May weather forecast
Marrero, LA

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Weather in May

May, the last month of the spring in Marrero, is also a moderately hot month, with an average temperature ranging between min 71.2°F (21.8°C) and max 82.9°F (28.3°C).

Temperature

The commencement of May sees a minor shift in the average high-temperature, moving from a moderately hot 77°F (25°C) in April to a still warm 82.9°F (28.3°C). Marrero witnesses a consistent average low-temperature of 71.2°F (21.8°C) throughout May.

Heat index

During May, the heat index is evaluated at a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in May is 73%.

Rainfall

In May, the rain falls for 8.6 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Marrero, Louisiana, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Marrero.

Daylight

The average length of the day in May is 13h and 40min.
On the first day of May, sunrise is at 6:16 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:56 pm CDT.

Sunshine

In Marrero, the average sunshine in May is 10.6h.

UV index

The months with the highest UV index in Marrero are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

Is it hot in Marrero during May?

The average high-temperature, in May, in Marrero, is 82.9°F (28.3°C), while the average low-temperature is 71.2°F (21.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in May in Marrero?

The average relative humidity in May in Marrero is 73%.

How many days does it rain in May in Marrero?

In Marrero, Louisiana, during May, the rain falls for 8.6 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Marrero?

In Marrero, Louisiana, snow does not fall in February through December.

How many hours of daylight does Marrero have in May?

The average day length in May in Marrero is 13h and 40min.

What time are sunrise and sunset in May in Marrero?

On the first day of May in Marrero, sunrise is at 6:16 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:56 pm CDT.

How many hours of sunshine does Marrero have in May?

In Marrero, Louisiana, the average sunshine duration in May is 10.6h.

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

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

What is the UV index intensity in May in Marrero?

In Marrero, Louisiana, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Marrero, LA

Average temperature in May - Marrero, LA
  • Average high temperature in May: 82.9°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in May: 71.2°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

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Average pressure in May
Marrero, LA

Average pressure in May - Marrero, 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
Marrero, LA

Average wind speed in May - Marrero, LA
  • Average wind speed in May: 8.2mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
Marrero, LA

Average humidity in May - Marrero, LA
  • Average humidity in May: 73%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Marrero, LA

Average rainfall in May - Marrero, LA
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

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Average rainfall days in May
Marrero, LA

Average rainfall days in May - Marrero, LA
  • Average rainfall days in May: 8.6 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

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Average snowfall days in May
Marrero, LA

Average snowfall days in May - Marrero, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in May / Average sunshine in May - Marrero, 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 4min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Marrero, LA

Average sunshine days in May - Marrero, LA
  • Average sunshine days in May: 19.3 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

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Average UV index in May
Marrero, LA

Average UV index in May - Marrero, LA
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Marrero, LA

Average cloud cover in May - Marrero, LA
  • Average cloud cover in May: 26

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in May
Marrero, LA

Average visibility in May - Marrero, 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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Marrero, Louisiana, USA

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