Long Beach weather in May

In May, Long Beach sees average daytime highs of 78°F and overnight lows near 73°F, with 3.8 in of rain across 9.2 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 Long Beach's 3rd-clearest and 7th-windiest month. For the whole year in context, see Long Beach's year-round climate.

Daytime high
78°
5th warmest
Overnight low
73°
8th coldest
Rainfall
3.8 in
9.2 wet days
Daylight
13 h 30 min
5:07 AM – 6:39 PM
Cloud cover
44%
3rd clearest
Wind
10 mph
7th windiest
Solar energy
6.42 kWh/m²
Travel score
7.2
out of 10

Long Beach is city in Mississippi, United States.

Density
578/km²
people per km²
Founded
1905

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 Long Beach 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 7°F warmer than April and about 5°F cooler than June.

60°70°80°151015202531
Avg high (°F)Avg low (°F)
17469
27569
37569
47570
57670
67670
77671
87671
97671
107771
117771
127772
137772
147872
157872
167873
177873
187873
197973
207974
217974
227974
237974
248074
258075
268075
278075
288075
298076
308176
318176

How May really feels in Long Beach

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.

Long Beach 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° / 49°5.29.910.34.1
Feb60° / 52°4.99.310.94.8
Mar65° / 58°5.49.211.86.2
Apr71° / 65°4.27.812.77.1
May78° / 73°3.89.213.57.2
Jun83° / 78°5.51413.95.5
Jul85° / 80°5.516.813.84.6
Aug85° / 80°6.316.813.14.6
Sep82° / 76°5.612.612.26.0
Oct75° / 68°3.77.511.37.6
Nov66° / 58°4.07.510.56.7
Dec60° / 52°4.79.710.14.8

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 (%)
16733
26733
36733
46535
56535
66535
76535
86535
96436
106436
116535
126634
136634
146634
156634
166634
176733
186733
196832
206832
216733
226733
236733
246733
256634
266634
276535
286436
296337
306337
316337

Chance of precipitation in May

Any precipitation

Long Beach gets around 3.8 in of rain over 9.2 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 30% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
126
227
327
427
527
627
726
826
926
1026
1126
1226
1326
1427
1527
1627
1727
1828
1928
2029
2129
2230
2331
2433
2534
2635
2736
2838
2939
3040
3141

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 42% 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 (%)
116121931220
215111931230
314111931251
414101930261
513101930281
61291930291
71291830311
81191829321
91181729331
101081729351
111081629361
12981529371
13981529391
14871430401
15871330411
16771230421
17771230431
18761130452
19661030462
20651030472
2155930482
2254930493
2344829523
2443829533
2533828544
2633827545
2722726585
2822725586
2911724607
3011723608
3111722609

Wind in May

Winds average 10 mph in May.

Across May, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light 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 6:29 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:196:29
213.25:186:29
313.25:176:30
413.25:166:31
513.35:156:31
613.35:156:32
713.35:146:33
813.35:136:33
913.45:126:34
1013.45:116:35
1113.45:116:35
1213.45:106:36
1313.55:096:37
1413.55:086:37
1513.55:086:38
1613.55:076:39
1713.55:066:39
1813.65:066:40
1913.65:056:41
2013.65:056:41
2113.65:046:42
2213.65:046:43
2313.75:036:43
2413.75:036:44
2513.75:026:44
2613.75:026:45
2713.75:016:46
2813.85:016:46
2913.85:016:47
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 6.42 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.77 kWh/m² to a high of 6.42 kWh/m² in May across the year — May's 6.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Long Beach

In seasonPeak

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

Long Beach 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 Long Beach?

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 Long Beach for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Long Beach in May

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

In May, Long Beach 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 Long Beach 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 Long Beach 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 Long Beach 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 Long Beach 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 Long Beach 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 Long Beach?

Long Beach sits at 30.4°N, 89.2°W, 26 ft above sea level, in United States. The nearest listed city is Gulfport, 3.7 mi away.

Topography around Long Beach

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

Within 2 miles, the terrain around Long Beach has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 20 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 187 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 427 ft.

The land around Long Beach is covered by water (35%) and trees (32%) within 2 miles, water (50%) and trees (31%) within 10 miles, and trees (45%) and water (43%) within 50 miles.

2 miles
69 ft
10 miles
187 ft
50 miles
427 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
May weather nearby: Gulfport 3.7 mi · West Gulfport 5.0 mi · Biloxi 16 mi · Ocean Springs 20 mi · Gautier 32 mi · Pascagoula 35 mi · Slidell 38 mi · Chalmette 56 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 Long Beach (30.3505°, -89.1528°, elevation 26 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).