May weather forecast
Marrero, LA

Share

Weather in May

May, the last month of the spring in Marrero, is another warm month, with an average temperature fluctuating between 71.2°F (21.8°C) and 82.9°F (28.3°C).

Temperature

The start of May brings a subtle rise 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). Nightly temperatures drop to an average low of 71.2°F (21.8°C) in May.

Heat index

For May, the heat index is appraised at a tropical 89.6°F (32°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In Marrero, in May, it is raining for 8.6 days, with typically 0.75" (19mm) of accumulated precipitation. In Marrero, during the entire year, the rain falls for 112.1 days and collects up to 9.37" (238mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

The average sunshine in May in Marrero is 10.6h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

How hot is it in May?

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

What is the average humidity in May?

In May, the average relative humidity in Marrero is 73%.

How much does it rain in May?

In Marrero, in May, it is raining for 8.6 days, with typically 0.75" (19mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Marrero have in May?

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

What time are sunrise and sunset in May in Marrero?

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.

How many hours of sunshine does Marrero have in May?

The average sunshine duration in May is 10.6h.

What are the months with the highest UV index?

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

What is the UV index reading in May in Marrero?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Marrero, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location