Prairieville weather in December

In December, Prairieville sees average daytime highs of 64°F and overnight lows near 46°F, with 4.1 in of precipitation across 8.9 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 66°F in the first days to 62°F by the end. The sky is clear or mostly clear about 34% 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 Prairieville's 9th-clearest and 5th-windiest month. For the whole year in context, see Prairieville's year-round climate.

Daytime high
64°
11th warmest
Overnight low
46°
2nd coldest
Precipitation
4.1 in
8.9 wet days
Daylight
10 h 06 min
6:58 AM – 5:02 PM
Cloud cover
57%
9th clearest
Wind
7 mph
5th windiest
Solar energy
2.67 kWh/m²
Travel score
5.9
out of 10

Prairieville is unincorporated suburban community and census-designated place in Ascension Parish, Louisiana, United States.

Density
470/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 66°F in the first days to 62°F by the end.

A typical December day in Prairieville reaches about 64°F in the afternoon and slips back to 46°F overnight — a 18°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.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16747
26747
36647
46647
56647
66647
76547
86546
96546
106546
116546
126446
136446
146446
156446
166446
176446
186446
196345
206345
216345
226345
236345
246345
256245
266245
276245
286245
296245
306245
316245

How December really feels in Prairieville

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.

Prairieville weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°4.79.310.35.4
Feb66° / 47°4.48.810.96.1
Mar72° / 53°4.49.711.86.8
Apr78° / 59°4.48.712.77.0
May85° / 67°4.29.713.55.5
Jun89° / 73°4.914.613.93.8
Jul90° / 75°5.617.713.83.2
Aug90° / 74°5.517.213.13.2
Sep87° / 70°4.211.912.24.6
Oct80° / 60°3.6811.37.1
Nov71° / 51°3.57.610.57.1
Dec64° / 46°4.18.910.15.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35149
45149
55050
64951
74951
84852
94852
104852
114852
124852
134852
144852
154852
164852
174852
184852
194852
204753
214753
224753
234654
244654
254555
264555
274456
284456
294456
304357
314357

Chance of precipitation in December

Any precipitation

Prairieville gets around 4.1 in of rain and snow over 8.9 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 29% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2130
2230
2330
2430
2530
2630
2730
2830
2930
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 70% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
166121381
266121381
366121381
466121381
566121381
667121281
767121281
868121280
968121280
1069121180
1169121180
1270121170
1370121170
1470121170
1571121070
1671121070
1771121070
1871121070
1970121071
207212961
217212961
227311961
237311961
247311961
257311961
267311961
277311961
287311961
297410961
307410961
317410961

Wind in December

Winds average 7 mph in December.

Across December, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:48 AM to 7:05 AM, and sunset from 4:59 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.26:484:59
210.26:494:59
310.26:504:59
410.16:504:59
510.16:514:59
610.16:524:59
710.16:535:00
810.16:535:00
910.16:545:00
1010.16:555:00
1110.16:555:00
1210.16:565:01
1310.16:575:01
1410.16:575:01
1510.16:585:01
1610.16:585:02
1710.16:595:02
1810.07:005:02
1910.07:005:03
2010.07:015:03
2110.07:015:04
2210.07:025:04
2310.07:025:05
2410.07:025:05
2510.07:035:06
2610.07:035:06
2710.17:045:07
2810.17:045:07
2910.17:045:08
3010.17:055:09
3110.17:055:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.67 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 6.18 kWh/m² in May across the year — December's 2.67 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.9Moderate
42.9Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
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 Prairieville

In seasonPeak

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

Prairieville 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 Prairieville?

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

5.9
Sightseeing
6th-best month of the year
1.9
Beach & pool
11th-best month of the year

December is a reasonable time to visit Prairieville for sightseeing.

What to pack for Prairieville in December

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

In December, Prairieville sees daytime highs around 64°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Prairieville 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 at the nearest coast (about 38 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 5 to Nov 14 — about 7.4 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar64Cool
Apr71Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov67Cool
Dec61Cool

UV index in Prairieville 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 Prairieville peaks around July 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 10UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Prairieville 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 Prairieville is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Jan 199 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun20Moderate
Jul23Moderate
Aug19Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Prairieville?

Prairieville sits at 30.3°N, 91.0°W, 23 ft above sea level, in United States. The nearest listed city is Shenandoah, 6.8 mi away.

Topography around Prairieville

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

Within 2 miles, the terrain around Prairieville has only modest variations in elevation — a maximum elevation change of 89 ft around an average of 30 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 180 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 433 ft.

The land around Prairieville is covered by trees (52%) and grassland (31%) within 2 miles, trees (60%) and grassland (23%) within 10 miles, and trees (67%) within 50 miles.

2 miles
89 ft
10 miles
180 ft
50 miles
433 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Shenandoah 6.8 mi · Baton Rouge 16 mi · Central 18 mi · Zachary 26 mi · Hammond 34 mi · Laplace 34 mi · Kenner 48 mi · Bayou Cane 48 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 Prairieville (30.303°, -90.972°, elevation 23 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).