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Key West weather in May (Florida, United States of America)

How does the May weather in Key West compare to other months? Check out this detailed guide to the month’s weather conditions.

Temperatures

Typically, May in Key West includes high temperatures and moderate rainfall. Expect temperatures to climb to 30°C during the day, with nighttime readings dropping to 25°C. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

Precipitation

Key West in May usually receives moderate rainfall, averaging around 63 mm for the month. Expect around 9 days of rain based on historical data.

Average sunshine

With around 341 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

In case you lean more towards enjoying temperate temperatures and rain-free days January, February, March, April, November and December typically offer the most optimal weather. In contrast, July, August, September and October tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Key West climate page with graphs.

 

Key West, monthly averages in May

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 27°C  
Chance of RainChance of Rain 31%  
PrecipitationPrecipitation 63 mm  
Rainy daysRainy days 9 days  
HumidityHumidity 72%  
SunshineSunshine 341 hours  
Percentage SunshinePercentage Sunshine 82%  

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
9/10
Cycling
8/10
Walking
8/10
Camping
8/10
Outdoor sports
8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Key West.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.