State College weather in January

In January, State College sees average daytime highs of 34°F and overnight lows near 20°F, with 3.0 in of precipitation across 9.9 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°F through the month. The sky is clear or mostly clear about 16% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is State College's 12th-clearest and 1st-windiest month. For the whole year in context, see State College's year-round climate.

Daytime high
34°
12th warmest
Overnight low
20°
1st coldest
Precipitation
3.0 in
9.9 wet days
Daylight
9 h 24 min
7:39 AM – 5:02 PM
Cloud cover
74%
12th clearest
Wind
7 mph
1st windiest
Solar energy
1.95 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 34°F through the month.

A typical January day in State College reaches about 34°F in the afternoon and slips back to 20°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 20°F and 48°F. Set against its neighbours, January runs about 4°F cooler than December and about 3°F cooler than February.

20°40°151015202531
Avg high (°F)Avg low (°F)
13623
23623
33623
43623
53523
63522
73522
83522
93522
103522
113521
123421
133421
143420
153420
163420
173320
183319
193319
203319
213319
223319
233319
243319
253319
263319
273419
283419
293419
303419
313419

How January really feels in State College

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
26 feel bitter (≤ 14°F)

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

State College 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
Jan34° / 20°3.09.96.29.40.0
Feb37° / 22°2.78.6510.40.0
Mar46° / 29°3.710.73.911.71.2
Apr59° / 40°3.812.10.913.14.2
May69° / 49°3.912.8014.25.9
Jun77° / 59°3.611.4014.96.4
Jul82° / 63°3.110.8014.66.3
Aug80° / 62°2.99.9013.66.5
Sep73° / 54°4.19.4012.36.8
Oct61° / 43°3.490.310.95.1
Nov49° / 34°3.28.81.49.71.9
Dec38° / 26°3.39.949.10.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42575
52575
62575
72476
82476
92476
102476
112476
122575
132575
142575
152575
162575
172575
182575
192575
202575
212674
222575
232575
242575
252674
262674
272773
282773
292773
302872
312971

Chance of precipitation in January

Any precipitationSnow

State College gets around 3.0 in of rain and snow over 9.9 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 32% and peaks near 34% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13214
23215
33215
43316
53316
63317
73417
83417
93418
103418
113419
123419
133319
143320
153320
163321
173221
183221
193222
203222
213122
223122
233123
243023
253022
263022
273022
283022
293022
303021
313021

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 (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15991
16991
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 7 mph in January, the windiest month of the year.

Across January, daily wind ranges from about 7 mph on the calmest days to 7 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
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 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 7:41 AM to 7:30 AM, and sunset from 4:48 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:414:48
29.17:414:49
39.17:414:50
49.27:414:51
59.27:414:51
69.27:414:52
79.27:414:53
89.27:414:54
99.27:414:55
109.37:414:56
119.37:414:57
129.37:414:58
139.37:404:59
149.37:405:00
159.47:405:01
169.47:395:02
179.47:395:03
189.47:395:04
199.57:385:05
209.57:385:06
219.57:375:08
229.57:375:09
239.67:365:10
249.67:355:11
259.67:355:12
269.77:345:13
279.77:335:14
289.77:335:16
299.77:325:17
309.87:315:18
319.87:305:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.95 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 5.94 kWh/m² in June across the year — January's 1.95 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
182.0Dim
192.0Moderate
202.0Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.4Moderate
312.4Moderate
Planning a trip in January

Is January a good time to visit State College?

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
10th-best month of the year

January is a weaker month for outdoor sightseeing in State College.

What to pack for State College in January

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

In January, State College sees daytime highs around 34°F and nights near 20°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in State College 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 State College peaks around June 23 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 23UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in State College 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 State College is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 117 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is State College?

State College sits at 40.8°N, 77.9°W, 1,165 ft above sea level, in United States. The nearest listed city is Altoona, 34 mi away.

Topography around State College

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

Within 2 miles, the terrain around State College has only modest variations in elevation — a maximum elevation change of 364 ft around an average of 1,142 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,713 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,598 ft.

The land around State College is covered by trees (44%), grassland (26%) and artificial surfaces (22%) within 2 miles, trees (72%) within 10 miles, and trees (82%) within 50 miles.

2 miles
364 ft
10 miles
1,713 ft
50 miles
2,598 ft
treesgrasslandcroplandartificial surfaces
January weather nearby: Altoona 34 mi · Carlisle 54 mi · Williamsport 55 mi · Chambersburg 60 mi · Harrisburg 63 mi · Johnstown 65 mi · Hagerstown 80 mi · Lebanon 82 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 State College (40.7934°, -77.86°, elevation 1,165 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).