April weather forecastDuck Key, FL
April
Weather in April
April, like March, in Duck Key, Florida, is a moderately hot spring month, with temperature in the range of an average low of 75°F (23.9°C) and an average high of 77.4°F (25.2°C).Temperature
April's advent notes a subtle adjustment in average high-temperature to a still warm 77.4°F (25.2°C) from March. Duck Key marks an average drop to a still moderately hot 75°F (23.9°C) during nighttime in April, following the high of the day.Humidity
In April, the average relative humidity is 76%.Rainfall
In Duck Key, during April, the rain falls for 11.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Duck Key, during the entire year, the rain falls for 186.2 days and collects up to 24.45" (621mm) of precipitation.Ocean temperature
In Duck Key, the average seawater temperature in April is 79°F (26.1°C).Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
In April, the average length of the day in Duck Key is 12h and 45min.On the first day of April, sunrise is at 7:14 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:53 pm EDT.
Sunshine
The average sunshine in April is 9.9h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 7 in April translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Duck Key, FL
- Average high temperature in April: 77.4°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).
- Average low temperature in April: 75°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).
Average pressure in April
Duck Key, FL
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in April
Duck Key, FL
- Average wind speed in April: 12.7mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).
Average humidity in April
Duck Key, FL
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).
Average rainfall in April
Duck Key, FL
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in April
Duck Key, FL
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).
Average sea temperature in April
Duck Key, FL
- Average sea temperature in April: 78.9°F
The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).
Average daylight in April /
Average sunshine in April
Duck Key, FL
- Average daylight in April: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in April: 9h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in April
Duck Key, FL
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).
Average UV index in April
Duck Key, FL
- Average UV index in April: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in April
Duck Key, FL
- Average cloud cover in April: 23
The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in April
Duck Key, FL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
