April weather forecast
Siesta Key, FL

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Weather in April

April, the same as March, is a moderately hot spring month in Siesta Key, Florida, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 80.2°F (26.8°C).

Temperature

In April, the meteorological conditions subtly change with the average high-temperature edging from a warm 74.1°F (23.4°C) in March to a still moderately hot 80.2°F (26.8°C). Siesta Key records a consistent low-temperature of 67.8°F (19.9°C) during April nights.

Humidity

The months with the lowest humidity are March through May, with an average relative humidity of 72%.

Rainfall

In Siesta Key, during April, the rain falls for 11.6 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Ocean temperature

In Siesta Key, in April, the average water temperature is 73.4°F (23°C).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 73.4°F (23°C) water can be delightful. (Olympic swimming is usually in 77°F (25°C) to 82.4°F (28°C) water.)

Daylight

The average length of the day in April is 12h and 50min.
On the first day of April in Siesta Key, sunrise is at 7:19 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:03 pm EDT.

Sunshine

The average sunshine in April is 9.5h.

UV index

In April, the average daily maximum UV index in Siesta Key is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during April translates into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
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Frequently asked questions

What are the temperatures in Siesta Key in April?

Siesta Key in April has an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 67.8°F (19.9°C).

What are the least humid months in Siesta Key?

The months with the lowest humidity in Siesta Key, Florida, are March through May, with an average relative humidity of 72%.

What is the average humidity in April in Siesta Key?

In Siesta Key, Florida, the average relative humidity in April is 72%.

How many days does it rain in April in Siesta Key?

In Siesta Key, in April, it is raining for 11.6 days, with typically 1.34" (34mm) of accumulated precipitation.

How warm is the water in April in Siesta Key?

In Siesta Key, Florida, in April, the average water temperature is 73.4°F (23°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 73.4°F (23°C).

How many hours of daylight does Siesta Key have in April?

The average day length in April in Siesta Key is 12h and 50min.

When are sunrise and sunset in April in Siesta Key?

In April, on the first day of the month, sunrise is at 7:19 am and sunset at 7:47 pm. On the last day of the month, in Siesta Key, Florida, sunrise is at 6:51 am and sunset at 8:03 pm EDT.

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

In April, the average sunshine duration is 9.5h.

How high is the UV index in April in Siesta Key?

In April, the average daily maximum UV index in Siesta Key is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Siesta Key, FL

Average temperature in April - Siesta Key, FL
  • Average high temperature in April: 80.2°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in April: 67.8°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

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Average pressure in April
Siesta Key, FL

Average pressure in April - Siesta Key, FL
  • Average pressure in April: 30.02"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in April
Siesta Key, FL

Average wind speed in April - Siesta Key, FL
  • Average wind speed in April: 8.7mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in April
Siesta Key, FL

Average humidity in April - Siesta Key, FL
  • Average humidity in April: 72%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).

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Average rainfall in April
Siesta Key, FL

Average rainfall in April - Siesta Key, FL
  • Average rainfall in April: 1.34"

The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").

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Average rainfall days in April
Siesta Key, FL

Average rainfall days in April - Siesta Key, FL
  • Average rainfall days in April: 11.6 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).

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Average sea temperature in April
Siesta Key, FL

Average sea temperature in April - Siesta Key, FL
  • Average sea temperature in April: 73.3°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

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Average daylight in April /
Average sunshine in April
Siesta Key, FL

Average daylight in April / Average sunshine in April - Siesta Key, FL
  • Average daylight in April: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in April: 9h and 3min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in April
Siesta Key, FL

Average sunshine days in April - Siesta Key, FL
  • Average sunshine days in April: 16.1 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).

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Average UV index in April
Siesta Key, FL

Average UV index in April - Siesta Key, FL
  • Average UV index in April: 6

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in April
Siesta Key, FL

Average cloud cover in April - Siesta Key, FL
  • Average cloud cover in April: 24

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).

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Average visibility in April
Siesta Key, FL

Average visibility in April - Siesta 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).

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Siesta Key, Florida, USA

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