May weather forecast
Grand Chenier, LA

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Weather in May

May, the last month of the spring in Grand Chenier, is also a moderately hot month, with an average temperature varying between 70°F (21.1°C) and 84.2°F (29°C).

Temperature

The shift into May brings a slight increase in the average high-temperature, moving from a warm 77.4°F (25.2°C) in April to a still moderately hot 84.2°F (29°C). An average low-temperature of 70°F (21.1°C) is observed during May nights.

Heat index

In May, the heat index is computed to be a tropical 91.4°F (33°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In Grand Chenier, the average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 11.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. In Grand Chenier, during the entire year, the rain falls for 168 days and collects up to 34.96" (888mm) of precipitation.

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 6:28 am and sunset at 7:49 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:07 pm CDT.

Sunshine

In May, the average sunshine is 10.2h.

UV index

The months with the highest UV index in Grand Chenier, Louisiana, are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 7 in May transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May?

The average high-temperature, in May, in Grand Chenier, is 84.2°F (29°C), while the average low-temperature is 70°F (21.1°C). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 91.4°F (33°C).

What is the average humidity in May?

In Grand Chenier, the average relative humidity in May is 74%.

How many days does it rain in May?

In Grand Chenier, in May, during 11.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Grand Chenier have in May?

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

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:07 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 10.2h.

When is the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Grand Chenier, Louisiana.

What is the UV index intensity in May?

In Grand Chenier, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Grand Chenier, LA

Average temperature in May - Grand Chenier, LA
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in May: 70°F

The month with the highest average low temperature is July (77.2°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in May
Grand Chenier, LA

Average pressure in May - Grand Chenier, LA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).

Average wind speed in May
Grand Chenier, LA

Average wind speed in May - Grand Chenier, LA
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in May
Grand Chenier, LA

Average humidity in May - Grand Chenier, LA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Grand Chenier, LA

Average rainfall in May - Grand Chenier, LA
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is April (2.09").

Average rainfall days in May
Grand Chenier, LA

Average rainfall days in May - Grand Chenier, LA
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in May
Grand Chenier, LA

Average snowfall in May - Grand Chenier, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Grand Chenier, LA

Average snowfall days in May - Grand Chenier, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.3 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
Grand Chenier, LA

Average daylight in May / Average sunshine in May - Grand Chenier, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Grand Chenier, LA

Average sunshine days in May - Grand Chenier, LA
  • Average sunshine days in May: 17.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in May
Grand Chenier, LA

Average UV index in May - Grand Chenier, 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
Grand Chenier, LA

Average cloud cover in May - Grand Chenier, LA
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in May
Grand Chenier, LA

Average visibility in May - Grand Chenier, 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).

Grand Chenier, Louisiana, USA

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