May weather forecastHolly Hill, FL
May
Weather in May
May, the last month of the spring in Holly Hill, is also a moderately hot month, with an average temperature fluctuating between 82.8°F (28.2°C) and 71.1°F (21.7°C).Temperature
The advent of May denotes an average high-temperature of a still moderately hot 82.8°F (28.2°C), subtly different from April's 78.4°F (25.8°C). Holly Hill cools down to an average low-temperature of 71.1°F (21.7°C) throughout the month of May.Heat index
In May, the average heat index is computed to be a tropical 89.6°F (32°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in May is 74%.Rainfall
In Holly Hill, during May, the rain falls for 15.3 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 196 rainfall days, and 37.91" (963mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 37min.On the first day of May, sunrise is at 6:41 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 10.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during May translates into the following guidance:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Holly Hill, FL
- Average high temperature in May: 82.8°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (66.4°F).
- Average low temperature in May: 71.1°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in May
Holly Hill, FL
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in May
Holly Hill, FL
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in May
Holly Hill, FL
- Average humidity in May: 74%
The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in May
Holly Hill, FL
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is August (6.1").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in May
Holly Hill, FL
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is August (26.1 days).
The months with the least rainy days are February and December (11 days).
Average daylight in May /
Average sunshine in May
Holly Hill, FL
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).
Average sunshine days in May
Holly Hill, FL
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (2.8 days).
Average UV index in May
Holly Hill, FL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in May
Holly Hill, FL
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in May
Holly Hill, 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).
