Baldwin weather in January

In January, Baldwin sees average daytime highs of 37°F and overnight lows near 24°F, with 3.6 in of precipitation across 12.2 wet days and about 9.5 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 37°F through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of January to 9 h 54 min by month's end. Set against the rest of the year, January is Baldwin's 12th-clearest and 1st-windiest month. For the whole year in context, see Baldwin's year-round climate.

Daytime high
37°
12th warmest
Overnight low
24°
1st coldest
Precipitation
3.6 in
12.2 wet days
Daylight
9 h 24 min
7:47 AM – 5:12 PM
Cloud cover
77%
12th clearest
Wind
8 mph
1st windiest
Solar energy
1.83 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 37°F through the month.

A typical January day in Baldwin reaches about 37°F in the afternoon and slips back to 24°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 22°F and 54°F. Set against its neighbours, January runs about 4°F cooler than December and about 3°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13926
23926
33926
43926
53926
63926
73825
83825
93825
103825
113824
123824
133724
143724
153723
163723
173723
183723
193722
203622
213622
223622
233622
243722
253722
263722
273722
283722
293722
303723
313823

How January really feels in Baldwin

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
14 feel bitter (≤ 14°F)

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

Baldwin weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 24°3.612.26.89.50.0
Feb41° / 25°3.211.15.510.40.2
Mar50° / 33°4.4133.511.72.1
Apr62° / 43°4.613.80.9134.7
May71° / 52°5.014.4014.25.8
Jun79° / 61°5.213.9014.86.0
Jul82° / 65°5.014.4014.65.6
Aug81° / 63°3.812.2013.66.2
Sep75° / 56°3.910012.36.8
Oct63° / 45°3.610.40.210.95.4
Nov51° / 36°3.5101.29.82.5
Dec42° / 29°3.511.44.29.20.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32377
42377
52278
62179
72179
82179
92080
102080
112080
122080
132080
142080
152080
162080
171981
181882
191882
201981
211981
222080
232080
242179
252278
262377
272377
282476
292476
302674
312674

Chance of precipitation in January

Any precipitationSnow

Baldwin gets around 3.6 in of rain and snow over 12.2 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 39% and peaks near 42% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13915
23916
34017
44117
54118
64219
74219
84220
94220
104221
114222
124222
134122
144122
154123
164023
174023
183923
193924
203924
213824
223824
233725
243725
253725
263724
273724
283724
293724
303724
313723

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 (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 8 mph in January, the windiest month of the year.

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.

0246810151015202531
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 12 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 42 minutes over January. Sunrise moves from 7:48 AM to 7:38 AM, and sunset from 4:58 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:484:58
29.27:484:59
39.27:485:00
49.27:485:01
59.27:485:01
69.27:485:02
79.27:485:03
89.37:485:04
99.37:485:05
109.37:485:06
119.37:485:07
129.37:485:08
139.47:475:09
149.47:475:10
159.47:475:11
169.47:475:12
179.47:465:13
189.57:465:14
199.57:455:15
209.57:455:16
219.57:445:17
229.67:445:18
239.67:435:20
249.67:435:21
259.77:425:22
269.77:415:23
279.77:415:24
289.87:405:25
299.87:395:26
309.87:395:28
319.97:385:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.83 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 5.94 kWh/m² in June across the year — January's 1.83 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
222.0Dim
232.0Moderate
242.0Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.3Moderate
Planning a trip in January

Is January a good time to visit Baldwin?

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

0.0
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 Baldwin.

What to pack for Baldwin in January

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

In January, Baldwin sees daytime highs around 37°F and nights near 24°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Baldwin 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 Baldwin peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Baldwin 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 Baldwin is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 147 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Baldwin?

Baldwin sits at 40.3°N, 80.0°W, 1,145 ft above sea level, in United States. The nearest listed city is Bethel Park, 3.1 mi away.

Topography around Baldwin

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

Within 2 miles, the terrain around Baldwin has only modest variations in elevation — a maximum elevation change of 367 ft around an average of 1,142 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 699 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,352 ft.

The land around Baldwin is covered by trees (56%) and artificial surfaces (26%) within 2 miles, trees (64%) within 10 miles, and trees (76%) within 50 miles.

2 miles
367 ft
10 miles
699 ft
50 miles
2,352 ft
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Bethel Park 3.1 mi · Mount Lebanon 3.7 mi · Upper Saint Clair 5.6 mi · McKeesport 6.2 mi · West Mifflin 6.2 mi · Pittsburgh 6.8 mi · Wilkinsburg 8.7 mi · Monroeville 12 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 Baldwin (40.3381°, -79.9789°, elevation 1,145 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).