Hunt Valley weather in December

In December, Hunt Valley sees average daytime highs of 44°F and overnight lows near 31°F, with 3.7 in of precipitation across 8.9 wet days and about 9.3 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 48°F in the first days to 42°F by the end. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 12 min by month's end. Set against the rest of the year, December is Hunt Valley's 6th-clearest and 5th-windiest month. For the whole year in context, see Hunt Valley's year-round climate.

Daytime high
44°
10th warmest
Overnight low
31°
3rd coldest
Precipitation
3.7 in
8.9 wet days
Daylight
9 h 12 min
7:26 AM – 4:39 PM
Cloud cover
61%
6th clearest
Wind
7 mph
5th windiest
Solar energy
1.88 kWh/m²
Travel score
0.9
out of 10

Hunt Valley is unincorporated community in Baltimore County, Maryland, United States.

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 48°F in the first days to 42°F by the end.

A typical December day in Hunt Valley reaches about 44°F in the afternoon and slips back to 31°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 32°F and 57°F. Set against its neighbours, December runs about 9°F cooler than November and about 4°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14935
24834
34834
44734
54733
64733
74633
84633
94632
104532
114532
124532
134431
144431
154431
164431
174431
184431
194431
204330
214330
224330
234330
244330
254330
264330
274229
284229
294229
304229
314229

How December really feels in Hunt Valley

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.

Hunt Valley weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 27°3.28.73.59.50.0
Feb43° / 28°2.98.83.710.40.6
Mar52° / 35°4.010.52.511.72.7
Apr64° / 45°3.710.70.3135.4
May73° / 55°3.912.1014.16.3
Jun82° / 64°4.011.9014.75.8
Jul86° / 69°4.412.2014.54.8
Aug83° / 67°4.011.1013.65.6
Sep76° / 60°4.89.8012.36.8
Oct65° / 48°3.78.30116.2
Nov54° / 38°3.17.80.39.83.4
Dec44° / 31°3.78.91.99.30.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54555
64555
74456
84456
94456
104357
114357
124357
134456
144456
154456
164456
174456
184654
194654
204654
214753
224654
234753
244753
254753
264753
274753
284753
294753
304654
314654

Chance of precipitation in December

Any precipitationSnow

Hunt Valley gets around 3.7 in of rain and snow over 8.9 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 29% and peaks near 31% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1303
2304
3304
4305
5305
6305
7316
8316
9317
10317
11317
12317
13317
14317
15317
16307
17307
18307
19297
20296
21286
22286
23276
24276
25276
26266
27266
28276
29277
30277
31277

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 7 mph in December.

Across December, daily wind ranges from about 7 mph on the calmest days to 8 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
247light breeze
257light breeze
267light breeze
277light breeze
287light breeze
297light breeze
308light breeze
318light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 12 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 7:14 AM to 7:32 AM, and sunset from 4:39 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:144:39
29.47:154:39
39.47:164:38
49.47:174:38
59.37:184:38
69.37:184:38
79.37:194:38
89.37:204:38
99.37:214:38
109.37:224:38
119.37:224:38
129.37:234:39
139.27:244:39
149.27:254:39
159.27:254:39
169.27:264:39
179.27:274:40
189.27:274:40
199.27:284:40
209.27:284:41
219.27:294:41
229.27:294:42
239.27:304:42
249.27:304:43
259.27:314:43
269.27:314:44
279.27:314:44
289.27:324:45
299.27:324:46
309.27:324:46
319.27:324:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.88 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 6.11 kWh/m² in June across the year — December's 1.88 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
12.0Moderate
22.0Dim
32.0Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Hunt Valley

In seasonPeak

None of Hunt Valley's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Hunt Valley sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Hunt Valley?

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

0.9
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Hunt Valley.

What to pack for Hunt Valley in December

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

In December, Hunt Valley sees daytime highs around 44°F and nights near 31°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Hunt Valley in December

The nearest coast averages about 44°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 78°F and coldest in February near 36°F.

It's comfortable for a long swim from Jun 16 to Oct 5 — about 3.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov53Bracing
Dec44Bracing

UV index in Hunt Valley 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 Hunt Valley peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Hunt Valley 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 Hunt Valley is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1417 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Hunt Valley?

Hunt Valley sits at 39.5°N, 76.6°W, 299 ft above sea level, in United States. The nearest listed city is Cockeysville, 1.2 mi away.

Topography around Hunt Valley

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

Within 2 miles, the terrain around Hunt Valley has only modest variations in elevation — a maximum elevation change of 423 ft around an average of 404 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 984 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,293 ft.

The land around Hunt Valley is covered by trees (68%) within 2 miles, trees (63%) and grassland (21%) within 10 miles, and trees (50%) within 50 miles.

2 miles
423 ft
10 miles
984 ft
50 miles
2,293 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cockeysville 1.2 mi · Lutherville-Timonium 4.3 mi · Towson 6.8 mi · Owings Mills 9.3 mi · Carney 9.3 mi · Pikesville 9.9 mi · Parkville 9.9 mi · Reisterstown 11 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 Hunt Valley (39.4998°, -76.6411°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).