May weather forecast
Treasure Island, FL

The perfect outline of the Treasure Island in Florida
The perfect outline of the Treasure Island in Florida

Weather in May

The last month of the spring, May, is another warm month in Treasure Island, Florida, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 73°F (22.8°C).

Temperature

In May, the average high-temperature is practically the same as in April - a still warm 82.2°F (27.9°C). The average low-temperature, in May, is 73°F (22.8°C).

Heat index

The average heat index is calculated to be a tropical 87.6°F (30.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index 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

In Treasure Island, the average relative humidity is 73%.

Rainfall

In Treasure Island, Florida,, during 8.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Treasure Island, during the entire year, the rain falls for 122.3 days and collects up to 9.45" (240mm) of precipitation.

Ocean temperature

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

Sunshine

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

UV index

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 unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 reflection of water and sand dramatically increases exposure to the UV rays.
[Resources]

FAQ

What is the temperature in May in Treasure Island?

In Treasure Island, Florida, in May, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in May is calculated to be 87.6°F (30.9°C).

What is the average humidity in May in Treasure Island?

In Treasure Island, Florida, the average relative humidity in May is 73%.

How many days does it rain in May in Treasure Island?

In May, in Treasure Island, the rain falls for 8.3 days. Throughout May, 0.51" (13mm) of precipitation is accumulated.

How warm is the water in May in Treasure Island?

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 Treasure Island have in May?

In Treasure Island, Florida, the average length of the day in May is 13.5h.

What month has the most sunshine in Treasure Island?

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

How many hours of sunshine does Treasure Island have in May?

The average sunshine in May in Treasure Island is 11.3h.

When is the highest UV index in Treasure Island?

Months with the highest UV index in Treasure Island are May through September, with an average maximum UV index of 7.

How high is the UV index in May in Treasure Island?

The average daily maximum UV index in May in Treasure Island, Florida, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Treasure Island, FL

Average temperature in May - Treasure Island, 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°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 (56.3°F).

[Resources]

Average pressure in May
Treasure Island, FL

Average pressure in May - Treasure Island, FL
  • Average pressure in May: 30.01"

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

[Resources]

Average wind speed in May
Treasure Island, FL

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

The windiest months (with the highest average wind speed) are January and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (7mph).

[Resources]

Average humidity in May
Treasure Island, FL

Average humidity in May - Treasure Island, 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%).

[Resources]

Average rainfall in May
Treasure Island, FL

Average rainfall in May - Treasure Island, FL
  • Average rainfall in May: 0.51"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is March (0.12").

[Resources]

Average rainfall days in May
Treasure Island, FL

Average rainfall days in May - Treasure Island, FL
  • Average rainfall days in May: 8.3 days

The month with the highest number of rainy days is August (18.5 days).
Months with the least rainy days are January, February and March (5.6 days).

[Resources]

Average sea temperature in May
Treasure Island, FL

Average sea temperature in May - Treasure Island, 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).

[Resources]

Average daylight in May /
Average sunshine in May
Treasure Island, FL

Average daylight in May / Average sunshine in May - Treasure Island, 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: 6.6h).

[Resources]

Average sunshine days in May
Treasure Island, FL

Average sunshine days in May - Treasure Island, FL
  • Average sunshine days in May: 19.1 days

The month with the most sunshine days is March (24.3 days).
The month with the least sunshine days is August (5.6 days).

[Resources]

Average UV index in May
Treasure Island, FL

Average UV index in May - Treasure Island, 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).

[Resources]

Average cloud cover in May
Treasure Island, FL

Average cloud cover in May - Treasure Island, FL
  • Average cloud cover in May: 20

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).

[Resources]

Average visibility in May
Treasure Island, FL

Average visibility in May - Treasure Island, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location