May weather forecastHolly Beach, LA
May
Weather in May
May signals a rise in mercury readings, marking an official transition to the much-awaited summer season. An increase in daylight hours corresponds to a similar gain in daily sunshine hours. The frequency of rainfall occurrences drops against the previous month, even as rain volumes surge up. On average, wind speeds decrease, setting a mellower atmosphere conducive for outdoor activities. The temperature in May spreads from 70°F (21.1°C) to 84.2°F (29°C) as rainfall intensifies up to 2.6" (66mm).Temperature
Holly Beach experiences a minor temperature shift with the start of May, with average high-temperatures moving from 77.4°F (25.2°C) in April to a still warm 84.2°F (29°C). Throughout May, Holly Beach records an average temperature of 70°F (21.1°C) at night.Heat index
The heat index value for May is appraised at a tropical 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Holly Beach, the average relative humidity in May is 74%.Rainfall
In Holly Beach, in May, during 11.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 168 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
In Holly Beach, snow does not fall in February through November.Daylight
The average length of the day in May is 13h and 40min.On the first day of May, sunrise is at 6:30 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:09 pm CDT.
Sunshine
In May, the average sunshine is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Holly Beach, LA
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in May: 70°F
The month with the highest average low temperature is July (77.2°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in May
Holly Beach, LA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in May
Holly Beach, LA
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Holly Beach, LA
- Average humidity in May: 74%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Holly Beach, LA
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is April (2.09").
Average rainfall days in May
Holly Beach, LA
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in May
Holly Beach, LA
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Holly Beach, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Holly Beach, LA
- Average daylight in May: 13h and 42min
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 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Holly Beach, LA
- Average sunshine days in May: 17.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in May
Holly Beach, LA
- 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 December (UV index 3).
Average cloud cover in May
Holly Beach, LA
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in May
Holly Beach, LA
- 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).





