May weather forecast
Gulfport, MS

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Inlets in the Gulfport, Mississippi, with a clear far view of the rest of the seaside city
Inlets in the Gulfport, Mississippi, with a clear far view of the rest of the seaside city

Weather in May

May matures into full-blown spring in Gulfport, with temperatures following an upward trend. The city observes an increase in daylight hours, shifting from April's 12.9 hours to May's 13.7 hours. Though it experiences a slight uptick in rainfall at 2.95" (75mm), the city's vibrant greenery comes alive under the sunlight. The captivating Mississippi landscapes, combined with the delightful weather, attract nature lovers and tourists alike in May.

Temperature

The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from 76.3°F (24.6°C) to a still moderately hot 82.8°F (28.2°C). Throughout May, Gulfport witnesses a nighttime temperature average of 69.4°F (20.8°C).

Heat index

May's mean heat index is computed to be a tropical 89.6°F (32°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

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

Rainfall

In Gulfport, Mississippi, during May, the rain falls for 14.2 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Gulfport, during the entire year, the rain falls for 184.5 days and collects up to 43.62" (1108mm) of precipitation.

Snowfall

In Gulfport, snow does not fall in February through December.

Ocean temperature

In May, the average ocean temperature is 77.5°F (25.3°C).
Note: Swimming, diving, and similar water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In Gulfport, the average length of the day in May is 13h and 42min.
On the first day of May in Gulfport, sunrise is at 6:12 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:53 pm CDT.

Sunshine

The average sunshine in May is 10.6h.

UV index

The months with the highest UV index in Gulfport are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! Sand and water increase UV exposure due to their reflective properties.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Gulfport during May?

In Gulfport, 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. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in May in Gulfport?

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

How much does it rain in Gulfport in May?

In Gulfport, Mississippi, in May, during 14.2 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Gulfport?

February through December are months without snowfall in Gulfport.

What is the ocean temperature in May in Gulfport?

In Gulfport, Mississippi, the average seawater temperature in May is 77.5°F (25.3°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

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

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

When are sunrise and sunset in May in Gulfport?

On the first day of May, sunrise is at 6:12 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:53 pm CDT.

How many hours of sunshine does Gulfport have in May?

In Gulfport, Mississippi, the average sunshine duration in May is 10.6h.

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

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

What is the UV index intensity in May in Gulfport?

In Gulfport, Mississippi, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes 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
Gulfport, MS

Average temperature in May - Gulfport, MS
  • Average high temperature in May: 82.8°F

The warmest month (with the highest average high temperature) is July (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).

Average pressure in May
Gulfport, MS

Average pressure in May - Gulfport, 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).

Average wind speed in May
Gulfport, MS

Average wind speed in May - Gulfport, MS
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in May
Gulfport, MS

Average humidity in May - Gulfport, 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%).

Average rainfall in May
Gulfport, MS

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

The wettest month (with the highest rainfall) is August (6.89").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in May
Gulfport, MS

Average rainfall days in May - Gulfport, MS
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in May
Gulfport, MS

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

The month with the highest snowfall is January (0.31").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Gulfport, MS

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

Average sea temperature in May
Gulfport, MS

Average sea temperature in May - Gulfport, 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 (56.8°F).

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

Average daylight in May / Average sunshine in May - Gulfport, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in May
Gulfport, MS

Average sunshine days in May - Gulfport, MS
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (4.4 days).

Average UV index in May
Gulfport, MS

Average UV index in May - Gulfport, 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 and December (UV index 4).

Average cloud cover in May
Gulfport, MS

Average cloud cover in May - Gulfport, 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).

Average visibility in May
Gulfport, MS

Average visibility in May - Gulfport, 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).

Gulfport, Mississippi, USA

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