May weather forecast
Stock Island, FL

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Weather in May

The last month of the spring, May, is another warm month in Stock Island, Florida, with an average temperature fluctuating between 77.9°F (25.5°C) and 80.2°F (26.8°C).

Temperature

Stock Island, Florida, registers an average high-temperature of a still warm 80.2°F (26.8°C) at the commencement of May, closely related to the preceding month. Stock Island's nocturnal average in May closely mirrors its daytime temperatures, settling at a still warm 77.9°F (25.5°C).

Humidity

In Stock Island, the average relative humidity in May is 77%.

Rainfall

In Stock Island, during May, the rain falls for 16.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Stock Island, during the entire year, the rain falls for 199.2 days and collects up to 31.61" (803mm) of precipitation.

Ocean temperature

In May, the average ocean temperature in Stock Island is 80.8°F (27.1°C).
Note: Water temperature ranging from 77°F (25°C) to 84.2°F (29°C) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

In May, the average length of the day is 13h and 20min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of May, sunrise is at 6:37 am and sunset at 8:11 pm EDT.

Sunshine

In Stock Island, the average sunshine in May is 10.9h.

UV index

The months with the highest UV index in Stock Island are April through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

What is the temperature in May in Stock Island?

In May, the average high-temperature and low-temperature in Stock Island are 80.2°F (26.8°C) and 77.9°F (25.5°C) respectively.

What is the average humidity in May in Stock Island?

In Stock Island, the average relative humidity in May is 77%.

How much does it rain in Stock Island in May?

In May, in Stock Island, the rain falls for 16.5 days. Throughout May, 3.5" (89mm) of precipitation is accumulated.

How warm is the water in May in Stock Island?

In Stock Island, Florida, the average seawater temperature in May is 80.8°F (27.1°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Stock Island?

In Stock Island, Florida, the average day length in May is 13h and 20min.

When are sunrise and sunset in May in Stock Island?

In May, on the first day of the month, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of the month, in Stock Island, sunrise is at 6:37 am and sunset at 8:11 pm EDT.

How many hours of sunshine does Stock Island have in May?

The average sunshine duration in May in Stock Island, Florida, is 10.9h.

When is the highest UV index in Stock Island?

The months with the highest UV index in Stock Island, Florida, are April through October, with an average maximum UV index of 7.

What is the UV index intensity in May in Stock Island?

In May, the average daily maximum UV index in Stock Island is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in May
Stock Island, FL

Average temperature in May - Stock Island, FL
  • Average high temperature in May: 80.2°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).

  • Average low temperature in May: 77.9°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).

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Average pressure in May
Stock Island, FL

Average pressure in May - Stock Island, FL
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).

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Average wind speed in May
Stock Island, FL

Average wind speed in May - Stock Island, FL
  • Average wind speed in May: 12.2mph

The windiest months (with the highest average wind speed) are January and November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).

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Average humidity in May
Stock Island, FL

Average humidity in May - Stock Island, FL
  • Average humidity in May: 77%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in May
Stock Island, FL

Average rainfall in May - Stock Island, FL
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is September (5.12").
The driest month (with the least rainfall) is March (0.67").

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Average rainfall days in May
Stock Island, FL

Average rainfall days in May - Stock Island, FL
  • Average rainfall days in May: 16.5 days

The months with the highest number of rainy days are August and September (23.1 days).
The month with the least rainy days is February (11 days).

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Average sea temperature in May
Stock Island, FL

Average sea temperature in May - Stock Island, FL
  • Average sea temperature in May: 80.7°F

The best month for swimming (with the highest average sea temperature) is August (86.9°F).
The coldest months (with the lowest average sea temperature) are January and February (71.2°F).

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Average daylight in May /
Average sunshine in May
Stock Island, FL

Average daylight in May / Average sunshine in May - Stock Island, FL
  • Average daylight in May: 13h and 2min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in May
Stock Island, FL

Average sunshine days in May - Stock Island, FL
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is March (17 days).
The month with the least sunshine days is September (4.5 days).

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Average UV index in May
Stock Island, FL

Average UV index in May - Stock Island, FL
  • Average UV index in May: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in May
Stock Island, FL

Average cloud cover in May - Stock Island, FL
  • Average cloud cover in May: 26

The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).

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Average visibility in May
Stock Island, FL

Average visibility in May - Stock Island, 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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Stock Island, Florida, USA

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