Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift from April to May is characterized by an average high-temperature of a still warm 84.2°F (29°C), not significantly different from the 80.2°F (26.8°C) of April. May nights in Siesta Key, Florida, observe an average temperature dip to a pleasant 72.7°F (22.6°C).Heat index
The average heat index in May is evaluated at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Know that the heat index computations account for shaded terrains and slight winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The months with the lowest humidity are March through May, with an average relative humidity of 72%.Rainfall
In Siesta Key, Florida, in May, it is raining for 15.1 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Ocean temperature
In Siesta Key, the average seawater temperature in May is 78.4°F (25.8°C).Note: Between 77°F (25°C) and 84.2°F (29°C), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
The average length of the day in May in Siesta Key is 13h and 30min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:03 pm. On the last day of May, sunrise is at 6:35 am and sunset at 8:20 pm EDT.
Sunshine
The month with the most sunshine is May, with an average of 11.1h of sunshine.UV index
The months with the highest UV index in Siesta Key are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be wary! Reflections from sand and water make UV radiation more intense.
Frequently asked questions
Is it hot in Siesta Key during May?
What is the least humid month in Siesta Key?
What is the average humidity in May in Siesta Key?
How many days does it rain in May in Siesta Key?
How warm is the water in May in Siesta Key?
How many hours of daylight does Siesta Key have in May?
What time are sunrise and sunset in May in Siesta Key?
What month has the most sunshine in Siesta Key?
How many hours of sunshine does Siesta Key have in May?
What is the month with the highest UV index in Siesta Key?
How high is the UV index in May in Siesta Key?
Average temperature in May
Siesta Key, FL
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in May: 72.7°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in May
Siesta Key, FL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in May
Siesta Key, FL
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in May
Siesta Key, FL
- Average humidity in May: 72%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).
Average rainfall in May
Siesta Key, FL
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in May
Siesta Key, FL
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).
Average sea temperature in May
Siesta Key, FL
- Average sea temperature in May: 78.4°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 (64.1°F).
Average daylight in May /
Average sunshine in May
Siesta Key, FL
- Average daylight in May: 13h and 3min
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 month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Siesta Key, FL
- Average sunshine days in May: 14 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in May
Siesta Key, 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
Siesta Key, FL
- Average cloud cover in May: 22
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 22).
Average visibility in May
Siesta Key, 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).
Siesta Key, Florida, USA
Weather forecast for your location
2. Allow the app to use your location
