May weather forecast
Perry, LA

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Weather in May

May, the last month of the spring in Perry, is another warm month, with an average temperature varying between 69.1°F (20.6°C) and 83.8°F (28.8°C).

Temperature

Perry's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's warm 77°F (25°C) to a still moderately hot 83.8°F (28.8°C). During May, Perry records a consistent average nighttime temperature of 69.1°F (20.6°C).

Heat index

May's mean heat index is appraised at a hot 91.4°F (33°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In Perry, Louisiana, the average relative humidity in May is 75%.

Rainfall

In Perry, in May, during 10.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Perry, Louisiana, during the entire year, the rain falls for 148.8 days and collects up to 22.24" (565mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 13h and 40min.
On the first day of May, sunrise is at 6:25 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:04 pm CDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 7 in May transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Perry during May?

The high-temperature, in May, in Perry, is 83.8°F (28.8°C), while the low-temperature averages to 69.1°F (20.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in May is appraised at 91.4°F (33°C).

What is the average humidity in May?

In May, the average relative humidity is 75%.

How many days does it rain in May?

In May, in Perry, the rain falls for 10.2 days. Throughout May, 1.38" (35mm) of precipitation is accumulated.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Perry have in May?

The average day length in May is 13h and 40min.

What time are sunrise and sunset in May in Perry?

On the first day of May, sunrise is at 6:25 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:04 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 10.3h.

What are the months with the highest UV index in Perry?

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

What is the UV index reading in May?

In Perry, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk 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
Perry, LA

Average temperature in May - Perry, LA
  • Average high temperature in May: 83.8°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in May: 69.1°F

The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (45.3°F).

Average pressure in May
Perry, LA

Average pressure in May - Perry, LA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

Average wind speed in May
Perry, LA

Average wind speed in May - Perry, LA
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Perry, LA

Average humidity in May - Perry, LA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Perry, LA

Average rainfall in May - Perry, LA
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is March (1.18").

Average rainfall days in May
Perry, LA

Average rainfall days in May - Perry, LA
  • Average rainfall days in May: 10.2 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in May
Perry, LA

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

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Perry, LA

Average snowfall days in May - Perry, 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
Perry, LA

Average daylight in May / Average sunshine in May - Perry, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Perry, LA

Average sunshine days in May - Perry, LA
  • Average sunshine days in May: 18.1 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in May
Perry, LA

Average UV index in May - Perry, 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
Perry, LA

Average cloud cover in May - Perry, LA
  • Average cloud cover in May: 28

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in May
Perry, LA

Average visibility in May - Perry, 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).

Perry, Louisiana, USA

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