Smyrna weather in December

In December, Smyrna sees average daytime highs of 51°F and overnight lows near 35°F, with 5.1 in of precipitation across 10.8 wet days and about 9.6 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 53°F in the first days to 48°F by the end. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Smyrna's 11th-clearest and 5th-windiest month. For the whole year in context, see Smyrna's year-round climate.

Daytime high
51°
11th warmest
Overnight low
35°
3rd coldest
Precipitation
5.1 in
10.8 wet days
Daylight
9 h 36 min
6:55 AM – 4:29 PM
Cloud cover
65%
11th clearest
Wind
7 mph
5th windiest
Solar energy
2 kWh/m²
Travel score
2.3
out of 10

Smyrna is town in Rutherford County, Tennessee, United States.

Density
543/km²
people per km²
Founded
1855

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 53°F in the first days to 48°F by the end.

A typical December day in Smyrna reaches about 51°F in the afternoon and slips back to 35°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 37°F and 64°F. Set against its neighbours, December runs about 9°F cooler than November and about 3°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
15437
25437
35337
45337
55336
65236
75236
85236
95136
105135
115135
125135
135135
145135
155035
165035
175035
185034
195034
204934
214934
224934
234934
244934
254934
264934
274934
284833
294833
304833
314833

How December really feels in Smyrna

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

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

Smyrna 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
Jan47° / 32°4.310.51.49.81.6
Feb52° / 34°4.710.51.610.62.6
Mar60° / 41°5.111.40.811.74.8
Apr70° / 50°5.011012.96.3
May78° / 60°4.812.3013.96.4
Jun85° / 68°4.113014.44.8
Jul88° / 71°4.313.2014.24.1
Aug88° / 69°3.310.5013.44.5
Sep82° / 62°3.38.3012.26.3
Oct71° / 51°3.480.111.17.1
Nov59° / 41°3.990.210.14.9
Dec51° / 35°5.110.80.79.62.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44258
54060
64060
73862
83862
93763
103763
113763
123565
133565
143565
153565
163565
173565
183565
193664
203664
213664
223664
233664
243763
253763
263664
273664
283763
293763
303763
313763

Chance of precipitation in December

Any precipitationSnow

Smyrna gets around 5.1 in of rain and snow over 10.8 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 35% and peaks near 36% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1351
2352
3352
4352
5362
6362
7362
8362
9362
10362
11362
12362
13362
14362
15362
16362
17362
18362
19362
20362
21362
22363
23353
24353
25353
26353
27353
28343
29343
30344
31344

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19451
29451
39361
49361
59361
69361
79361
89361
99451
109451
119451
129451
139451
149541
159541
169541
179541
189631
199631
209631
219631
229631
239631
249541
259541
269541
279541
289451
299451
309451
319451

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 42 min at the start of December to 9 h 36 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 6:44 AM to 7:02 AM, and sunset from 4:28 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:444:28
29.76:454:28
39.76:464:28
49.76:464:28
59.76:474:28
69.76:484:28
79.66:494:28
89.66:504:28
99.66:504:28
109.66:514:28
119.66:524:28
129.66:534:28
139.66:534:28
149.66:544:29
159.66:554:29
169.66:554:29
179.66:564:30
189.66:564:30
199.66:574:30
209.66:574:31
219.66:584:31
229.66:584:32
239.66:594:32
249.66:594:33
259.67:004:33
269.67:004:34
279.67:004:34
289.67:014:35
299.67:014:36
309.67:014:36
319.67:024:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2 kWh/m² to a high of 6.19 kWh/m² in June across the year — December's 2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Dim
112.0Dim
122.0Dim
132.0Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
182.0Dim
192.0Dim
202.0Dim
212.0Dim
222.0Dim
232.0Dim
242.0Dim
252.0Dim
262.0Moderate
272.0Moderate
282.0Moderate
292.0Moderate
302.0Moderate
312.0Moderate
Planning a trip in December

Is December a good time to visit Smyrna?

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

2.3
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 Smyrna.

What to pack for Smyrna in December

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

In December, Smyrna sees daytime highs around 51°F and nights near 35°F. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Smyrna in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Smyrna peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 13UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Smyrna 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 Smyrna is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr10Good
May13Moderate
Jun15Moderate
Jul18Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Smyrna?

Smyrna sits at 36.0°N, 86.5°W, 545 ft above sea level, in United States. The nearest listed city is La Vergne, 4.3 mi away.

Topography around Smyrna

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

Within 2 miles, the terrain around Smyrna has only modest variations in elevation — a maximum elevation change of 276 ft around an average of 558 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 797 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,919 ft.

The land around Smyrna is covered by trees (38%), grassland (31%) and artificial surfaces (27%) within 2 miles, trees (57%) and grassland (25%) within 10 miles, and trees (61%) and grassland (28%) within 50 miles.

2 miles
276 ft
10 miles
797 ft
50 miles
1,919 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: La Vergne 4.3 mi · Murfreesboro 12 mi · Brentwood Estates 15 mi · Mount Juliet 15 mi · Brentwood 15 mi · Hermitage 16 mi · Nashville 19 mi · Franklin 20 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 Smyrna (35.9828°, -86.5186°, elevation 545 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).