Monroe weather in December

In December, Monroe sees average daytime highs of 59°F and overnight lows near 41°F, with 4.7 in of rain across 9.7 wet days and about 9.9 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 61°F in the first days to 57°F by the end. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Monroe's 11th-clearest and 5th-windiest month. For the whole year in context, see Monroe's year-round climate.

Daytime high
59°
11th warmest
Overnight low
41°
2nd coldest
Rainfall
4.7 in
9.7 wet days
Daylight
9 h 54 min
7:08 AM – 5:01 PM
Cloud cover
58%
11th clearest
Wind
7 mph
5th windiest
Solar energy
2.4 kWh/m²
Travel score
4.5
out of 10

Monroe is parish seat of Ouachita Parish, Louisiana, United States.

Density
582/km²
people per km²
Founded
1785

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 61°F in the first days to 57°F by the end.

A typical December day in Monroe reaches about 59°F in the afternoon and slips back to 41°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 72°F. Set against its neighbours, December runs about 8°F cooler than November and about 2°F warmer than January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16243
26242
36142
46142
56142
66042
76042
86042
96041
105941
115941
125941
135941
145941
155841
165840
175840
185840
195840
205840
215840
225840
235740
245740
255740
265740
275740
285739
295739
305639
315639

How December really feels in Monroe

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.

Monroe weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 39°4.89.910.14.0
Feb61° / 42°4.89.510.85.0
Mar69° / 49°5.010.811.86.3
Apr76° / 56°5.49.312.87.0
May83° / 65°3.710.713.65.8
Jun89° / 72°3.811.414.14.0
Jul92° / 75°2.911.513.93.2
Aug92° / 74°3.29.713.23.3
Sep88° / 68°3.67.312.25.0
Oct78° / 57°4.47.711.27.3
Nov67° / 47°3.88.110.36.6
Dec59° / 41°4.79.79.94.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44753
54555
64555
74555
84456
94456
104357
114456
124456
134456
144456
154456
164555
174654
184654
194654
204654
214555
224555
234555
244555
254555
264654
274555
284555
294555
304555
314555

Chance of precipitation in December

Any precipitation

Monroe 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
330
430
530
631
731
831
932
1032
1132
1232
1333
1433
1533
1634
1734
1834
1934
2034
2134
2233
2333
2433
2533
2633
2732
2832
2932
3032
3131

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1791182
2791182
3801082
4801082
5801082
681982
781982
882882
982882
1082882
1184772
1284772
1384772
1484772
1584772
1685762
1785762
1885762
1985762
2085762
2186752
2286752
2386752
2485852
2585852
2685861
2785861
2885861
2985861
3084961
3184961

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 hours at the start of December to 9 h 54 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 6:58 AM to 7:15 AM, and sunset from 4:59 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.06:584:59
210.06:584:59
310.06:594:59
410.07:004:59
510.07:014:59
610.07:024:59
79.97:024:59
89.97:034:59
99.97:044:59
109.97:054:59
119.97:055:00
129.97:065:00
139.97:075:00
149.97:075:00
159.97:085:01
169.97:085:01
179.97:095:01
189.97:105:02
199.97:105:02
209.97:115:02
219.97:115:03
229.97:125:03
239.97:125:04
249.97:135:04
259.97:135:05
269.97:135:05
279.97:145:06
289.97:145:06
299.97:145:07
309.97:155:08
319.97:155:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 6.35 kWh/m² in July across the year — December's 2.4 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Is December a good time to visit Monroe?

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

4.5
Sightseeing
8th-best month of the year
0.2
Beach & pool
11th-best month of the year

December is a reasonable time to visit Monroe for sightseeing.

What to pack for Monroe in December

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

In December, Monroe sees daytime highs around 59°F and nights near 41°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Monroe in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monroe peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Very high
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Monroe 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 Monroe is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1623 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr11Good
May15Moderate
Jun19Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Monroe?

Monroe sits at 32.5°N, 92.1°W, 75 ft above sea level, in United States. The nearest listed city is Ruston, 30 mi away.

Topography around Monroe

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

Within 2 miles, the terrain around Monroe has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 82 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 226 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 525 ft.

The land around Monroe is covered by trees (38%), artificial surfaces (30%) and grassland (23%) within 2 miles, trees (65%) within 10 miles, and trees (71%) within 50 miles.

2 miles
102 ft
10 miles
226 ft
50 miles
525 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ruston 30 mi · El Dorado 58 mi · Vicksburg 73 mi · Natchitoches 76 mi · Natchez 78 mi · Alexandria 85 mi · Greenville 88 mi · Bossier City 94 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 Monroe (32.5093°, -92.1193°, elevation 75 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. 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).