May weather forecast
Naples, FL

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Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation
Magnificent white sandy shores of Naples in Florida, USA, complete with a view of the city structure and plantation

Weather in May

The arrival of May in Naples marks the beginning of the pre-summer phase with hot and humid conditions. The days grow longer providing sizeable daylight hours for outdoor exploration. This month records the most drastic increase in rainfall, reaching a significant 2.09". The bright, sunny days are further amplified by the continually warming sea water. The inherent humidity and rainfall in May make it a notable time for witnessing Florida's tropical climate.

Temperature

The introduction of May notes a subtle temperature variation to a still moderately hot 84.4°F from April's 81°F. In Naples, the May nights cool down to an average low of 74.1°F.

Heat index

In May, the average heat index is computed to be a tropical 93.2°F. Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 2.09" of precipitation is accumulated. Throughout the year, in Naples, there are 162.1 rainfall days, and 21.69" of precipitation is accumulated.

Ocean temperature

In Naples, Florida, in May, the average water temperature is 80.1°F.
Note: Water surface temperatures from 77°F to 84.2°F are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

In Naples, the average length of the day in May is 13h and 26min.
On the first day of May, sunrise is at 6:49 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:14 pm EDT.

Sunshine

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

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Naples. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
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FAQ

How hot is it in Naples in May?

Naples in May has an average high-temperature of 84.4°F and an average low-temperature of 74.1°F. In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 93.2°F.

What is the average humidity in May in Naples?

In May, the average relative humidity is 73%.

How much does it rain in Naples in May?

In May, the rain falls for 15.3 days. Throughout May, 2.09" of precipitation is accumulated.

How warm is the water in May in Naples?

In Naples, the average seawater temperature in May is 80.1°F. For swimming, diving, and other water activities, temperatures between 77°F and 84.2°F are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Naples have in May?

The average day length in May is 13h and 26min.

When are sunrise and sunset in May in Naples?

In May, on the first day of the month, sunrise is at 6:49 am and sunset at 7:58 pm. On the last day of the month, in Naples, Florida, sunrise is at 6:35 am and sunset at 8:14 pm EDT.

What are the months with the most sunshine in Naples?

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

How long on average sun shines in May in Naples?

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

When is the highest UV index in Naples?

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

What is the UV index intensity in May in Naples?

In May, the average daily maximum UV index in Naples, Florida, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Naples, FL

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).

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Average pressure in May
Naples, FL

Average pressure in May - Naples, FL
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

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Average wind speed in May
Naples, FL

Average wind speed in May - Naples, FL
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in May
Naples, FL

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%).

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Average rainfall in May
Naples, FL

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 least rainfall) is March (0.63").

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Average rainfall days in May
Naples, FL

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 least rainy days is February (7 days).

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Average sea temperature in May
Naples, FL

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).

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Average daylight in May /
Average sunshine in May
Naples, FL

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in May
Naples, FL

Average sunshine days in May - Naples, FL
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in May
Naples, FL

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

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

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Average cloud cover in May
Naples, FL

Average cloud cover in May - Naples, FL
  • Average cloud cover in May: 23

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

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Average visibility in May
Naples, FL

Average visibility in May - Naples, 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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Naples, Florida, USA

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