Aberdeen weather in January

In January, Aberdeen sees average daytime highs of 22°F and overnight lows near 5°F, with 0.7 in of precipitation across 4.2 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°F through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Aberdeen's 8th-clearest and 7th-windiest month. For the whole year in context, see Aberdeen's year-round climate.

Daytime high
22°
12th warmest
Overnight low
1st coldest
Precipitation
0.7 in
4.2 wet days
Daylight
8 h 54 min
8:17 AM – 5:10 PM
Cloud cover
63%
8th clearest
Wind
9 mph
7th windiest
Solar energy
1.92 kWh/m²
Travel score
0.0
out of 10

Aberdeen is city in and the county seat of Brown County, South Dakota, United States.

Density
680/km²
people per km²
Founded
1880

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 22°F through the month.

A typical January day in Aberdeen reaches about 22°F in the afternoon and slips back to 5°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 2°F and 39°F. Set against its neighbours, January runs about 5°F cooler than December and about 5°F cooler than February.

-20°20°40°151015202531
Avg high (°F)Avg low (°F)
1226
2226
3226
4225
5225
6215
7215
8214
9214
10214
11214
12214
13214
14214
15214
16224
17224
18224
19225
20225
21225
22235
23236
24236
25236
26246
27246
28246
29247
30247
31247

How January really feels in Aberdeen

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
31 feel bitter (≤ 14°F)

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

Aberdeen weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan22° / 0.74.24.58.90.0
Feb27° / 0.84.34.310.10.0
Mar40° / 21°1.45.93.511.60.5
Apr55° / 33°2.382.213.23.6
May68° / 47°3.410.50.114.76.1
Jun77° / 57°4.211.5015.46.6
Jul83° / 62°2.98.7015.16.4
Aug81° / 59°2.97.9013.97.1
Sep73° / 50°2.57.1012.37.3
Oct58° / 37°2.06.70.910.74.6
Nov41° / 23°1.04.43.39.30.5
Dec27° / 11°0.84.44.78.60.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54456
64456
74456
84456
94456
104357
114357
124357
134258
144159
154159
164060
173961
183961
193961
203763
213763
223763
233862
243862
253862
263862
273961
283961
294159
304159
314258

Chance of precipitation in January

Any precipitationSnow

Aberdeen gets around 0.7 in of rain and snow over 4.2 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 14% and peaks near 15% on the wettest days, and about 5 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11516
21516
31516
41516
51516
61516
71516
81516
91516
101516
111516
121516
131516
141516
151516
161516
171516
181516
191416
201416
211415
221315
231315
241314
251314
261314
271314
281313
291313
301313
311313

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 9 mph in January.

Across January, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:20 AM to 8:05 AM, and sunset from 4:54 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:204:54
28.68:204:55
38.68:204:56
48.68:204:57
58.68:204:58
68.78:204:59
78.78:205:00
88.78:195:01
98.78:195:02
108.78:195:03
118.88:195:04
128.88:185:05
138.88:185:06
148.88:185:07
158.98:175:09
168.98:175:10
178.98:165:11
188.98:165:12
199.08:155:14
209.08:145:15
219.08:145:16
229.18:135:17
239.18:125:19
249.18:115:20
259.28:115:21
269.28:105:23
279.38:095:24
289.38:085:25
299.38:075:27
309.48:065:28
319.48:055:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.92 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 6.69 kWh/m² in July across the year — January's 1.92 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
192.0Dim
202.0Dim
212.0Moderate
222.0Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.2Moderate
272.2Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.4Moderate
Planning a trip in January

Hazard calendar for Aberdeen

In seasonPeak

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

Aberdeen's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Aberdeen?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Aberdeen.

What to pack for Aberdeen in January

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

In January, Aberdeen sees daytime highs around 22°F and nights near 5°F. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

UV index in Aberdeen in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aberdeen peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun9Very high
Jul8Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Aberdeen?

Aberdeen sits at 45.5°N, 98.5°W, 1,302 ft above sea level, in United States. The nearest listed city is Watertown, 78 mi away.

Topography around Aberdeen

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

Within 2 miles, the terrain around Aberdeen has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 1,306 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 161 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 981 ft.

The land around Aberdeen is covered by grassland (34%) and artificial surfaces (31%) within 2 miles, cropland (67%) and grassland (27%) within 10 miles, and cropland (62%) and grassland (35%) within 50 miles.

2 miles
43 ft
10 miles
161 ft
50 miles
981 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Watertown 78 mi · Jamestown 101 mi · Brookings 115 mi · Mitchell 124 mi · West Fargo 124 mi · Fargo 127 mi · Moorhead 127 mi · Bismarck 144 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 Aberdeen (45.4647°, -98.4865°, elevation 1,302 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).