Long Beach weather in December

In December, Long Beach sees average daytime highs of 60°F and overnight lows near 52°F, with 4.7 in of rain across 9.7 wet days and about 10.1 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 58°F by the end. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 h 06 min by month's end. Set against the rest of the year, December is Long Beach's 10th-clearest and 5th-windiest month. For the whole year in context, see Long Beach's year-round climate.

Daytime high
60°
10th warmest
Overnight low
52°
2nd coldest
Rainfall
4.7 in
9.7 wet days
Daylight
10 h 06 min
6:51 AM – 4:54 PM
Cloud cover
56%
10th clearest
Wind
11 mph
5th windiest
Solar energy
2.77 kWh/m²
Travel score
4.8
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 62°F in the first days to 58°F by the end.

A typical December day in Long Beach reaches about 60°F in the afternoon and slips back to 52°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 67°F. Set against its neighbours, December runs about 6°F cooler than November and about 3°F warmer than January.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16255
26255
36254
46254
56254
66154
76153
86153
96153
106153
116053
126053
136052
146052
156052
166052
175952
185952
195951
205951
215951
225951
235851
245851
255851
265851
275851
285850
295850
305850
315750

How December really feels in Long Beach

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35347
45248
55149
65149
75050
85050
94951
104951
114852
124852
134852
144852
154852
164852
174951
184852
194852
204852
214852
224753
234753
244654
254753
264555
274456
284555
294555
304456
314456

Chance of precipitation in December

Any precipitation

Long Beach gets around 4.7 in of rain over 9.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
530
630
730
830
930
1030
1131
1231
1331
1431
1531
1632
1732
1832
1932
2032
2133
2233
2333
2433
2533
2633
2733
2833
2933
3033
3133

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15718196
25718196
35917195
45917195
55917195
66116185
76116185
86216184
96316174
106316174
116316174
126416164
136516163
146616153
156715153
166715153
176815143
186815143
196815143
206915142
217015132
227015132
237015132
247016122
257016122
267016122
277116121
287117111
297117111
307117111
317018111

Wind in December

Winds average 11 mph in December.

Across December, daily wind ranges from about 11 mph on the calmest days to 12 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
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
2911light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:41 AM to 6:58 AM, and sunset from 4:52 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:414:52
210.26:424:52
310.26:424:52
410.16:434:52
510.16:444:52
610.16:454:52
710.16:454:52
810.16:464:52
910.16:474:52
1010.16:474:53
1110.16:484:53
1210.16:494:53
1310.16:494:53
1410.16:504:54
1510.16:514:54
1610.16:514:54
1710.06:524:55
1810.06:524:55
1910.06:534:55
2010.06:534:56
2110.06:544:56
2210.06:544:57
2310.06:554:57
2410.06:554:58
2510.06:564:58
2610.06:564:59
2710.06:574:59
2810.16:575:00
2910.16:575:01
3010.16:585:01
3110.16:585:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.77 kWh/m² — the year's lowest.

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 — December's 2.77 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Long Beach

In seasonPeak

None of Long Beach's seasonal hazards are active in December. 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 December a good time to visit Long Beach?

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

4.8
Sightseeing
8th-best month of the year
0.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Long Beach for sightseeing.

What to pack for Long Beach in December

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

In December, Long Beach sees daytime highs around 60°F and nights near 52°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Long Beach in December

The nearest coast averages about 61°F in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).