South Bel Air weather in January

In January, South Bel Air sees average daytime highs of 40°F and overnight lows near 29°F, with 3.1 in of precipitation across 8.6 wet days and about 9.5 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 40°F through the month. The sky is clear or mostly clear about 31% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of January to 9 h 54 min by month's end. Set against the rest of the year, January is South Bel Air's 7th-clearest and 2nd-windiest month. For the whole year in context, see South Bel Air's year-round climate.

Daytime high
40°
12th warmest
Overnight low
29°
1st coldest
Precipitation
3.1 in
8.6 wet days
Daylight
9 h 30 min
7:30 AM – 5:00 PM
Cloud cover
60%
7th clearest
Wind
8 mph
2nd windiest
Solar energy
2.2 kWh/m²
Travel score
0.1
out of 10

South Bel Air is human settlement in United States of America.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 40°F through the month.

A typical January day in South Bel Air reaches about 40°F in the afternoon and slips back to 29°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 28°F and 53°F. Set against its neighbours, January runs about 5°F cooler than December and about 3°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14231
24231
34231
44230
54230
64230
74130
84130
94129
104129
114129
124129
134029
144029
154028
164028
174028
184028
194028
204028
214027
224027
234027
244027
254027
264027
274027
284027
294027
304028
314028

How January really feels in South Bel Air

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

South Bel Air weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 29°3.18.63.19.50.1
Feb43° / 30°2.88.93.210.40.5
Mar51° / 37°4.010.42.111.72.5
Apr63° / 47°3.510.40.2135.3
May72° / 57°3.410.7014.16.5
Jun81° / 66°3.410.5014.76.2
Jul85° / 71°3.611.1014.55.2
Aug83° / 69°3.59.6013.66.0
Sep76° / 62°4.49.2012.37.0
Oct65° / 51°3.68.3010.96.2
Nov54° / 41°3.07.60.29.83.5
Dec45° / 33°3.78.91.79.31.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54753
64753
74654
84654
94753
104654
114555
124654
134753
144654
154654
164654
174654
184555
194555
204555
214555
224654
234654
244555
254555
264555
274654
284654
294654
304654
314753

Chance of precipitation in January

Any precipitationSnow

South Bel Air gets around 3.1 in of rain and snow over 8.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 30% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1277
2287
3288
4288
5298
6298
7308
8309
9309
10309
11309
123010
133010
143010
153010
162910
172911
182911
192811
202811
212711
222712
232612
242612
252612
262612
272612
282612
292612
302612
312711

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 8 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 18 min at the start of January to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:31 AM to 7:21 AM, and sunset from 4:46 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:314:46
29.37:314:47
39.37:314:48
49.37:314:48
59.37:314:49
69.37:314:50
79.37:314:51
89.37:314:52
99.47:314:53
109.47:314:54
119.47:314:55
129.47:314:56
139.47:314:57
149.57:304:58
159.57:304:59
169.57:305:00
179.57:295:01
189.57:295:02
199.67:295:03
209.67:285:04
219.67:285:05
229.67:275:06
239.77:275:07
249.77:265:08
259.77:255:09
269.87:255:10
279.87:245:12
289.87:245:13
299.87:235:14
309.97:225:15
319.97:215:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.2 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 6.09 kWh/m² in June across the year — January's 2.2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
32.0Dim
42.0Dim
52.0Dim
62.0Dim
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for South Bel Air

In seasonPeak

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

South Bel Air 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 January a good time to visit South Bel Air?

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

0.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in South Bel Air.

What to pack for South Bel Air in January

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

In January, South Bel Air sees daytime highs around 40°F and nights near 29°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near South Bel Air in January

The nearest coast averages about 38°F in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 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 South Bel Air in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in South Bel Air 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
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in South Bel Air in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in South Bel Air 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 South Bel Air?

South Bel Air sits at 39.5°N, 76.3°W, 358 ft above sea level, in United States. The nearest listed city is North Bel Air, 1.2 mi away.

Topography around South Bel Air

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

Within 2 miles, the terrain around South Bel Air has only modest variations in elevation — a maximum elevation change of 331 ft around an average of 348 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 787 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,388 ft.

The land around South Bel Air is covered by trees (66%) within 2 miles, trees (61%) and grassland (23%) within 10 miles, and trees (47%) and cropland (21%) within 50 miles.

2 miles
331 ft
10 miles
787 ft
50 miles
1,388 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: North Bel Air 1.2 mi · Bel Air South 1.9 mi · Bel Air North 2.5 mi · Edgewood 8.1 mi · Aberdeen 9.3 mi · Perry Hall 11 mi · Carney 14 mi · Middle River 15 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 South Bel Air (39.5332°, -76.3375°, elevation 358 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).