Duck Key weather in May 2021

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  • 30°C maximum daytime temperature in May in Duck Key30
    30°C max day temperature
  • 11 hours of sunshine per day
  • 9 days with some rainfall in May in Duck Key9
    9 days with some rainfall
  • 21°C minimum night-time temperature in May in Duck Key21
    21°C min night temperature
  • 13 hours of daylight per day in May in Duck Key13
    13 hours of daylight per day
  • High heat & humidity in May in Duck KeyH
    High heat & humidity
  • 145 mm monthly rainfall in May in Duck Key145
    145 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Duck Key11
    11 (Extreme) UV index
  • 27°C sea temperature in May in Duck Key27
    27°C sea temperature
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The May weather guide for Duck Key, Florida shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Duck Key in May?

Daytime temperatures usually reach 30°C in Duck Key in May with high heat and humidity, falling to 21°C at night.

How sunny is it in Duck Key in May?

There are normally 11 hours of bright sunshine each day in Duck Key in May - that's 79% of daylight hours.

How warm is the sea around Duck Key in May?

The average sea temperature around Duck Key in May is 27°C.

Does it rain in Duck Key in May?

There are usually 9 days with some rain in Duck Key in May and the average monthly rainfall is 145mm.

Duck Key sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Duck Key in May 2021. Select a month to view Duck Key sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 06:48 19:54
Sunday, 16th May 2021 06:39 20:01
Monday, 31st May 2021 06:34 20:09
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Florida in May for 2021/2022?

Below are average maximum temperatures at popular destinations in Florida in May. Select a destination to see more weather parameters.

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