April weather forecast and climate
Duck Key, FL

April, like March, in Duck Key, Florida, is a moderately hot spring month, with average temperature ranging between min 75°F (23.9°C) and max 77.4°F (25.2°C).

Temperature

In April, the average high-temperature is almost the same as in March - a still moderately hot 77.4°F (25.2°C). In Duck Key, the average low-temperature is 75°F (23.9°C).

Humidity

In April, the average relative humidity in Duck Key is 76%.

Rainfall

In April, in Duck Key, the rain falls for 11.8 days. Throughout April, 1.1" (28mm) of precipitation is accumulated. 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 April, the average ocean temperature in Duck Key is 79°F (26.1°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Duck Key, Florida, the average length of the day is 12.8h.

Sunshine

In April, the average sunshine in Duck Key is 9.9h.

UV index

Months with the highest UV index in Duck Key, Florida, are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in April in Duck Key?

In April, in Duck Key, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 75°F (23.9°C).

What is the average humidity in April in Duck Key?

The average relative humidity in April in Duck Key is 76%.

How much does it rain in Duck Key in April?

In April, in Duck Key, Florida, the rain falls for 11.8 days. Throughout April, 1.1" (28mm) of precipitation is accumulated.

What is the ocean temperature in April in Duck Key?

In Duck Key, in April, the average water temperature is 79°F (26.1°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in April in Duck Key?

The average length of the day in April is 12.8h.

How long on average sun shines in April in Duck Key?

The average sunshine in April in Duck Key is 9.9h.

What are the months with the highest UV index in Duck Key?

Months with the highest UV index in Duck Key are April through October, with an average maximum UV index of 7.

What is the UV index intensity in April in Duck Key?

In April, the average daily maximum UV index in Duck Key, Florida, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
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"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are September and October (29.94").

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%

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: 12.8h

The month with the longest days is June (Average daylight: 13.7h).
The month with the shortest days is December (Average daylight: 10.6h).

  • Average sunshine in April: 9.9h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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

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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).