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March Weather in Key West. Florida, United States. Daily high temperatures increase by 3°F, from 77°F to 80°F, rarely falling below 70°F or exceeding 84°F. Daily low temperatures increase by 3°F, from 68°F to 71°F, rarely falling below 60°F or exceeding 77°F. For reference, on August 6, the hottest day of the year, temperatures in Key ...
March Overview. High temperature: 80°F (27°C) Low temperature: 69°F (21°C) Hours daylight/sun: 10 hours. Water temperature: 73°F (23°C) In March, Key West has temperatures between 69°F (21°C) and 80°F (26°C). Around five days with rainfall and almost ten hours of sunshine per day contribute to pleasant weather conditions.
Dec 17, 2022 · And now we’re getting into the best time to visit Key West, especially later in March. Average temperatures float around a high of 78 degrees and a low of 68, with low humidity and sunny days. In Key West in March, you can break out your favorite swimsuit, load your best beach bag with cold drinks, and settle into a proper beach vacation.
The temperature rises nearly every day in March to over 70 degrees Fahrenheit (21 degrees Celsius) in Key West. Temperatures above 90 °F (32 °C) are not expected here this month. The thermometer dips to 60 °F (16 °C) or below on an average of three nights.
Temperature Graph. °F. 90° 84° 78° 72° 66° Mar. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31. Avg. Hi. Avg. Lo.
Average number of days monthly in Key West that stay above 50, 60 or 70 °F 50 °F 10 °C 60 °F 16 °C 70 °F 21 °C; January: 30: 24: 7: February: 28: 24: 9: March: 31: 28: 14: April: 30: 30: 22: May: 31: 31: 29: June: 30: 30: 30: July: 31: 31: 31: August: 31: 31: 31: September: 30: 30: 30: October: 31: 31: 30: November: 30: 29: 20: December ...
Key West in march: average Weather, Temperature and Climate. Best time to go to Key West? Weather in Key West in march 2025. The weather in Key West in march comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
