May weather forecast and climate
Holly Beach, LA

Weather in May

The last month of the spring, May, is also a moderately hot month in Holly Beach, Louisiana, with average temperature ranging between min 70°F (21.1°C) and max 84.2°F (29°C).

Temperature

In Holly Beach, the average high-temperature marginally rises, from 77.4°F (25.2°C) in April, to a still moderately hot 84.2°F (29°C). In Holly Beach, in May, the average low-temperature is 70°F (21.1°C).

Heat index

In May, the average heat index is appraised at a tropical 92.3°F (33.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity in Holly Beach is 74%.

Rainfall

In Holly Beach, in May, during 11.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Holly Beach, during the entire year, the rain falls for 168 days and collects up to 34.96" (888mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In Holly Beach, the average length of the day is 13.7h.

Sunshine

In Holly Beach, Louisiana, the average sunshine in May is 10.2h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Holly Beach?

The average high-temperature, in May, in Holly Beach, is 84.2°F (29°C), while the average low-temperature is 70°F (21.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is appraised at 92.3°F (33.5°C).

What is the average humidity in May in Holly Beach?

The average relative humidity in May in Holly Beach, Louisiana, is 74%.

How many days does it rain in May in Holly Beach?

In May, in Holly Beach, the rain falls for 11.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Holly Beach?

In Holly Beach snow does not fall in February through November.

What is the average length of the day in May in Holly Beach?

The average length of the day in May in Holly Beach, Louisiana, is 13.7h.

How many hours of sunshine does Holly Beach have in May?

The average sunshine in May is 10.2h.

When is the highest UV index in Holly Beach?

Months with the highest UV index in Holly Beach are May through August, with an average maximum UV index of 7.

How high is the UV index in May in Holly Beach?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Holly Beach, LA

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).

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Average pressure in May
Holly Beach, LA

Average pressure in May - Holly Beach, LA
  • Average pressure in May: 29.96"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.94").

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Average wind speed in May
Holly Beach, LA

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).

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Average humidity in May
Holly Beach, LA

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%).

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Average rainfall in May
Holly Beach, LA

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").

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Average rainfall days in May
Holly Beach, LA

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).

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Average snowfall in May
Holly Beach, LA

Average snowfall in May - Holly Beach, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.12").
Months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Holly Beach, LA

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).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Holly Beach, LA

Average daylight in May / Average sunshine in May - Holly Beach, LA
  • Average daylight in May: 13.7h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in May: 10.2h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is December (Average sunshine: 4.9h).

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Average sunshine days in May
Holly Beach, LA

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).

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Average UV index in May
Holly Beach, LA

Average UV index in May - Holly Beach, LA
  • Average UV index in May: 7

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).

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Average cloud cover in May
Holly Beach, LA

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).

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Average visibility in May
Holly Beach, LA

Average visibility in May - Holly Beach, LA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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