May weather forecast
Upper Grand Lagoon, FL

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Weather in May

May, the last month of the spring in Upper 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

Upper Grand Lagoon in May observes a minor temperature shift, with average high-temperatures adjusting from 75.6°F (24.2°C) in April to a still moderately hot 81.9°F (27.7°C). Upper Grand Lagoon experiences an average nighttime temperature of 69.6°F (20.9°C) in the month of May.

Heat index

May's average heat index is evaluated at a tropical 86°F (30°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The average relative humidity in May is 73%.

Rainfall

In May, in Upper Grand Lagoon, the rain falls for 11.6 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Upper Grand Lagoon, Florida, there are 166.1 rainfall days, and 35.83" (910mm) of precipitation is accumulated.

Snowfall

In Upper Grand Lagoon, snow does not fall in February, April through December.

Ocean temperature

In May, the average ocean temperature 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

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

UV index

May through August, 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 risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, an average UV index of 7 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! Sand and water reflections can notably increase the UV radiation intensity.

Frequently asked questions

What is the average May temperature in Upper Grand Lagoon?

An average high-temperature, in May, in Upper Grand Lagoon, is 81.9°F (27.7°C) and the average low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in May is evaluated at 86°F (30°C).

What is the average humidity in May?

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

How many days does it rain in May?

In Upper Grand Lagoon, during May, the rain falls for 11.6 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow?

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

How warm is the water in May?

In Upper Grand Lagoon, the average seawater temperature in May is 76.6°F (24.8°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.6°F (24.8°C) water may be enjoyable.

What is the average length of the day in May?

In May, the average day length is 13h and 41min.

What time are sunrise and sunset in May?

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, sunrise is at 5:41 am and sunset at 7:39 pm CDT.

What are the months with the most sunshine?

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

How many hours of sunshine does Upper Grand Lagoon have in May?

The average sunshine duration in May is 11.1h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

How high is the UV index in May?

The average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
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
Upper Grand Lagoon, FL

Average temperature in May - Upper 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
Upper Grand Lagoon, FL

Average pressure in May - Upper 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
Upper Grand Lagoon, FL

Average wind speed in May - Upper 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
Upper Grand Lagoon, FL

Average humidity in May - Upper 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
Upper Grand Lagoon, FL

Average rainfall in May - Upper 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
Upper Grand Lagoon, FL

Average rainfall days in May - Upper 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
Upper Grand Lagoon, FL

Average snowfall days in May - Upper 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
Upper Grand Lagoon, FL

Average sea temperature in May - Upper 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
Upper Grand Lagoon, FL

Average daylight in May / Average sunshine in May - Upper 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
Upper Grand Lagoon, FL

Average sunshine days in May - Upper 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
Upper Grand Lagoon, FL

Average UV index in May - Upper 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
Upper Grand Lagoon, FL

Average cloud cover in May - Upper 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
Upper Grand Lagoon, FL

Average visibility in May - Upper 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).

Upper Grand Lagoon, Florida, USA

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