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 temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 69.6°F (20.9°C).

Temperature

The shift from April to May introduces a subtle increase in the average high-temperature, moving from 75.6°F (24.2°C) to a still moderately hot 81.9°F (27.7°C). Upper Grand Lagoon, in the month of May, anticipates a consistent average low-temperature of 69.6°F (20.9°C).

Heat index

May's average heat index is computed to be a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are largely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Upper Grand Lagoon, 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. In Upper Grand Lagoon, Florida, during the entire year, the rain falls for 166.1 days and collects up to 35.83" (910mm) of precipitation.

Snowfall

February, April through December are months without snowfall.

Ocean temperature

In Upper 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

In Upper Grand Lagoon, Florida, 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

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

UV index

The months with the highest UV index in Upper Grand Lagoon are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 7 in May translates into this advice:
Take precautions against overexposure. Protection against sun damage is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on guard! The reflective nature of sand and water boosts UV exposure.
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Frequently asked questions

What is the average May temperature in Upper Grand Lagoon?

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

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

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

How much does it rain in Upper Grand Lagoon in May?

In Upper Grand Lagoon, in May, it is raining for 11.6 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow in Upper Grand Lagoon?

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

What is the water temperature in May in Upper Grand Lagoon?

In Upper Grand Lagoon, the average seawater temperature in May is 76.6°F (24.8°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.6°F (24.8°C).

What is the average length of the day in May in Upper Grand Lagoon?

In May, the average day length in Upper Grand Lagoon is 13h and 41min.

When is the sunrise / sunset in May in Upper 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, sunrise is at 5:41 am and sunset at 7:39 pm CDT.

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

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

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

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

What is the month with the highest UV index in Upper Grand Lagoon?

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

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

In May, the average daily maximum UV index in Upper Grand Lagoon, Florida, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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
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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Upper Grand Lagoon, Florida, USA

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