May weather forecast
Lake Charles, LA

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A large ship has docked on the shores of the iconic Lake Charles in Louisiana
A large ship has docked on the shores of the iconic Lake Charles in Louisiana

Weather in May

May opens the door wide for warmer temperatures in Lake Charles, Louisiana. With a significant leap in temperatures, residents anticipate the arrival of summer. The observed rise in temperature gets confirmed with May's maximum temperature reaching the 80s°F mark, standing at 84.7°F (29.3°C). Despite the escalating heat, rainfall persists, sustaining the abundant natural greenery. Transitioning into June, the city anticipates the full force of summer.

Temperature

In Lake Charles, the average high-temperature in May slightly rises, from 77.5°F (25.3°C) in April, to a still moderately hot 84.7°F (29.3°C). Lake Charles experiences a nighttime temperature average of 68.4°F (20.2°C) during May.

Heat index

During May, the heat index is calculated to be a hot 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Lake Charles, during May, the rain falls for 13.9 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Lake Charles, Louisiana, there are 182.1 rainfall days, and 39.25" (997mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall.

Daylight

In May, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:50 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:09 pm CDT.

Sunshine

In Lake Charles, the average sunshine in May is 10.3h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Lake Charles. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot does it get in May?

In May, in Lake Charles, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in May is calculated to be 93.2°F (34°C).

What is the average humidity in May?

In Lake Charles, the average relative humidity in May is 75%.

How many days does it rain in May?

In Lake Charles, Louisiana, during May, the rain falls for 13.9 days and regularly aggregates up to 3.19" (81mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

What is the average length of the day in May?

The average day length in May is 13h and 41min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:28 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:09 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 10.3h.

When is the highest UV index?

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

What is the UV index reading in May?

In Lake Charles, 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 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
Lake Charles, LA

Average temperature in May - Lake Charles, LA
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in May: 68.4°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).

Average pressure in May
Lake Charles, LA

Average pressure in May - Lake Charles, 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
Lake Charles, LA

Average wind speed in May - Lake Charles, LA
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in May
Lake Charles, LA

Average humidity in May - Lake Charles, LA
  • Average humidity in May: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Lake Charles, LA

Average rainfall in May - Lake Charles, LA
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (5.75").
The driest month (with the least rainfall) is February (2.32").

Average rainfall days in May
Lake Charles, LA

Average rainfall days in May - Lake Charles, LA
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in May
Lake Charles, LA

Average snowfall in May - Lake Charles, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Lake Charles, LA

Average snowfall days in May - Lake Charles, 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
Lake Charles, LA

Average daylight in May / Average sunshine in May - Lake Charles, LA
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Lake Charles, LA

Average sunshine days in May - Lake Charles, LA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (7.3 days).

Average UV index in May
Lake Charles, LA

Average UV index in May - Lake Charles, 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
Lake Charles, LA

Average cloud cover in May - Lake Charles, LA
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in May
Lake Charles, LA

Average visibility in May - Lake Charles, 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).

Lake Charles, Louisiana, USA

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