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 snowfall 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
Destrehan experiences a minor temperature shift with the start of May, with average high-temperatures moving from a warm 77.2°F (25.1°C) in April to a still moderately hot 83.5°F (28.6°C). Throughout the month of May, Destrehan sees a steady low-temperature average of 69.3°F (20.7°C).Heat index
May's mean heat index is evaluated at a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The average relative humidity in May is 75%.Rainfall
In Destrehan, during May, the rain falls for 14.5 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 180.8 rainfall days, and 33.39" (848mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
The average length of the day in May is 13h and 40min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of May, sunrise is at 6:00 am and sunset at 7:57 pm CDT.
Sunshine
The average sunshine in May is 10.5h.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 unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 7 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Destrehan?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Destrehan have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Destrehan, LA
- Average high temperature in May: 83.5°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in May: 69.3°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in May
Destrehan, LA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in May
Destrehan, LA
- Average wind speed in May: 7.2mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Destrehan, LA
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Destrehan, LA
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in May
Destrehan, LA
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days in May
Destrehan, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 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
Destrehan, LA
- Average daylight in May: 13h and 4min
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 3min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in May
Destrehan, LA
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in May
Destrehan, 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
Destrehan, LA
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in May
Destrehan, 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).
Destrehan, Louisiana, USA
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