Cullman weather in December

In December, Cullman sees average daytime highs of 54°F and overnight lows near 37°F, with 5.1 in of precipitation across 10.6 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 56°F in the first days to 52°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 9 h 54 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Cullman's 11th-clearest and 5th-windiest month. For the whole year in context, see Cullman's year-round climate.

Daytime high
54°
11th warmest
Overnight low
37°
2nd coldest
Precipitation
5.1 in
10.6 wet days
Daylight
9 h 42 min
6:52 AM – 4:35 PM
Cloud cover
61%
11th clearest
Wind
7 mph
5th windiest
Solar energy
2.24 kWh/m²
Travel score
3.2
out of 10

Cullman is city and county seat of Cullman County, Alabama, United States.

Density
288/km²
people per km²
Founded
1873

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 56°F in the first days to 52°F by the end.

A typical December day in Cullman reaches about 54°F in the afternoon and slips back to 37°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 41°F and 66°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)
15739
25738
35638
45638
55638
65638
75538
85538
95537
105537
115437
125437
135437
145437
155437
165337
175337
185336
195336
205336
215336
225336
235336
245236
255236
265236
275236
285236
295236
305236
315235

How December really feels in Cullman

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 22 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
22
wind chill below the day's low

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

Cullman weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan51° / 34°5.0100.6102.6
Feb56° / 37°4.810.40.610.73.6
Mar64° / 44°5.4110.211.75.6
Apr72° / 52°4.810.2012.86.7
May80° / 61°4.010.8013.86.5
Jun86° / 68°4.012.7014.24.7
Jul88° / 71°4.214.10144.0
Aug88° / 70°3.011.8013.34.3
Sep83° / 64°3.47.4012.26.2
Oct73° / 52°3.47.3011.17.4
Nov62° / 42°4.08.70.110.25.6
Dec54° / 37°5.110.60.39.83.2

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 9% of December, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34555
44555
54456
64357
74357
84258
94258
104258
114357
124357
134258
144258
154258
164357
174357
184357
194357
204357
214456
224456
234357
244258
254258
264159
274060
284060
294060
304159
314060

Chance of precipitation in December

Any precipitation

Cullman gets around 5.1 in of rain and snow over 10.6 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 35% and peaks near 36% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
434
535
635
735
835
935
1035
1135
1235
1335
1435
1536
1636
1736
1836
1936
2035
2135
2235
2335
2435
2534
2634
2734
2834
2934
3034
3134

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 (%)
19073
29073
39073
49073
59073
69073
79172
89172
99172
109172
119172
129172
139361
149361
159361
169352
179352
189352
199442
209442
219442
229442
239433
249433
259433
269343
279343
289343
299343
309343
319343

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 54 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 12 minutes over December. Sunrise moves from 6:41 AM to 6:58 AM, and sunset from 4:34 PM to 4:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:414:34
29.96:414:34
39.96:424:34
49.86:434:34
59.86:444:34
69.86:454:34
79.86:454:34
89.86:464:34
99.86:474:34
109.86:484:34
119.86:484:34
129.86:494:34
139.76:504:35
149.76:504:35
159.76:514:35
169.76:524:35
179.76:524:36
189.76:534:36
199.76:534:37
209.76:544:37
219.76:544:37
229.76:554:38
239.76:554:38
249.76:564:39
259.76:564:39
269.76:574:40
279.76:574:41
289.76:574:41
299.76:584:42
309.76:584:42
319.76:584:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.24 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 6.12 kWh/m² in June across the year — December's 2.24 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
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 Cullman?

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

3.2
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 Cullman.

What to pack for Cullman in December

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

In December, Cullman sees daytime highs around 54°F and nights near 37°F. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Cullman 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 Cullman peaks around July 12 at about 10 (extreme) — 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 highVery highHighModerateJul 12UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Cullman 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 Cullman is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1719 µg/m³Jan 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug16Moderate
Sep11Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Cullman?

Cullman sits at 34.2°N, 86.8°W, 794 ft above sea level, in United States. The nearest listed city is Decatur, 31 mi away.

Topography around Cullman

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

Within 2 miles, the terrain around Cullman has only modest variations in elevation — a maximum elevation change of 331 ft around an average of 787 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 679 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,499 ft.

The land around Cullman is covered by trees (54%) and grassland (24%) within 2 miles, trees (58%) and grassland (34%) within 10 miles, and trees (71%) within 50 miles.

2 miles
331 ft
10 miles
679 ft
50 miles
1,499 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Decatur 31 mi · Dixiana 32 mi · Madison 37 mi · Albertville 37 mi · Center Point 38 mi · Trussville 40 mi · Huntsville 41 mi · Athens 44 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 Cullman (34.1748°, -86.8436°, elevation 794 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).