May weather forecast
Saint Elmo, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Saint Elmo, Louisiana, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 66.2°F (19°C).

Temperature

As Saint Elmo transitions into May, the average high-temperature is observed to slightly rise from a warm 78.6°F (25.9°C) in April to a still moderately hot 84.7°F (29.3°C). Saint Elmo's average low-temperature in May is measured at an enjoyable 66.2°F (19°C).

Heat index

The heat index value during May is computed to be a very hot 95°F (35°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In May, the average relative humidity in Saint Elmo is 77%.

Rainfall

In Saint Elmo, in May, during 13.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

In Saint Elmo, snow does not fall in February through December.

Daylight

In May, the average length of the day is 13h and 41min.
On the first day of May, sunrise is at 6:19 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:00 pm CDT.

Sunshine

In Saint Elmo, the average sunshine in May is 9.8h.

UV index

In Saint Elmo, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May in Saint Elmo?

In Saint Elmo, in May, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in May is computed to be 95°F (35°C).

What is the average humidity in May in Saint Elmo?

In May, the average relative humidity is 77%.

How much does it rain in May?

In Saint Elmo, in May, during 13.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow?

In Saint Elmo, snow does not fall in February through December.

What is the average length of the day in May?

In Saint Elmo, 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 6:19 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:00 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.8h.

How high is the UV index in May?

In Saint Elmo, the average daily maximum UV index in May is 6. 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saint Elmo, LA

Average temperature in May - Saint Elmo, LA
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in May: 66.2°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in May
Saint Elmo, LA

Average pressure in May - Saint Elmo, 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 and August (29.96"Hg).

Average wind speed in May
Saint Elmo, LA

Average wind speed in May - Saint Elmo, LA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in May
Saint Elmo, LA

Average humidity in May - Saint Elmo, LA
  • Average humidity in May: 77%

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Saint Elmo, LA

Average rainfall in May - Saint Elmo, LA
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in May
Saint Elmo, LA

Average rainfall days in May - Saint Elmo, LA
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in May
Saint Elmo, LA

Average snowfall in May - Saint Elmo, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Saint Elmo, LA

Average snowfall days in May - Saint Elmo, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.2 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
Saint Elmo, LA

Average daylight in May / Average sunshine in May - Saint Elmo, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in May
Saint Elmo, LA

Average sunshine days in May - Saint Elmo, LA
  • Average sunshine days in May: 15 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in May
Saint Elmo, LA

Average UV index in May - Saint Elmo, LA
  • Average UV index in May: 6

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

Average cloud cover in May
Saint Elmo, LA

Average cloud cover in May - Saint Elmo, LA
  • Average cloud cover in May: 33

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in May
Saint Elmo, LA

Average visibility in May - Saint Elmo, LA
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, June, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July and September (5mi).

Saint Elmo, Louisiana, USA

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