Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April brings an average high-temperature of a still warm 77.5°F (25.3°C), closely following the temperature pattern of March. Islamorada records a slight downturn to an average a still moderately hot 75°F (23.9°C) during the nights of April.Humidity
In Islamorada, the average relative humidity in April is 75%.Rainfall
In Islamorada, in April, during 13.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Islamorada, during the entire year, the rain falls for 190.1 days and collects up to 27.05" (687mm) of precipitation.Ocean temperature
In Islamorada, Florida, the average seawater temperature in April is 79°F (26.1°C).Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are considered superb and highly pleasant for water activities over extended periods.
Daylight
The average length of the day in April is 12h and 46min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:46 am and sunset at 7:52 pm EDT.
Sunshine
The average sunshine in April 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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 7 in April transforms into this advice:
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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be wary! Reflections from sand and water make UV radiation more intense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the water temperature in April?
What is the average length of the day in April in Islamorada?
When are sunrise and sunset in April?
How many hours of sunshine does Islamorada have in April?
What are the months with the highest UV index in Islamorada?
What is the UV index reading in April?
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).
Average pressure in April
Islamorada, 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
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).
Average humidity in April
Islamorada, FL
- Average humidity in April: 75%
The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).
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").
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).
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).
Average daylight in April /
Average sunshine in April
Islamorada, FL
- Average daylight in April: 12h and 5min
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 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
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).
Average UV index in April
Islamorada, 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
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).
Average visibility in April
Islamorada, 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).
Islamorada, Florida, USA
Weather forecast for your location
2. Allow the app to use your location