La Porte weather in December

In December, La Porte sees average daytime highs of 64°F and overnight lows near 47°F, with 4.4 in of precipitation across 10 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 62°F by the end. The sky is clear or mostly clear about 32% 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 La Porte's 11th-clearest and 6th-windiest month. For the whole year in context, see La Porte's year-round climate.

Daytime high
64°
11th warmest
Overnight low
47°
2nd coldest
Precipitation
4.4 in
10 wet days
Daylight
10 h 06 min
7:13 AM – 5:19 PM
Cloud cover
60%
11th clearest
Wind
8 mph
6th windiest
Solar energy
2.59 kWh/m²
Travel score
5.8
out of 10

La Porte is city in Harris County, Texas, U.S..

Density
678/km²
people per km²

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 67°F in the first days to 62°F by the end.

A typical December day in La Porte reaches about 64°F in the afternoon and slips back to 47°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 76°F. Set against its neighbours, December runs about 7°F cooler than November and about 2°F warmer than January.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16749
26749
36749
46649
56649
66648
76648
86548
96548
106548
116547
126547
136547
146447
156447
166447
176447
186447
196446
206446
216346
226346
236346
246346
256346
266346
276246
286246
296246
306246
316245

How December really feels in La Porte

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.

La Porte weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 45°4.31010.35.5
Feb66° / 49°3.48.910.96.1
Mar72° / 55°3.99.611.86.8
Apr78° / 61°3.88.912.76.9
May84° / 69°3.810.413.55.5
Jun89° / 75°4.714.213.93.8
Jul91° / 76°3.91413.73.3
Aug91° / 76°4.514.513.13.1
Sep88° / 71°5.112.512.24.4
Oct81° / 62°4.38.911.36.8
Nov71° / 53°4.38.710.56.9
Dec64° / 47°4.41010.15.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34753
44753
54753
64753
74654
84654
94654
104555
114654
124753
134852
144852
154852
164951
174852
184852
194753
204753
214753
224753
234654
244654
254456
264357
274357
284357
294357
304258
314258

Chance of precipitation in December

Any precipitation

La Porte gets around 4.4 in of rain and snow over 10 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 32% and peaks near 33% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
533
633
733
833
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2333
2432
2532
2632
2731
2831
2931
3030
3130

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1621212131
2621212131
3631112131
4631112131
5651111121
6651111121
7641211121
8651211111
9651211111
10661211101
11661211101
1266121291
1366121291
1466121291
1567121281
1667121281
1768121271
1869111271
1969111271
2069111271
2171101261
2271101261
2371101261
247291261
257291261
267381261
277481260
287481260
297581160
307581160
317581160

Wind in December

Winds average 8 mph in December.

Across December, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light 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 7:03 AM to 7:20 AM, and sunset from 5:17 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:035:17
210.27:045:17
310.27:045:17
410.27:055:17
510.27:065:17
610.27:075:17
710.27:075:17
810.27:085:17
910.17:095:18
1010.17:095:18
1110.17:105:18
1210.17:115:18
1310.17:115:18
1410.17:125:19
1510.17:125:19
1610.17:135:19
1710.17:145:20
1810.17:145:20
1910.17:155:21
2010.17:155:21
2110.17:165:21
2210.17:165:22
2310.17:175:22
2410.17:175:23
2510.17:185:23
2610.17:185:24
2710.17:185:24
2810.17:195:25
2910.17:195:26
3010.17:195:26
3110.17:205:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.15 kWh/m² in July across the year — December's 2.59 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for La Porte

In seasonPeak

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

La Porte 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 La Porte?

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

5.8
Sightseeing
6th-best month of the year
2.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit La Porte for sightseeing.

What to pack for La Porte in December

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

In December, La Porte sees daytime highs around 64°F and nights near 47°F. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near La Porte in December

The nearest coast averages about 62°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 mi away) is warmest in August at about 86°F and coldest in January near 58°F.

It's comfortable for a long swim from Apr 4 to Nov 21 — about 7.6 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb59Cool
Mar64Cool
Apr71Refreshing
May78Warm
Jun83Tropical
Jul85Tropical
Aug86Tropical
Sep84Tropical
Oct78Warm
Nov69Refreshing
Dec62Cool

UV index in La Porte 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 La Porte peaks around July 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 20UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in La Porte 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 La Porte is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1523 µg/m³Dec 2010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Moderate
Apr12Moderate
May16Moderate
Jun20Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is La Porte?

La Porte sits at 29.7°N, 95.0°W, 20 ft above sea level, in United States. The nearest listed city is Baytown, 5.6 mi away.

Topography around La Porte

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

Within 2 miles, the terrain around La Porte has only modest variations in elevation — a maximum elevation change of 52 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 118 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 292 ft.

The land around La Porte is covered by artificial surfaces (27%), trees (24%) and water (23%) within 2 miles, water (32%), trees (26%) and artificial surfaces (20%) within 10 miles, and trees (35%), water (25%) and grassland (21%) within 50 miles.

2 miles
52 ft
10 miles
118 ft
50 miles
292 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Baytown 5.6 mi · Deer Park 6.8 mi · Channelview 9.3 mi · Pasadena 12 mi · League City 12 mi · Cloverleaf 12 mi · South Houston 13 mi · Dickinson 14 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 La Porte (29.6658°, -95.0194°, 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).