Duck Key weather in April 2020

28
28°C max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
18
18°C min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
60
60 mm of monthly rainfall
11
11 (Extreme) UV index
25
25°C sea temperature

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

The April 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.

Virgin Holidays: Special offers on Florida holidays

Sale

Save on holidays to Florida with the latest special offers
Book holidays to Miami or the theme parks of Orlando
Plus the Florida Keys or the beach on the Gulf or Atlantic coast

Go to Virgin Holidays deal >>

View all Virgin Holidays offers

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

Guide to Duck Key weather in April

The average maximum daytime temperature in Duck Key in April is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 18°C (64°F). There are usually 10 hours of bright sunshine each day, which represents 82% of the 13 hours of daylight.

Expect 60mm (2.4 inches) of rainfall across the whole of April with 4 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Duck Key in April is 25°C (77°F).