May weather forecast
Longboat Key, FL

Share

Weather in May

May, the last month of the spring in Longboat Key, is another warm month, with an average temperature varying between 72.7°F and 84.2°F.

Temperature

May is marked by an average high-temperature of a still moderately hot 84.2°F, almost identical to the preceding month. Longboat Key's nighttime temperature during May is consistently averaged at an agreeable 72.7°F.

Heat index

During May, the heat index is estimated at a hot 91.4°F. Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

March through May, with an average relative humidity of 72%, are the least humid months in Longboat Key.

Rainfall

In Longboat Key, during May, the rain falls for 15.1 days and regularly aggregates up to 2.56" of precipitation. Throughout the year, in Longboat Key, there are 183.1 rainfall days, and 34.92" of precipitation is accumulated.

Ocean temperature

In Longboat Key, in May, the average water temperature is 78.4°F.
Note: For activities such as swimming and diving, temperatures between 77°F and 84.2°F are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In May, the average length of the day is 13h and 31min.
On the first day of the month, sunrise is at 6:51 am and sunset at 8:04 pm. On the last day of May, in Longboat Key, sunrise is at 6:35 am and sunset at 8:20 pm EDT.

Sunshine

May has the most sunshine of the year in Longboat Key, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Longboat Key are May through September, with an average maximum UV index of 7. 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: During May, 7 as the daily maximum UV index converts into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
[Resources]

FAQ

How hot is May in Longboat Key?

The average high-temperature and low-temperature in Longboat Key during May are 84.2°F and 72.7°F respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in May is estimated at 91.4°F.

What are the least humid months in Longboat Key?

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

What is the average humidity in May in Longboat Key?

In May, the average relative humidity is 72%.

How much does it rain in Longboat Key in May?

In Longboat Key, during May, the rain falls for 15.1 days and regularly aggregates up to 2.56" of precipitation.

What is the water temperature in May in Longboat Key?

In May, the average ocean temperature is 78.4°F. Water temperature between 77°F and 84.2°F is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Longboat Key have in May?

In May, the average day length in Longboat Key, Florida, is 13h and 31min.

What time are sunrise and sunset in May in Longboat Key?

In May, on the first day of the month, sunrise is at 6:51 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:20 pm EDT.

What month has the most sunshine in Longboat Key?

The month with the most sunshine in Longboat Key, Florida, is May, with an average of 11.1h of sunshine.

How long on average sun shines in May in Longboat Key?

In May, the average sunshine duration in Longboat Key is 11.1h.

What is the month with the highest UV index in Longboat Key?

The months with the highest UV index in Longboat Key are May through September, with an average maximum UV index of 7.

What is the UV index intensity in May in Longboat Key?

In Longboat Key, Florida, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Longboat Key, FL

Average temperature in May - Longboat Key, FL
  • Average high temperature in May: 84.2°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 May: 72.7°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).

[Resources]

Average pressure in May
Longboat Key, FL

Average pressure in May - Longboat Key, FL
  • Average pressure in May: 30"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).

[Resources]

Average wind speed in May
Longboat Key, FL

Average wind speed in May - Longboat Key, FL
  • Average wind speed in May: 8mph

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).

[Resources]

Average humidity in May
Longboat Key, FL

Average humidity in May - Longboat Key, FL
  • Average humidity in May: 72%

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

[Resources]

Average rainfall in May
Longboat Key, FL

Average rainfall in May - Longboat Key, FL
  • Average rainfall in May: 2.56"

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

[Resources]

Average rainfall days in May
Longboat Key, FL

Average rainfall days in May - Longboat Key, FL
  • Average rainfall days in May: 15.1 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).

[Resources]

Average sea temperature in May
Longboat Key, FL

Average sea temperature in May - Longboat Key, FL
  • Average sea temperature in May: 78.4°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).

[Resources]

Average daylight in May /
Average sunshine in May
Longboat Key, FL

Average daylight in May / Average sunshine in May - Longboat Key, FL
  • Average daylight in May: 13h and 3min

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 24min).

  • Average sunshine in May: 11h and 1min

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).

[Resources]

Average sunshine days in May
Longboat Key, FL

Average sunshine days in May - Longboat Key, FL
  • Average sunshine days in May: 14 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).

[Resources]

Average UV index in May
Longboat Key, FL

Average UV index in May - Longboat Key, FL
  • Average UV index in May: 7

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).

[Resources]

Average cloud cover in May
Longboat Key, FL

Average cloud cover in May - Longboat Key, FL
  • Average cloud cover in May: 22

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).

[Resources]

Average visibility in May
Longboat Key, FL

Average visibility in May - Longboat Key, FL
  • Average visibility in May: 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).

[Resources]

Longboat Key, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location