April weather forecast and climate
Islamorada, FL

Weather in April

April, like March, in Islamorada, Florida, is another warm spring month, with average temperature varying between 77.5°F (25.3°C) and 75°F (23.9°C).

Temperature

In Islamorada, the average high-temperature is essentially the same as in March - a still warm 77.5°F (25.3°C). In Islamorada, the average low-temperature is 75°F (23.9°C).

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Islamorada, in April, it is raining for 13.3 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Islamorada, there are 190.1 rainfall days, and 27.05" (687mm) of precipitation is accumulated.

Ocean temperature

In April, the average ocean temperature in Islamorada is 79°F (26.1°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

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

Sunshine

In April, the average sunshine is 9.9h.

UV index

April through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in April in Islamorada?

In April, in Islamorada, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 75°F (23.9°C).

What is the average humidity in April in Islamorada?

The average relative humidity in April in Islamorada, Florida, is 75%.

How many days does it rain in April in Islamorada?

In April, in Islamorada, the rain falls for 13.3 days. Throughout April, 1.26" (32mm) of precipitation is accumulated.

How warm is the water in April in Islamorada?

In April, the average ocean temperature in Islamorada, Florida, is 79°F (26.1°C). 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.

What is the average length of the day in April in Islamorada?

In April, the average length of the day in Islamorada, Florida, is 12.8h.

How long on average sun shines in April in Islamorada?

In April, the average sunshine in Islamorada, Florida, is 9.9h.

When is the highest UV index in Islamorada?

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

What is the UV index reading in April in Islamorada?

In April, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Islamorada, FL

Average temperature in April - Islamorada, FL
  • Average high temperature in April: 77.5°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 (72.7°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 (66.9°F).

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Average pressure in April
Islamorada, FL

Average pressure in April - Islamorada, 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").

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Average wind speed in April
Islamorada, FL

Average wind speed in April - Islamorada, FL
  • Average wind speed in April: 12.4mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in April
Islamorada, FL

Average humidity in April - Islamorada, FL
  • Average humidity in April: 75%

Months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in April
Islamorada, FL

Average rainfall in April - Islamorada, FL
  • Average rainfall in April: 1.26"

The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").

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Average rainfall days in April
Islamorada, FL

Average rainfall days in April - Islamorada, FL
  • Average rainfall days in April: 13.3 days

The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).

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Average sea temperature in April
Islamorada, FL

Average sea temperature in April - Islamorada, 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).

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Average daylight in April /
Average sunshine in April
Islamorada, FL

Average daylight in April / Average sunshine in April - Islamorada, 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: 11h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in April
Islamorada, FL

Average sunshine days in April - Islamorada, FL
  • Average sunshine days in April: 14.1 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).

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Average UV index in April
Islamorada, FL

Average UV index in April - Islamorada, 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).

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Average cloud cover in April
Islamorada, FL

Average cloud cover in April - Islamorada, FL
  • Average cloud cover in April: 26

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).

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Average visibility in April
Islamorada, FL

Average visibility in April - Islamorada, 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).

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