May weather forecast
Clearwater, FL

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The skyline and cityscape of Clearwater Beach in Florida
The skyline and cityscape of Clearwater Beach in Florida

Weather in May

May marks the doorstep of summer in Clearwater, Florida; bright and sunny days bring the city to lively chatter, thriving on the energy of the rising temperatures. The sunshine score increases dramatically, differed by an equally dramatic escalation in frequencies of rains. The natural harmony of pleasant winds, visibility, and suitable humidity adds a tint of comfort to the developing heat. The rise in sea temperature reaches to an inviting 78.2°F (25.7°C), attracting sea lovers. The longer than usual daylight hours provide extended opportunities for visitors to enjoy the beautiful city landscapes, earning May the exalted status of a tourist-friendly month.

Temperature

Clearwater ushers in May with an average high-temperature of a still warm 82°F (27.8°C), showing a close resemblance to the previous month. May nights cool to an average low-temperature of 73°F (22.8°C), a marginal decrease from its daytime equivalent.

Heat index

The heat index in May is evaluated at a hot 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

In May, the rain falls for 11.8 days. Throughout May, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 149.9 rainfall days, and 16.18" (411mm) of precipitation is accumulated.

Ocean temperature

In May, the average ocean temperature is 78.1°F (25.6°C).
Note: Swimming, diving, and similar water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

The average length of the day in May is 13h and 32min.
On the first day of May, sunrise is at 6:50 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:22 pm EDT.

Sunshine

With an average of 11.3h of sunshine, May has the most sunshine of the year.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Clearwater in May?

In Clearwater, in May, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in May is evaluated at 87.8°F (31°C).

What is the average humidity in May?

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

How much does it rain in May?

In Clearwater, in May, it is raining for 11.8 days, with typically 0.91" (23mm) of accumulated precipitation.

How warm is the water in May in Clearwater?

In May, the average ocean temperature is 78.1°F (25.6°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 Clearwater have in May?

In May, the average day length is 13h and 32min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:50 am and sunset at 8:05 pm. On the last day of the month, in Clearwater, sunrise is at 6:35 am and sunset at 8:22 pm EDT.

What month has the most sunshine?

May has the most sunshine of the year, with an average of 11.3h of sunshine.

How long on average sun shines in May?

In Clearwater, the average sunshine duration in May is 11.3h.

What are the months with the highest UV index?

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

How high is the UV index in May?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Clearwater, FL

Average temperature in May - Clearwater, FL
  • Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (65.8°F).

  • Average low temperature in May: 73°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (55.9°F).

Average pressure in May
Clearwater, FL

Average pressure in May - Clearwater, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in May
Clearwater, FL

Average wind speed in May - Clearwater, FL
  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and March (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in May
Clearwater, FL

Average humidity in May - Clearwater, 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 (72%).

Average rainfall in May
Clearwater, FL

Average rainfall in May - Clearwater, FL
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is March (0.39").

Average rainfall days in May
Clearwater, FL

Average rainfall days in May - Clearwater, FL
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is February (6.7 days).

Average sea temperature in May
Clearwater, FL

Average sea temperature in May - Clearwater, FL
  • Average sea temperature in May: 78.2°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

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

Average daylight in May / Average sunshine in May - Clearwater, FL
  • Average daylight in May: 13h and 3min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 11h and 2min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in May
Clearwater, FL

Average sunshine days in May - Clearwater, FL
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5 days).

Average UV index in May
Clearwater, FL

Average UV index in May - Clearwater, 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 month with the lowest UV index is January (UV index 4).

Average cloud cover in May
Clearwater, FL

Average cloud cover in May - Clearwater, FL
  • Average cloud cover in May: 20

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in May
Clearwater, FL

Average visibility in May - Clearwater, 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).

Clearwater, Florida, USA

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