Naples
Florida, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Naples, FL

Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
Magnificent aerial view of the white sandy shores of Naples in Florida, complete with a view of the city structure and plantation
The last month of the spring, May, is also a moderately hot month in Naples, Florida, with average temperature varying between 74.1°F (23.4°C) and 84.4°F (29.1°C).

Temperature

In May, the average high-temperature is relatively the same as in April - a still warm 84.4°F (29.1°C). The average low-temperature, in May, is 74.1°F (23.4°C).

Heat index

The average heat index is evaluated at a hot 92.3°F (33.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the 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 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, clothing), 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Naples, the average relative humidity in May is 73%.

Rainfall

In Naples, during 15.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Ocean temperature

In Naples, the average seawater temperature is 80.1°F (26.7°C).
Note: 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.

Daylight

In Naples, the average length of the day is 13.4h.

Sunshine

Months with the most sunshine in Naples, Florida, are May and July, with an average of 11.1h of sunshine.

UV index

Months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in May in Naples?

In May, in Naples, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 74.1°F (23.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines both air temperature and relative humidity, in May is evaluated at 92.3°F (33.5°C).

What is the average humidity in May in Naples?

In Naples, the average relative humidity in May is 73%.

How much does it rain in Naples in May?

In Naples, during May, the rain falls for 15.3 days and regularly aggregates up to 2.09" (53mm) of precipitation.

How warm is the water in May in Naples?

In Naples, in May, the average water temperature is 80.1°F (26.7°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 Naples have in May?

In May, the average length of the day in Naples is 13.4h.

What is the month with the most sunshine in Naples?

May and July, with an average of 11.1h of sunshine, are months with the most sunshine in Naples, Florida.

How long on average sun shines in May in Naples?

In May, the average sunshine in Naples, Florida, is 11.1h.

What are the months with the highest UV index in Naples?

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 Naples?

The average daily maximum UV index in May in Naples, Florida, is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in May - Naples, FL
  • Average high temperature in May: 84.4°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 (71.6°F).

  • Average low temperature in May: 74.1°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

Average humidity in May - Naples, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

Average rainfall in May - Naples, FL
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the lowest rainfall) is March (0.63").

Average rainfall days in May - Naples, FL
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is August (22.4 days).
The month with the lowest number of rainy days is February (7 days).

Average sea temperature in May - Naples, FL
  • Average sea temperature in May: 79.9°F

The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (66.6°F).

Average daylight in May / Average sunshine in May - Naples, FL
  • Average daylight in May: 13.4h

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

  • Average sunshine in May: 11.1h

Months with most sunshine are May and July (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 6.7h).

Average UV index in May - Naples, FL
  • Average UV index in May: 7

Months with the highest UV index are May, June, July, August and September (UV index 7).
Months with the lowest UV index are January and February (UV index 5).