Gulfport weather in May

In May, Gulfport sees average daytime highs of 78°F and overnight lows near 73°F, with 3.8 in of rain across 8.9 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 80°F by the end. The sky is clear or mostly clear about 51% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Gulfport's 3rd-clearest and 8th-windiest month. For the whole year in context, see Gulfport's year-round climate.

Daytime high
78°
5th warmest
Overnight low
73°
8th coldest
Rainfall
3.8 in
8.9 wet days
Daylight
13 h 30 min
5:07 AM – 6:38 PM
Cloud cover
43%
3rd clearest
Wind
11 mph
8th windiest
Solar energy
6.46 kWh/m²
Travel score
7.2
out of 10

Gulfport is city in Mississippi, USA.

Density
433/km²
people per km²
Founded
1887

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 75°F in the first days to 80°F by the end.

A typical May day in Gulfport reaches about 78°F in the afternoon and slips back to 73°F overnight — a 5°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 81°F. Set against its neighbours, May runs about 6°F warmer than April and about 5°F cooler than June.

60°70°80°151015202531
Avg high (°F)Avg low (°F)
17469
27469
37570
47570
57570
67671
77671
87671
97671
107672
117772
127772
137772
147773
157873
167873
177873
187873
197874
207874
217974
227974
237974
247975
257975
268075
278075
288076
298076
308076
318176

How May really feels in Gulfport

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gulfport weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 50°5.19.810.34.2
Feb60° / 53°4.88.810.94.9
Mar65° / 59°5.39.311.86.2
Apr71° / 65°4.27.512.77.2
May78° / 73°3.88.913.57.2
Jun83° / 78°5.413.613.95.6
Jul84° / 80°5.516.413.84.7
Aug84° / 80°6.416.913.14.7
Sep82° / 77°5.612.112.26.1
Oct75° / 69°3.77.711.37.5
Nov66° / 59°4.07.310.56.8
Dec60° / 53°4.69.710.15.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56535
66634
76634
86634
96634
106634
116634
126634
136634
146733
156733
166733
176832
186931
196931
206931
216832
226832
236832
246733
256733
266634
276535
286535
296436
306436
316337

Chance of precipitation in May

Any precipitation

Gulfport gets around 3.8 in of rain over 8.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
125
225
325
425
525
626
726
826
926
1026
1126
1226
1326
1426
1526
1626
1727
1827
1927
2028
2129
2229
2330
2432
2533
2634
2735
2836
2938
3039
3140

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
116111932221
215111931231
314101931251
414101931261
51391930281
61291830291
71291830311
81191829321
91081729341
101081729351
11981629361
12981529381
13881529391
14871429411
15871329421
16771329431
17771229441
18661129452
19661129472
20651029482
21551029492
2254929503
2344928523
2443928524
2533827554
2632826565
2722825576
2822724587
2911723608
3011722609
31117216010

Wind in May

Winds average 11 mph in May.

Across May, daily wind ranges from about 10 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:19 AM to 5:00 AM, and sunset from 6:28 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:196:28
213.25:186:29
313.25:176:30
413.25:166:30
513.35:156:31
613.35:146:32
713.35:136:32
813.35:136:33
913.45:126:34
1013.45:116:34
1113.45:106:35
1213.45:106:36
1313.55:096:36
1413.55:086:37
1513.55:076:38
1613.55:076:38
1713.55:066:39
1813.65:066:40
1913.65:056:40
2013.65:046:41
2113.65:046:42
2213.65:036:42
2313.75:036:43
2413.75:026:44
2513.75:026:44
2613.75:026:45
2713.75:016:45
2813.85:016:46
2913.85:006:47
3013.85:006:47
3113.85:006:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 6.46 kWh/m² in May across the year — May's 6.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Gulfport

In seasonPeak

None of Gulfport's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Gulfport sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Gulfport?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.2
Sightseeing
2nd-best month of the year
6.6
Beach & pool
1st-best month of the year

May is one of the better times to visit Gulfport for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gulfport in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Gulfport sees daytime highs around 78°F and nights near 73°F. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Gulfport in May

The nearest coast averages about 78°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 86°F and coldest in January near 57°F.

It's comfortable for a long swim from Apr 3 to Nov 14 — about 7.4 months when the water holds above 68°F.

50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan57Bracing
Feb59Bracing
Mar64Cool
Apr71Refreshing
May78Warm
Jun83Tropical
Jul85Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov67Cool
Dec61Cool

UV index in Gulfport in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gulfport peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 12UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Gulfport in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Gulfport is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1721 µg/m³Nov 206 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr9Good
May12Good
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep10Good
Oct6Good
Nov6Good
Dec6Good
Location & terrain

Where is Gulfport?

Gulfport sits at 30.4°N, 89.1°W, 20 ft above sea level, in United States. The nearest listed city is West Gulfport, 2.5 mi away.

Topography around Gulfport

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Gulfport.

Within 2 miles, the terrain around Gulfport has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 167 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 423 ft.

The land around Gulfport is covered by water (40%), trees (23%) and artificial surfaces (21%) within 2 miles, water (48%) and trees (32%) within 10 miles, and trees (46%) and water (42%) within 50 miles.

2 miles
66 ft
10 miles
167 ft
50 miles
423 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: West Gulfport 2.5 mi · Long Beach 3.7 mi · Biloxi 12 mi · Ocean Springs 16 mi · Gautier 29 mi · Pascagoula 32 mi · Slidell 42 mi · Tillmans Corner 57 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gulfport (30.3674°, -89.0928°, elevation 20 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).