May weather forecast and climate
Belleair, FL

Weather in May

May, the last month of the spring, in Belleair, is another warm month, with average temperature ranging between min 73°F (22.8°C) and max 82°F (27.8°C).

Temperature

In Belleair, the average high-temperature is almost the same as in April - a still warm 82°F (27.8°C). The average low-temperature, in May, is 73°F (22.8°C).

Heat index

In May, the average heat index is estimated at a tropical 87.3°F (30.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity is 73%.

Rainfall

In Belleair, during 11.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Belleair, there are 149.9 rainfall days, and 16.18" (411mm) of precipitation is accumulated.

Ocean temperature

In Belleair, the average seawater temperature is 78.1°F (25.6°C).
Note: 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.

Daylight

In Belleair, Florida, the average length of the day is 13.5h.

Sunshine

May has the most sunshine of the year, with an average of 11.3h 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 estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for average individuals.
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in May in Belleair?

In May, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 73°F (22.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, is evaluated at 87.3°F (30.7°C).

What is the average humidity in May in Belleair?

The average relative humidity in May in Belleair, Florida, is 73%.

How much does it rain in Belleair in May?

In Belleair, Florida, during May, the rain falls for 11.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

How warm is the water in May in Belleair?

In Belleair, Florida, the average seawater temperature in May 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 Belleair have in May?

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

What month has the most sunshine in Belleair?

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 Belleair?

In Belleair, Florida, the average sunshine in May is 11.3h.

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

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

What is the UV index reading in May in Belleair?

In Belleair, Florida, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in May
Belleair, FL

Average temperature in May - Belleair, 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).

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Average pressure in May
Belleair, FL

Average pressure in May - Belleair, FL
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Belleair, FL

Average wind speed in May - Belleair, 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).

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Average humidity in May
Belleair, FL

Average humidity in May - Belleair, 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%).

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Average rainfall in May
Belleair, FL

Average rainfall in May - Belleair, 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").

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Average rainfall days in May
Belleair, FL

Average rainfall days in May - Belleair, 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).

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Average sea temperature in May
Belleair, FL

Average sea temperature in May - Belleair, 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).

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

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

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in May: 11.3h

The month with the most sunshine is May (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in May
Belleair, FL

Average sunshine days in May - Belleair, 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).

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Average UV index in May
Belleair, FL

Average UV index in May - Belleair, 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
Belleair, FL

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

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).

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Average visibility in May
Belleair, FL

Average visibility in May - Belleair, 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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