Millbrook weather in December

In December, Millbrook sees average daytime highs of 59°F and overnight lows near 40°F, with 4.6 in of precipitation across 10.1 wet days and about 9.9 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 57°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 hours at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Millbrook's 10th-clearest and 4th-windiest month. For the whole year in context, see Millbrook's year-round climate.

Daytime high
59°
11th warmest
Overnight low
40°
2nd coldest
Precipitation
4.6 in
10.1 wet days
Daylight
9 h 54 min
6:45 AM – 4:38 PM
Cloud cover
59%
10th clearest
Wind
7 mph
4th windiest
Solar energy
2.45 kWh/m²
Travel score
4.7
out of 10

Millbrook is city in Autauga and Elmore counties, Alabama, United States of America.

Density
451/km²
people per km²
Founded
1979

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 62°F in the first days to 57°F by the end.

A typical December day in Millbrook reaches about 59°F in the afternoon and slips back to 40°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 71°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)
16342
26242
36242
46242
56242
66142
76142
86141
96041
106041
116041
126041
136041
145941
155940
165940
175940
185940
195840
205840
215840
225840
235840
245840
255840
265840
275740
285740
295740
305739
315739

How December really feels in Millbrook

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.

Millbrook 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 daysDaylight (hours)Travel score
Jan57° / 38°4.51010.14.1
Feb61° / 41°4.59.610.85.1
Mar69° / 47°4.69.711.86.5
Apr76° / 54°3.98.512.87.1
May83° / 63°3.18.913.66.0
Jun89° / 71°3.611.514.14.0
Jul91° / 74°3.914.413.93.2
Aug91° / 73°3.31313.23.4
Sep87° / 68°2.97.912.25.0
Oct77° / 56°2.96.711.27.5
Nov67° / 46°4.07.410.36.8
Dec59° / 40°4.610.19.94.7

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 11% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
24951
34852
44753
54654
64654
74654
84555
94456
104456
114456
124456
134555
144555
154555
164555
174555
184555
194555
204456
214456
224456
234456
244357
254456
264456
274456
284456
294456
304357
314456

Chance of precipitation in December

Any precipitation

Millbrook gets around 4.6 in of rain and snow over 10.1 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 33% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
128
229
329
430
530
630
731
831
932
1032
1133
1233
1333
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2534
2634
2734
2834
2934
3033
3133

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 (%)
1801262
2811162
3821152
4821152
5831151
6831151
7831151
8831151
9831151
10831151
11831151
12831151
13841051
14851050
15851050
1686950
1785960
1885861
1985861
2085861
2185861
2286761
2386761
2486761
2586761
2686761
2786761
2886761
2986761
3086761
3185861

Wind in December

Winds average 7 mph in December.

Across December, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
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 6:35 AM to 6:52 AM, and sunset from 4:36 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.06:354:36
210.06:354:36
310.06:364:36
410.06:374:36
510.06:384:36
610.06:394:36
79.96:394:36
89.96:404:36
99.96:414:36
109.96:414:36
119.96:424:37
129.96:434:37
139.96:434:37
149.96:444:37
159.96:454:38
169.96:454:38
179.96:464:38
189.96:464:39
199.96:474:39
209.96:484:39
219.96:484:40
229.96:494:40
239.96:494:41
249.96:494:41
259.96:504:42
269.96:504:42
279.96:514:43
289.96:514:44
299.96:514:44
309.96:524:45
319.96:524:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.45 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 6.27 kWh/m² in May across the year — December's 2.45 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
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 Millbrook?

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

4.7
Sightseeing
8th-best month of the year
0.4
Beach & pool
11th-best month of the year

December is a reasonable time to visit Millbrook for sightseeing.

What to pack for Millbrook in December

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

In December, Millbrook sees daytime highs around 59°F and nights near 40°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Millbrook 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 Millbrook peaks around July 15 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 15UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr8Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Millbrook 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 Millbrook is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1820 µg/m³Jan 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May12Good
Jun16Moderate
Jul20Moderate
Aug18Moderate
Sep14Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Millbrook?

Millbrook sits at 32.5°N, 86.4°W, 190 ft above sea level, in United States. The nearest listed city is Prattville, 5.6 mi away.

Topography around Millbrook

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

Within 2 miles, the terrain around Millbrook has only modest variations in elevation — a maximum elevation change of 289 ft around an average of 217 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 554 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,434 ft.

The land around Millbrook is covered by trees (69%) and grassland (22%) within 2 miles, trees (61%) and grassland (24%) within 10 miles, and trees (82%) within 50 miles.

2 miles
289 ft
10 miles
554 ft
50 miles
1,434 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Prattville 5.6 mi · Montgomery 8.7 mi · Selma 39 mi · Troy 52 mi · Auburn 52 mi · Opelika 58 mi · Alabaster 59 mi · Pelham 62 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 Millbrook (32.4799°, -86.3619°, elevation 190 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).