May weather forecastCayo Costa, FL
May
Weather in May
The last month of the spring, May, is another warm month in Cayo Costa, Florida, with an average temperature ranging between min 74.3°F (23.5°C) and max 83.1°F (28.4°C).Temperature
Cayo Costa starts May with an average high-temperature of a still warm 83.1°F (28.4°C), hinting at a minimal fluctuation from April. The May nights show a slight decrease to a mean low-temperature of 74.3°F (23.5°C).Heat index
May's heat index is computed to be a tropical 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In May, the average relative humidity is 73%.Rainfall
In Cayo Costa, during May, the rain falls for 9.3 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 122 rainfall days, and 8.98" (228mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 28min.On the first day of May, sunrise is at 6:50 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:17 pm EDT.
Sunshine
With an average of 11.1h of sunshine, May has the most sunshine of the year.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cayo Costa, FL
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (70°F).
- Average low temperature in May: 74.3°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (58.8°F).
Average pressure in May
Cayo Costa, FL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in May
Cayo Costa, FL
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are October and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Cayo Costa, FL
- Average humidity in May: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in May
Cayo Costa, FL
- Average rainfall in May: 0.63"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.16").
Average rainfall days in May
Cayo Costa, FL
- Average rainfall days in May: 9.3 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (4.1 days).
Average daylight in May /
Average sunshine in May
Cayo Costa, FL
- Average daylight in May: 13h and 30min
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 6min
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 42min).
Average sunshine days in May
Cayo Costa, FL
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in May
Cayo Costa, 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 months with the lowest UV index are January and February (UV index 5).
Average cloud cover in May
Cayo Costa, FL
- Average cloud cover in May: 23
The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).
Average visibility in May
Cayo Costa, 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).
