Key Largo weather in May 2021

Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.

  • 30°C maximum daytime temperature in May in Key Largo30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in May in Key Largo10
    10 days with some rainfall
  • 21°C minimum night-time temperature in May in Key Largo21
    21°C min night temperature
  • 13 hours of daylight per day in May in Key Largo13
    13 hours of daylight per day
  • High heat & humidity in May in Key LargoH
    High heat & humidity
  • 168 mm monthly rainfall in May in Key Largo168
    168 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Key Largo11
    11 (Extreme) UV index
  • 27°C sea temperature in May in Key Largo27
    27°C sea temperature

Recommended for Florida

  • Top deals & discounts
  • Key Largo weather overview
  • Key Largo climate averages by month
  • More destinations
  • Best time to go to Key Largo
  • Key Largo 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for Key Largo, 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.

  • Save EXTRA 10% on 3-5* hotels worldwide with Priceline
  • Discount available on Pay Now & Express Deal Hotels
  • Book hotels for 2 nights or more. Not combinable
Show discount codeShow discount code ******020

Expires at 23:59 on Monday 30th Nov 2020 · View all Priceline offers

PricelineHotel deal finder

How hot is it in Key Largo in May?

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

How sunny is it in Key Largo in May?

There are normally 10 hours of bright sunshine each day in Key Largo in May - that's 73% of daylight hours.

How warm is the sea around Key Largo in May?

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

Does it rain in Key Largo in May?

There are usually 10 days with some rain in Key Largo in May and the average monthly rainfall is 168mm.

Key Largo sunrise & sunset times for May 2021

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 06:46 19:52
Sunday, 16th May 2021 06:37 20:00
Monday, 31st May 2021 06:32 20:07
  • Save EXTRA 10% on 3-5* hotels worldwide with Priceline
  • Discount available on Pay Now & Express Deal Hotels
  • Book hotels for 2 nights or more. Not combinable
Show discount codeShow discount code ******020

Expires at 23:59 on Monday 30th Nov 2020 · View all Priceline offers

PricelineHotel deal finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Florida

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.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.