May weather forecast
Biloxi, MS

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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 gradual moderation of climate in Biloxi, Mississippi, peaks in May with the highest temperature reaching an average of 82.8°F (28.2°C). As the sun shines brighter, the days grow longer and the nights shorter. Beaches become the hub of hustle and bustle as the revitalized ocean life catches the attention of locals and tourists alike. The slight drizzle accompanied by the occasional breeze soothes the scorching afternoons. With the transition into summer, the city brims with energy and warmth.

Temperature

May showcases a minor temperature ascent, adjusting from April's 76.5°F (24.7°C) to a still warm 82.8°F (28.2°C). Biloxi's temperature tends to fall to an average low of 69.4°F (20.8°C) during the nights of May.

Heat index

During May, the heat index is appraised at a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in May is 74%.

Rainfall

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

Snowfall

February through December are months without snowfall in Biloxi.

Ocean temperature

In Biloxi, the average seawater temperature in May is 77.5°F (25.3°C).
Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In Biloxi, the average length of the day in May is 13h and 42min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of May, in Biloxi, sunrise is at 5:53 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. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during May leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice! The reflection of water and sand increases the UV radiation significantly.
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Frequently asked questions

How hot is May in Biloxi?

The average high-temperature, in May, in Biloxi, is 82.8°F (28.2°C), while 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 89.6°F (32°C).

What is the average humidity in May in Biloxi?

In May, the average relative humidity is 74%.

How much does it rain in Biloxi in May?

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

When it does not snow in Biloxi?

February through December are months without snowfall.

How warm is the water in May in Biloxi?

In Biloxi, Mississippi, in May, the average water temperature 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?

In May, the average day length in Biloxi is 13h and 42min.

When is the sunrise / sunset in May in Biloxi?

On the first day of May in Biloxi, Mississippi, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:52 pm CDT.

How many hours of sunshine does Biloxi have in May?

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

When is the highest UV index in Biloxi?

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

What is the UV index intensity in May in Biloxi?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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
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 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: 10h and 4min

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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Biloxi, Mississippi, USA

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