Key West Weather in March

March is one of the excellent months to visit Key West, with daytime temperatures of 26°C (79°F) and lows of 20°C (68°F) at night. It is also the driest month of the year.

Rainfall in Key West in March

The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. Past climate data indicates that roughly 7 days will see rain, totalling around 27 mm (1.1 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Key West in March

March is one of the better months to visit Key West. Expect 26°C (79°F) during the day and 20°C (68°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 20°C (68°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Key West in March

Expect a lot of sunshine this month, with about 310 hours of sun. These sunny conditions add to the overall experience.

Average water temperature in March

With water at 23°C (73°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Key West.