May weather forecast
Petal, MS

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Weather in May

The last month of the spring, May, is another warm month in Petal, Mississippi, with an average temperature ranging between min 63.7°F (17.6°C) and max 84.7°F (29.3°C).

Temperature

Observing a minor shift, the average high-temperature during May adjusts from April's warm 77.7°F (25.4°C) to a still moderately hot 84.7°F (29.3°C). Petal sees an average low-temperature of 63.7°F (17.6°C) during May.

Heat index

The heat index in May is evaluated at a tropical 93.2°F (34°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in May is 74%.

Rainfall

In May, in Petal, the rain falls for 14.7 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 46min.
On the first day of May, sunrise is at 6:11 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:56 pm CDT.

Sunshine

In May, the average sunshine in Petal is 10h.

UV index

In Petal, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in May?

The high-temperature, in May, in Petal, is 84.7°F (29.3°C), while the low-temperature averages to 63.7°F (17.6°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in May?

In Petal, the average relative humidity in May is 74%.

How many days does it rain in May?

In Petal, in May, during 14.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Petal have in May?

In Petal, the average day length in May is 13h and 46min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:11 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:56 pm CDT.

How many hours of sunshine does Petal have in May?

The average sunshine duration in May is 10h.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Petal, MS

Average temperature in May - Petal, MS
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in May: 63.7°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in May
Petal, MS

Average pressure in May - Petal, MS
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in May
Petal, MS

Average wind speed in May - Petal, MS
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

Average humidity in May
Petal, MS

Average humidity in May - Petal, MS
  • Average humidity in May: 74%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Petal, MS

Average rainfall in May - Petal, MS
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in May
Petal, MS

Average rainfall days in May - Petal, MS
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in May
Petal, MS

Average snowfall in May - Petal, MS
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Petal, MS

Average snowfall days in May - Petal, MS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Petal, MS

Average daylight in May / Average sunshine in May - Petal, MS
  • Average daylight in May: 13h and 5min

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

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Petal, MS

Average sunshine days in May - Petal, MS
  • Average sunshine days in May: 14.5 days

The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).

Average UV index in May
Petal, MS

Average UV index in May - Petal, MS
  • Average UV index in May: 6

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

Average cloud cover in May
Petal, MS

Average cloud cover in May - Petal, MS
  • Average cloud cover in May: 36

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in May
Petal, MS

Average visibility in May - Petal, MS
  • Average visibility in May: 5mi

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

Petal, Mississippi, USA

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