May weather forecast
Saint Pete Beach, FL

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Weather in May

May, the last month of the spring in Saint Pete Beach, is also a moderately hot month, with temperature in the range of an average low of 73.2°F (22.9°C) and an average high of 82.2°F (27.9°C).
The ideal ocean temperature of 78.1°F (25.6°C) and only 4.3 rainfall days, with 0.28" (7mm) of accumulated rainfall, makes May the best time for swimming and other water activities.

Temperature

Entering May in Saint Pete Beach, the average high-temperature is recorded at a still moderately hot 82.2°F (27.9°C), exhibiting a minimal shift from April's 77.7°F (25.4°C). Saint Pete Beach, during May nights, records a temperature marginally cooler than the daytime average, at a pleasant 73.2°F (22.9°C).

Heat index

The heat index value for May is appraised at a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

March, May and October, with an average relative humidity of 73%, are the least humid months in Saint Pete Beach.

Rainfall

In Saint Pete Beach, in May, during 4.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Saint Pete Beach, Florida, during the entire year, the rain falls for 60.4 days and collects up to 5.16" (131mm) of precipitation.

Ocean temperature

In Saint Pete Beach, in May, the average water temperature is 78.1°F (25.6°C).
Note: Water activities in surface temperatures between 77°F (25°C) and 84.2°F (29°C) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

The average length of the day in May in Saint Pete Beach is 13h and 32min.
On the first day of May in Saint Pete Beach, 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

The month with the most sunshine is May, with an average of 11.3h of sunshine.

UV index

The months with the highest UV index in Saint Pete Beach 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 unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 7 in May translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflecting off water and sand, UV rays are much stronger.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Saint Pete Beach in May?

The high-temperature, in May, in Saint Pete Beach, is 82.2°F (27.9°C), while the low-temperature averages to 73.2°F (22.9°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What are the least humid months in Saint Pete Beach?

The months with the lowest humidity in Saint Pete Beach, Florida, are March, May and October, with an average relative humidity of 73%.

What is the average humidity in May in Saint Pete Beach?

In Saint Pete Beach, Florida, the average relative humidity in May is 73%.

How many days does it rain in May in Saint Pete Beach?

In Saint Pete Beach, during May, the rain falls for 4.3 days and regularly aggregates up to 0.28" (7mm) of precipitation.

How warm is the water in May in Saint Pete Beach?

In Saint Pete Beach, in May, the average water temperature is 78.1°F (25.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in May in Saint Pete Beach?

In May, the average day length in Saint Pete Beach, Florida, is 13h and 32min.

When is the sunrise / sunset in May in Saint Pete Beach?

On the first day of May in Saint Pete Beach, Florida, 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.

What month has the most sunshine in Saint Pete Beach?

May has the most sunshine of the year in Saint Pete Beach, with an average of 11.3h of sunshine.

How long on average sun shines in May in Saint Pete Beach?

In Saint Pete Beach, Florida, the average sunshine duration in May is 11.3h.

What are the months with the highest UV index in Saint Pete Beach?

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 Saint Pete Beach?

The average daily maximum UV index in May in Saint Pete Beach is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saint Pete Beach, FL

Average temperature in May - Saint Pete Beach, FL
  • Average high temperature in May: 82.2°F

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (66.7°F).

  • Average low temperature in May: 73.2°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 (56.7°F).

Average pressure in May
Saint Pete Beach, FL

Average pressure in May - Saint Pete Beach, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in May
Saint Pete Beach, FL

Average wind speed in May - Saint Pete Beach, FL
  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and November (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in May
Saint Pete Beach, FL

Average humidity in May - Saint Pete Beach, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are March, May and October (73%).

Average rainfall in May
Saint Pete Beach, FL

Average rainfall in May - Saint Pete Beach, FL
  • Average rainfall in May: 0.28"

The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is March (0.08").

Average rainfall days in May
Saint Pete Beach, FL

Average rainfall days in May - Saint Pete Beach, FL
  • Average rainfall days in May: 4.3 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (2.6 days).

Average sea temperature in May
Saint Pete Beach, FL

Average sea temperature in May - Saint Pete Beach, 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
Saint Pete Beach, FL

Average daylight in May / Average sunshine in May - Saint Pete Beach, 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 42min).

Average sunshine days in May
Saint Pete Beach, FL

Average sunshine days in May - Saint Pete Beach, FL
  • Average sunshine days in May: 23 days

The month with the most sunshine days is March (27.6 days).
The month with the least sunshine days is August (13.5 days).

Average UV index in May
Saint Pete Beach, FL

Average UV index in May - Saint Pete Beach, 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
Saint Pete Beach, FL

Average cloud cover in May - Saint Pete Beach, FL
  • Average cloud cover in May: 20

The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in May
Saint Pete Beach, FL

Average visibility in May - Saint Pete Beach, 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).

Saint Pete Beach, Florida, USA

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