May weather forecast
Biloxi, MS

A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi
A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi

Weather in May

The last month of the spring, May, is another warm month in Biloxi, Mississippi, with an average temperature ranging between max 82.8°F (28.2°C) and min 69.4°F (20.8°C).

Temperature

In May, the average high-temperature marginally rises from a warm 76.5°F (24.7°C) in April to a still moderately hot 82.8°F (28.2°C). In Biloxi, the average low-temperature is 69.4°F (20.8°C).

Heat index

The average heat index in May is appraised at a tropical 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, metabolic differences), and 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 are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 179.4 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Biloxi, Mississippi.

Ocean temperature

In Biloxi, the average water temperature is 77.5°F (25.3°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In May, the average length of the day in Biloxi is 13h and 42min.
On the first day of May in Biloxi, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:52 pm CDT.

Sunshine

In Biloxi, the average sunshine in May is 10.7h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Biloxi. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in May in Biloxi?

In May, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 69.4°F (20.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 88.9°F (31.6°C).

What is the average humidity in May in Biloxi?

The average relative humidity in May in Biloxi is 74%.

How many days does it rain in May in Biloxi?

In Biloxi, Mississippi, in May, it is raining for 13.8 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Biloxi?

In Biloxi, Mississippi, snow does not fall in February through December.

How warm is the water in May in Biloxi?

In Biloxi, Mississippi, the average seawater temperature in May is 77.5°F (25.3°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Biloxi?

The average day length in May is 13h and 42min.

When are sunrise and sunset in May in Biloxi?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of the month, in Biloxi, Mississippi, sunrise is at 5:54 am and sunset at 7:52 pm CDT.

How long on average sun shines in May in Biloxi?

In Biloxi, Mississippi, the average sunshine duration in May is 10.7h.

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

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

What is the UV index reading in May in Biloxi?

In Biloxi, Mississippi, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Biloxi, MS

Average temperature in May - Biloxi, MS
  • Average high temperature in May: 82.8°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 (59.2°F).

  • Average low temperature in May: 69.4°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in May
Biloxi, MS

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in May
Biloxi, MS

Average wind speed in May - Biloxi, MS
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in May
Biloxi, MS

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Biloxi, MS

Average rainfall in May - Biloxi, MS
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is November (2.09").

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Average rainfall days in May
Biloxi, MS

Average rainfall days in May - Biloxi, MS
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in May
Biloxi, MS

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Biloxi, MS

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in May
Biloxi, MS

Average sea temperature in May - Biloxi, MS
  • Average sea temperature in May: 77.6°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).

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

Average daylight in May / Average sunshine in May - Biloxi, MS
  • Average daylight in May: 13h and 42min

The month with the longest days is June (Average daylight: 14h and 5min).
The month with the shortest days is December (Average daylight: 10h and 13min).

  • Average sunshine in May: 10h and 42min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in May
Biloxi, MS

Average sunshine days in May - Biloxi, MS
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are July and August (5.1 days).

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Average UV index in May
Biloxi, MS

Average UV index in May - Biloxi, MS
  • 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, November and December (UV index 4).

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Average cloud cover in May
Biloxi, MS

Average cloud cover in May - Biloxi, MS
  • Average cloud cover in May: 26

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).

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Average visibility in May
Biloxi, MS

Average visibility in May - Biloxi, MS
  • 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).

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