Horn Lake weather in December

In December, Horn Lake sees average daytime highs of 52°F and overnight lows near 36°F, with 5.1 in of precipitation across 9.6 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 55°F in the first days to 50°F by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Horn Lake's 10th-clearest and 5th-windiest month. For the whole year in context, see Horn Lake's year-round climate.

Daytime high
52°
11th warmest
Overnight low
36°
2nd coldest
Precipitation
5.1 in
9.6 wet days
Daylight
9 h 42 min
7:06 AM – 4:46 PM
Cloud cover
59%
10th clearest
Wind
7 mph
5th windiest
Solar energy
2.2 kWh/m²
Travel score
2.8
out of 10

Horn Lake is city in DeSoto County, Mississippi, United States.

Density
636/km²
people per km²
Founded
1973

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 55°F in the first days to 50°F by the end.

A typical December day in Horn Lake reaches about 52°F in the afternoon and slips back to 36°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 38°F and 66°F. Set against its neighbours, December runs about 9°F cooler than November and about 3°F warmer than January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15639
25538
35538
45538
55438
65438
75437
85337
95337
105337
115337
125337
135236
145236
155236
165236
175236
185236
195136
205136
215135
225135
235135
245135
255135
265035
275035
285035
295035
305035
315034

How December really feels in Horn Lake

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 25 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
25
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Horn Lake weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan49° / 33°4.19.60.89.92.2
Feb54° / 36°4.29.50.810.73.2
Mar63° / 44°5.111.60.411.75.2
Apr71° / 53°4.910.4012.96.6
May80° / 62°4.811.3013.86.4
Jun87° / 70°3.79.9014.34.7
Jul90° / 73°4.011.1014.13.9
Aug89° / 71°3.29.1013.34.3
Sep84° / 65°3.17.4012.26.1
Oct73° / 53°4.07.4011.17.4
Nov61° / 43°3.98.40.110.25.4
Dec52° / 36°5.19.60.39.72.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54654
64555
74555
84555
94555
104357
114456
124357
134456
144456
154357
164357
174357
184357
194357
204357
214456
224456
234456
244357
254357
264357
274357
284456
294555
304555
314456

Chance of precipitation in December

Any precipitationSnow

Horn Lake gets around 5.1 in of rain and snow over 9.6 wet days in December, the wettest month. 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 (%)Snow chance (%)
1311
2311
3311
4311
5311
6311
7311
8311
9311
10311
11311
12311
13321
14321
15321
16321
17331
18331
19331
20331
21331
22321
23321
24321
25321
26321
27321
28321
29321
30322
31312

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19082
29082
39073
49073
59073
69073
79163
89163
99163
109253
119253
129352
139442
149442
159442
169442
179442
189442
199442
209442
219442
229442
239442
249442
259442
269253
279253
289253
299253
309253
319253

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 9 h 48 min at the start of December to 9 h 42 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 6:55 AM to 7:13 AM, and sunset from 4:45 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:554:45
29.86:564:44
39.86:574:44
49.86:584:44
59.86:594:44
69.76:594:44
79.77:004:44
89.77:014:44
99.77:024:45
109.77:024:45
119.77:034:45
129.77:044:45
139.77:054:45
149.77:054:46
159.77:064:46
169.77:064:46
179.77:074:46
189.77:084:47
199.77:084:47
209.67:094:48
219.67:094:48
229.67:104:49
239.67:104:49
249.67:114:50
259.77:114:50
269.77:114:51
279.77:124:51
289.77:124:52
299.77:124:52
309.77:134:53
319.77:134:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 6.45 kWh/m² in June across the year — December's 2.2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Horn Lake?

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

2.8
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Horn Lake.

What to pack for Horn Lake in December

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

In December, Horn Lake sees daytime highs around 52°F and nights near 36°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Horn Lake in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Horn Lake peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Horn Lake 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 Horn Lake is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr10Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Horn Lake?

Horn Lake sits at 35.0°N, 90.0°W, 299 ft above sea level, in United States. The nearest listed city is Southaven, 2.5 mi away.

Topography around Horn Lake

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

Within 2 miles, the terrain around Horn Lake has only modest variations in elevation — a maximum elevation change of 174 ft around an average of 299 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 295 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 679 ft.

The land around Horn Lake is covered by trees (51%), grassland (26%) and artificial surfaces (20%) within 2 miles, trees (52%) within 10 miles, and trees (49%) and cropland (37%) within 50 miles.

2 miles
174 ft
10 miles
295 ft
50 miles
679 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Southaven 2.5 mi · New South Memphis 9.3 mi · Hernando 9.3 mi · Olive Branch 12 mi · Memphis 14 mi · Germantown 16 mi · West Memphis 16 mi · Bartlett 19 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 Horn Lake (34.9554°, -90.0348°, elevation 299 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).