May weather forecast
New Orleans, LA

Commuter buses on the street in New Orleans, Louisiana
Commuter buses on the street in New Orleans, Louisiana

Weather in May

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

Temperature

In New Orleans, the average high-temperature in May marginally rises from 77°F (25°C) in April to a still moderately hot 82.9°F (28.3°C). In May, in New Orleans, the average low-temperature is 71.2°F (21.8°C).

Heat index

The average heat index in May is computed to be a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In New Orleans, Louisiana, during 8.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In New Orleans, during the entire year, the rain falls for 112.1 days and collects up to 9.37" (238mm) of precipitation.

Snowfall

February through December are months without snowfall in New Orleans.

Daylight

The average length of the day in May is 13h and 40min.
On the first day of May, sunrise is at 6:17 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

The average sunshine in May in New Orleans is 10.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in New Orleans?

The average high-temperature, in May, 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 takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in May in New Orleans?

In New Orleans, Louisiana, the average relative humidity in May is 73%.

How many days does it rain in May in New Orleans?

In New Orleans, 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 New Orleans?

In New Orleans, snow does not fall in February through December.

What is the average length of the day in May in New Orleans?

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

What time are sunrise and sunset in May in New Orleans?

On the first day of May in New Orleans, sunrise is at 6:17 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 long on average sun shines in May in New Orleans?

The average sunshine duration in May in New Orleans is 10.6h.

What are the months with the highest UV index in New Orleans?

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

What is the UV index reading in May in New Orleans?

In May, the average daily maximum UV index is 7. A UV Index value 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
New Orleans, LA

Average temperature in May - New Orleans, 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
New Orleans, LA

Average pressure in May - New Orleans, 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
New Orleans, LA

Average wind speed in May - New Orleans, 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
New Orleans, LA

Average humidity in May - New Orleans, 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
New Orleans, LA

Average rainfall in May - New Orleans, 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
New Orleans, LA

Average rainfall days in May - New Orleans, 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
New Orleans, LA

Average snowfall days in May - New Orleans, 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
New Orleans, LA

Average daylight in May / Average sunshine in May - New Orleans, LA
  • Average daylight in May: 13h and 40min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in May: 10h and 36min

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
New Orleans, LA

Average sunshine days in May - New Orleans, 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
New Orleans, LA

Average UV index in May - New Orleans, 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
New Orleans, LA

Average cloud cover in May - New Orleans, 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
New Orleans, LA

Average visibility in May - New Orleans, 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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