May weather forecast
Lower Grand Lagoon, FL

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Weather in May

May, the last month of the spring in Lower Grand Lagoon, is another warm month, with an average temperature varying between 69.6°F (20.9°C) and 81.9°F (27.7°C).

Temperature

Lower Grand Lagoon in May experiences a slight uptick in the average high-temperature, adjusting from April's 75.6°F (24.2°C) to a still warm 81.9°F (27.7°C). In Lower Grand Lagoon, May nights witness a steady temperature drop to a pleasant 69.6°F (20.9°C).

Heat index

Throughout May, the heat index is estimated at a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Lower Grand Lagoon, the average relative humidity in May is 73%.

Rainfall

In Lower Grand Lagoon, in May, during 11.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 166.1 rainfall days, and 35.83" (910mm) of precipitation is accumulated.

Snowfall

February, April through December are months without snowfall in Lower Grand Lagoon.

Ocean temperature

In Lower Grand Lagoon, the average seawater temperature in May is 76.6°F (24.8°C).
Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 76.6°F (24.8°C) waters. (As an aside, Olympic swimming standards dictate water temperatures from 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in May is 13h and 41min.
On the first day of May in Lower Grand Lagoon, sunrise is at 5:59 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:39 pm CDT.

Sunshine

May and June, with an average of 11.1h of sunshine, are months with the most sunshine in Lower Grand Lagoon.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during May, leads to the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! Sand and water reflections contribute to a stronger UV exposure.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Lower Grand Lagoon?

The high-temperature, in May, in Lower Grand Lagoon, is 81.9°F (27.7°C), while the low-temperature averages to 69.6°F (20.9°C). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in May in Lower Grand Lagoon?

In Lower Grand Lagoon, the average relative humidity in May is 73%.

How many days does it rain in May in Lower Grand Lagoon?

In May, the rain falls for 11.6 days. Throughout May, 1.81" (46mm) of precipitation is accumulated.

When it does not snow in Lower Grand Lagoon?

February, April through December are months without snowfall in Lower Grand Lagoon.

How warm is the water in May in Lower Grand Lagoon?

In Lower Grand Lagoon, the average seawater temperature in May is 76.6°F (24.8°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.6°F (24.8°C) water.

How many hours of daylight does Lower Grand Lagoon have in May?

The average day length in May is 13h and 41min.

When are sunrise and sunset in May in Lower Grand Lagoon?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:20 pm. On the last day of the month, in Lower Grand Lagoon, sunrise is at 5:42 am and sunset at 7:39 pm CDT.

What is the month with the most sunshine in Lower Grand Lagoon?

The months with the most sunshine are May and June, with an average of 11.1h of sunshine.

How long on average sun shines in May in Lower Grand Lagoon?

In Lower Grand Lagoon, Florida, the average sunshine duration in May is 11.1h.

When is the highest UV index in Lower Grand Lagoon?

The months with the highest UV index in Lower Grand Lagoon, Florida, are May through August, with an average maximum UV index of 7.

What is the UV index intensity in May in Lower Grand Lagoon?

The average daily maximum UV index in May in Lower Grand Lagoon, Florida, is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lower Grand Lagoon, FL

Average temperature in May - Lower Grand Lagoon, FL
  • Average high temperature in May: 81.9°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 (60.1°F).

  • Average low temperature in May: 69.6°F

The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

Average pressure in May
Lower Grand Lagoon, FL

Average pressure in May - Lower Grand Lagoon, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in May
Lower Grand Lagoon, FL

Average wind speed in May - Lower Grand Lagoon, FL
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Lower Grand Lagoon, FL

Average humidity in May - Lower Grand Lagoon, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Lower Grand Lagoon, FL

Average rainfall in May - Lower Grand Lagoon, FL
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is November (1.69").

Average rainfall days in May
Lower Grand Lagoon, FL

Average rainfall days in May - Lower Grand Lagoon, FL
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (7.9 days).

Average snowfall days in May
Lower Grand Lagoon, FL

Average snowfall days in May - Lower Grand Lagoon, FL
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in May
Lower Grand Lagoon, FL

Average sea temperature in May - Lower Grand Lagoon, FL
  • Average sea temperature in May: 76.5°F

The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (62.9°F).

Average daylight in May /
Average sunshine in May
Lower Grand Lagoon, FL

Average daylight in May / Average sunshine in May - Lower Grand Lagoon, FL
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are May and June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in May
Lower Grand Lagoon, FL

Average sunshine days in May - Lower Grand Lagoon, FL
  • Average sunshine days in May: 17.1 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (5.7 days).

Average UV index in May
Lower Grand Lagoon, FL

Average UV index in May - Lower Grand Lagoon, FL
  • Average UV index in May: 7

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

Average cloud cover in May
Lower Grand Lagoon, FL

Average cloud cover in May - Lower Grand Lagoon, FL
  • Average cloud cover in May: 22

The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are May and October (Cloud cover 22).

Average visibility in May
Lower Grand Lagoon, FL

Average visibility in May - Lower Grand Lagoon, 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).

Lower Grand Lagoon, Florida, USA

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