May weather forecast
Greenwell Springs, LA

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Weather in May

May, the last month of the spring in Greenwell Springs, is another warm month, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 65.5°F (18.6°C).

Temperature

May's onset witnesses a minor shift in the average high-temperature, moving from a moderately hot 78.6°F (25.9°C) in April to a still warm 85.5°F (29.7°C). In May, the average low-temperature is a refreshing 65.5°F (18.6°C).

Heat index

Throughout May, the heat index is computed to be a torrid 96.8°F (36°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. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in May is 76%.

Rainfall

In Greenwell Springs, in May, it is raining for 8.8 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 96.2 rainfall days, and 7.05" (179mm) of precipitation is accumulated.

Snowfall

In Greenwell Springs, Louisiana, snow does not fall in February through November.

Daylight

In May, the average length of the day in Greenwell Springs is 13h and 43min.
On the first day of May, sunrise is at 6:19 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:01 pm CDT.

Sunshine

The average sunshine in May in Greenwell Springs is 9.6h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 7 suggests this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

How hot is it in Greenwell Springs in May?

May temperatures in Greenwell Springs vary between a high-temperature of 85.5°F (29.7°C) and a low-temperature of 65.5°F (18.6°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 96.8°F (36°C).

What is the average humidity in May in Greenwell Springs?

In Greenwell Springs, the average relative humidity in May is 76%.

How much does it rain in Greenwell Springs in May?

In Greenwell Springs, Louisiana, in May, it is raining for 8.8 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Greenwell Springs?

In Greenwell Springs, Louisiana, snow does not fall in February through November.

What is the average length of the day in May in Greenwell Springs?

The average day length in May in Greenwell Springs is 13h and 43min.

When is the sunrise / sunset in May in Greenwell Springs?

On the first day of May, sunrise is at 6:19 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:01 pm CDT.

How many hours of sunshine does Greenwell Springs have in May?

In Greenwell Springs, the average sunshine duration in May is 9.6h.

What are the months with the highest UV index in Greenwell Springs?

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

What is the UV index intensity in May in Greenwell Springs?

In May, the average daily maximum UV index in Greenwell Springs is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
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
Greenwell Springs, LA

Average temperature in May - Greenwell Springs, LA
  • Average high temperature in May: 85.5°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in May: 65.5°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in May
Greenwell Springs, LA

Average pressure in May - Greenwell Springs, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in May
Greenwell Springs, LA

Average wind speed in May - Greenwell Springs, LA
  • Average wind speed in May: 5.3mph

The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

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Average humidity in May
Greenwell Springs, LA

Average humidity in May - Greenwell Springs, LA
  • Average humidity in May: 76%

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

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Average rainfall in May
Greenwell Springs, LA

Average rainfall in May - Greenwell Springs, LA
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is July (1.1").
The driest months (with the least rainfall) are March and September (0.28").

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Average rainfall days in May
Greenwell Springs, LA

Average rainfall days in May - Greenwell Springs, LA
  • Average rainfall days in May: 8.8 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (4.6 days).

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Average snowfall days in May
Greenwell Springs, LA

Average snowfall days in May - Greenwell Springs, LA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Greenwell Springs, LA

Average daylight in May / Average sunshine in May - Greenwell Springs, 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 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Greenwell Springs, LA

Average sunshine days in May - Greenwell Springs, LA
  • Average sunshine days in May: 20.3 days

The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in May
Greenwell Springs, LA

Average UV index in May - Greenwell Springs, LA
  • Average UV index in May: 7

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

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Average cloud cover in May
Greenwell Springs, LA

Average cloud cover in May - Greenwell Springs, LA
  • Average cloud cover in May: 37

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Greenwell Springs, LA

Average visibility in May - Greenwell Springs, LA
  • Average visibility in May: 5mi

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

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Greenwell Springs, Louisiana, USA

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