May weather forecast
Destrehan, LA

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Weather in May

The last month of the spring, May, is another warm month in Destrehan, Louisiana, with an average temperature ranging between max 83.5°F (28.6°C) and min 69.3°F (20.7°C).

Temperature

With the transition into May, Destrehan experiences a subtle uplift in average high-temperatures, adjusting from 77.2°F (25.1°C) in April to a still moderately hot 83.5°F (28.6°C). Destrehan's nighttime temperature in May falls to an average of 69.3°F (20.7°C).

Heat index

May's average heat index is estimated at a hot 91.4°F (33°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Destrehan, 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. In Destrehan, during the entire year, the rain falls for 180.8 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In May, the average length of the day 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

In Destrehan, 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 in Destrehan. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 7 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

How hot is May in Destrehan?

In Destrehan, in May, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 69.3°F (20.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in May is estimated at 91.4°F (33°C).

What is the average humidity in May in Destrehan?

In May, the average relative humidity in Destrehan, Louisiana, is 75%.

How much does it rain in Destrehan in May?

In Destrehan, during May, the rain falls for 14.5 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When it does not snow in Destrehan?

February through November are months without snowfall.

What is the average length of the day in May in Destrehan?

In Destrehan, Louisiana, the average day length in May is 13h and 40min.

When is the sunrise / sunset in May in Destrehan?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of the month, in Destrehan, sunrise is at 6:00 am and sunset at 7:57 pm CDT.

How long on average sun shines in May in Destrehan?

In Destrehan, the average sunshine duration in May is 10.5h.

What are the months with the highest UV index in Destrehan?

The months with the highest UV index in Destrehan are May through August, with an average maximum UV index of 7.

What is the UV index reading in May in Destrehan?

In Destrehan, Louisiana, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Destrehan, LA

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).

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Average pressure in May
Destrehan, LA

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).

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Average wind speed in May
Destrehan, LA

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).

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Average humidity in May
Destrehan, LA

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%).

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Average rainfall in May
Destrehan, LA

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").

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Average rainfall days in May
Destrehan, LA

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).

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Average snowfall days in May
Destrehan, LA

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).

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Average daylight in May /
Average sunshine in May
Destrehan, LA

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).

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Average sunshine days in May
Destrehan, LA

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).

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Average UV index in May
Destrehan, LA

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).

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Average cloud cover in May
Destrehan, LA

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).

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Average visibility in May
Destrehan, LA

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).

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Destrehan, Louisiana, USA

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