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Key West Weather in March

Averages By Month

March Overview


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. The average sea temperature amounts to about 73°F (23°C), allowing wonderful days at the beach.


The weather in March is perfect for live music, art exhibitions, and gourmet cuisine! On offer is the Florida Keys Island Fest, this festival transforms the Founders Park into a magical destination. To celebrate spring, the event takes place on two days in March, featuring a variety of about 100 different artists. If you can’t get enough of Key West’s food, you should also not miss out on the Marathon Seafood Festival, which takes place in March as well. The two-day event showcases all kinds of seafood typical for Key West, including lobster tails, stone crabs, fish, shrimps, and more. Paired with live music entertainment, souvenir booths, games for children and adults and other activities like a boat show, the festival will surely stick in your memory!


High and Low Temperature in March °F

Water Temperature in March °F

Current Weather Key West

88°F scattered clouds
Local Time

Hourly 10 Days

Averages Key West

  J F M A M J J A S O N D

High °F

76° 77° 80° 83° 86° 89° 90° 91° 89° 86° 81° 78°

Low °F

66° 67° 69° 73° 76° 79° 81° 81° 79° 77° 72° 68°

Sun

8 9 10 11 11 11 11 10 9 8 8 8

Rain days

7 5 5 5 8 11 12 15 16 12 6 6

Water °F

71° 71° 73° 78° 81° 83° 86° 87° 86° 83° 78° 75°


Key West Weather by Month

Best Time to Visit Key West

As the area of Key West is characterized by traits of tropical climates, air and water temperatures remain typically warm throughout the whole year. However, the amount of rainfall shows significant monthly variations: From May through October, rainy days are very common with an average temperature of 84°F (29°C). This is the wet season. In the dry season however, days only have minimal rain but a lot of sunny and dry weather. The average temperature is slightly less than in the wet season at  74°F (23°C). Yet the range of monthly temperature averages only amounts to 15°F (8°C), implying that there are hardly any variations in temperature throughout the year. Taking the hurricane season into account as well, which occurs from June to November, the best time to pay a visit to Key West is from December to April. Accordingly, Key West has its highest visitor count in the months of December and January. During fall however, the numbers of visitors are at a minimum.

Days in Key West during the wet season (May through October) are characterized by rain and humidity. Heavy showers, especially during morning time, shortly followed by strong sunlight are typical. Precipitation reaches a peak in August through October being additionally affected by hurricanes and tropical thunderstorms at times. Visiting Key West during these months, rapidly changing weather conditions have to be expected.

Dry season (November through April) brings a lot of sunny days with low precipitation levels to Key West. Due to the dry climate, the average precipitation amounts to only 40 mm per year, causing Key West to be the driest place within Florida. While low rainfall is favorable for visits, the temperature at this time of the year can be somewhat cooler than in summer.

Due to changeable weather situations, it is highly recommended to keep an eye on local weather reports during your journey in Key West particularly to avoid major storms during hurricane season.

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