April weather forecast
Dismal Key, FL

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Weather in April

April, like March, in Dismal Key, Florida, is a moderately hot spring month, with an average temperature fluctuating between 70.3°F (21.3°C) and 81°F (27.2°C).

Temperature

Dismal Key records an average high-temperature of a still moderately hot 81°F (27.2°C) as April arrives, nearly mirroring the previous month's climate. An average low-temperature of 70.3°F (21.3°C) is noted during the nights in April.

Heat index

For most parts of April, the heat index is evaluated at 84.2°F (29°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Dismal Key, the average relative humidity in April is 73%.

Rainfall

In April, in Dismal Key, the rain falls for 11.3 days. Throughout April, 0.71" (18mm) of precipitation is accumulated. In Dismal Key, during the entire year, the rain falls for 162.1 days and collects up to 21.69" (551mm) of precipitation.

Daylight

In Dismal Key, the average length of the day in April is 12h and 47min.
On the first day of April in Dismal Key, sunrise is at 7:16 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:57 pm EDT.

Sunshine

The average sunshine in April is 9.7h.

UV index

In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 6 during April, leads to the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Dismal Key in April?

An average high-temperature, in April, in Dismal Key, is 81°F (27.2°C) and the average low-temperature is 70.3°F (21.3°C). In April, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in April in Dismal Key?

The average relative humidity in April in Dismal Key, Florida, is 73%.

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

In Dismal Key, in April, during 11.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

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

The average day length in April in Dismal Key, Florida, is 12h and 47min.

What time are sunrise and sunset in April in Dismal Key?

In April, on the first day of the month, sunrise is at 7:16 am and sunset at 7:43 pm. On the last day of the month, in Dismal Key, Florida, sunrise is at 6:49 am and sunset at 7:57 pm EDT.

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

The average sunshine duration in April in Dismal Key, Florida, is 9.7h.

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

In Dismal Key, Florida, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Dismal Key, FL

Average temperature in April - Dismal Key, FL
  • Average high temperature in April: 81°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in April: 70.3°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

Average pressure in April
Dismal Key, FL

Average pressure in April - Dismal Key, FL
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

Average wind speed in April
Dismal Key, FL

Average wind speed in April - Dismal Key, FL
  • Average wind speed in April: 8.6mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in April
Dismal Key, FL

Average humidity in April - Dismal Key, FL
  • Average humidity in April: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

Average rainfall in April
Dismal Key, FL

Average rainfall in April - Dismal Key, FL
  • Average rainfall in April: 0.71"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

Average rainfall days in April
Dismal Key, FL

Average rainfall days in April - Dismal Key, FL
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

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

Average daylight in April / Average sunshine in April - Dismal Key, 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 4min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in April
Dismal Key, FL

Average sunshine days in April - Dismal Key, FL
  • Average sunshine days in April: 16.3 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

Average UV index in April
Dismal Key, FL

Average UV index in April - Dismal 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 months with the lowest UV index are January and February (UV index 5).

Average cloud cover in April
Dismal Key, FL

Average cloud cover in April - Dismal Key, FL
  • Average cloud cover in April: 22

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

Average visibility in April
Dismal Key, FL

Average visibility in April - Dismal 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).

Dismal Key, Florida, USA

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