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 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 transition from April to May brings an average high-temperature of a still warm 80.2°F (26.8°C), barely different from April's 77.4°F (25.2°C). The month of May is marked by an average minimum temperature of 78.3°F (25.7°C), slightly cooler than its daytime counterpart.Humidity
The average relative humidity in May is 77%.Rainfall
In Summerland Key, in May, during 13.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Summerland Key, Florida, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.Daylight
In May, the average length of the day is 13h and 21min.On the first day of May, sunrise is at 6:49 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:10 pm EDT.
Sunshine
In Summerland Key, Florida, the average sunshine in May is 11h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Summerland Key have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Summerland Key, FL
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in May: 78.3°F
The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).
Average pressure in May
Summerland Key, FL
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).
Average wind speed in May
Summerland Key, FL
- Average wind speed in May: 12.2mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).
Average humidity in May
Summerland Key, FL
- Average humidity in May: 77%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in May
Summerland Key, FL
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in May
Summerland Key, FL
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).
Average daylight in May /
Average sunshine in May
Summerland Key, FL
- Average daylight in May: 13h and 2min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Summerland Key, FL
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in May
Summerland Key, FL
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in May
Summerland Key, FL
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in May
Summerland 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).
Summerland Key, Florida, USA
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