May weather forecast
Greendale, LA

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Weather in May

The last month of the spring, May, is another warm month in Greendale, Louisiana, with an average temperature ranging between max 85.6°F (29.8°C) and min 65.7°F (18.7°C).

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from 78.4°F (25.8°C) to a still moderately hot 85.6°F (29.8°C). Greendale's temperature tends to fall to an average low of 65.7°F (18.7°C) during the nights of May.

Heat index

For May, the heat index is computed to be a torrid 96.8°F (36°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

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

Rainfall

In Greendale, Louisiana, in May, it is raining for 14.7 days, with typically 2.83" (72mm) of accumulated precipitation. In Greendale, during the entire year, the rain falls for 177.1 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

In Greendale, snow does not fall in February through November.

Daylight

In Greendale, Louisiana, the average length of the day in May is 13h and 43min.
On the first day of May, sunrise is at 6:20 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

In May, the average sunshine is 9.7h.

UV index

The months with the highest UV index in Greendale are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 7 in May leads to these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

Is it hot in Greendale during May?

In May, the average high-temperature and low-temperature in Greendale, Louisiana, are 85.6°F (29.8°C) and 65.7°F (18.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 96.8°F (36°C).

What is the average humidity in May in Greendale?

In May, the average relative humidity is 76%.

How many days does it rain in May in Greendale?

In Greendale, during May, the rain falls for 14.7 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Greendale?

In Greendale, snow does not fall in February through November.

How many hours of daylight does Greendale have in May?

In May, the average day length is 13h and 43min.

What time are sunrise and sunset in May in Greendale?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 7:42 pm. On the last day of the month, in Greendale, sunrise is at 6:02 am and sunset at 8:01 pm CDT.

How many hours of sunshine does Greendale have in May?

The average sunshine duration in May in Greendale is 9.7h.

What is the month with the highest UV index in Greendale?

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

What is the UV index intensity in May in Greendale?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
Greendale, LA

Average temperature in May - Greendale, LA
  • Average high temperature in May: 85.6°F

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in May: 65.7°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in May
Greendale, LA

Average pressure in May - Greendale, LA
  • Average pressure in May: 29.98"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).

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Average wind speed in May
Greendale, LA

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

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

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Average humidity in May
Greendale, LA

Average humidity in May - Greendale, LA
  • Average humidity in May: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Greendale, LA

Average rainfall in May - Greendale, LA
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in May
Greendale, LA

Average rainfall days in May - Greendale, LA
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Greendale, LA

Average snowfall in May - Greendale, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Greendale, LA

Average snowfall days in May - Greendale, 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 March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Greendale, LA

Average daylight in May / Average sunshine in May - Greendale, 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 month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in May
Greendale, LA

Average sunshine days in May - Greendale, LA
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in May
Greendale, LA

Average UV index in May - Greendale, 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
Greendale, LA

Average cloud cover in May - Greendale, LA
  • Average cloud cover in May: 37

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Greendale, LA

Average visibility in May - Greendale, 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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Greendale, Louisiana, USA

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