May weather forecast and climate
Cape Coral, FL

The tranquil setting of Cape Coral in Florida, with the calm sea out front and a view of the rest of the city
The tranquil setting of Cape Coral in Florida, with the calm sea out front and a view of the rest of the city

Weather in May

May, the last month of the spring, in Cape Coral, is another warm month, with average temperature ranging between max 84.7°F (29.3°C) and min 73°F (22.8°C).

Temperature

In Cape Coral, the average high-temperature in May is essentially the same as in April - a still warm 84.7°F (29.3°C). The average low-temperature,, is 73°F (22.8°C).

Heat index

The average heat index is estimated at a tropical 92.8°F (33.8°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Cape Coral, Florida, the average relative humidity is 72%.

Rainfall

In Cape Coral, Florida, in May, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 156.4 rainfall days, and 17.95" (456mm) of precipitation is accumulated.

Ocean temperature

In Cape Coral, Florida, the average seawater temperature in May is 79.3°F (26.3°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in Cape Coral is 13.5h.

Sunshine

In May, the average sunshine is 10.9h.

UV index

Months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in May in Cape Coral?

The average high-temperature, in May, is 84.7°F (29.3°C), while the average low-temperature is 73°F (22.8°C). 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, in May is estimated at 92.8°F (33.8°C).

What is the average humidity in May in Cape Coral?

In May, the average relative humidity is 72%.

How much does it rain in Cape Coral in May?

In Cape Coral, Florida, in May, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

What is the water temperature in May in Cape Coral?

In Cape Coral, Florida, the average seawater temperature in May is 79.3°F (26.3°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.

How many hours of daylight does Cape Coral have in May?

In Cape Coral, the average length of the day in May is 13.5h.

How many hours of sunshine does Cape Coral have in May?

The average sunshine in May in Cape Coral is 10.9h.

What are the months with the highest UV index in Cape Coral?

Months with the highest UV index are May through September, with an average maximum UV index of 7.

How high is the UV index in May in Cape Coral?

In May, the average daily maximum UV index in Cape Coral, Florida, is 7. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Cape Coral, FL

Average temperature in May - Cape Coral, FL
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (70.7°F).

  • Average low temperature in May: 73°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 (57.7°F).

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Average pressure in May
Cape Coral, FL

Average pressure in May - Cape Coral, FL
  • Average pressure in May: 30"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is September (29.95").

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Average wind speed in May
Cape Coral, FL

Average wind speed in May - Cape Coral, FL
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is October (8.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in May
Cape Coral, FL

Average humidity in May - Cape Coral, FL
  • Average humidity in May: 72%

Months with the highest relative humidity are September and December (76%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in May
Cape Coral, FL

Average rainfall in May - Cape Coral, FL
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are February and March (0.43").

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Average rainfall days in May
Cape Coral, FL

Average rainfall days in May - Cape Coral, FL
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (6.2 days).

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Average sea temperature in May
Cape Coral, FL

Average sea temperature in May - Cape Coral, FL
  • Average sea temperature in May: 79.4°F

The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is January (67°F).

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Average daylight in May /
Average sunshine in May
Cape Coral, FL

Average daylight in May / Average sunshine in May - Cape Coral, FL
  • Average daylight in May: 13.5h

The month with the longest days is June (Average daylight: 13.8h).
The month with the shortest days is December (Average daylight: 10.5h).

  • Average sunshine in May: 10.9h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in May
Cape Coral, FL

Average sunshine days in May - Cape Coral, FL
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5.3 days).

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Average UV index in May
Cape Coral, FL

Average UV index in May - Cape Coral, FL
  • Average UV index in May: 7

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).

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Average cloud cover in May
Cape Coral, FL

Average cloud cover in May - Cape Coral, FL
  • Average cloud cover in May: 24

The month with the most cloud cover is January (Cloud cover 29).
Months with the least cloud cover are March and May (Cloud cover 24).

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Average visibility in May
Cape Coral, FL

Average visibility in May - Cape Coral, FL
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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