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.