Whitehall Township weather in January

In January, Whitehall Township sees average daytime highs of 36°F and overnight lows near 22°F, with 3.7 in of precipitation across 9.8 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°F through the month. The sky is clear or mostly clear about 25% 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 Whitehall Township's 9th-clearest and 3rd-windiest month. For the whole year in context, see Whitehall Township's year-round climate.

Daytime high
36°
12th warmest
Overnight low
22°
1st coldest
Precipitation
3.7 in
9.8 wet days
Daylight
9 h 24 min
7:30 AM – 4:53 PM
Cloud cover
64%
9th clearest
Wind
7 mph
3rd windiest
Solar energy
2.07 kWh/m²
Travel score
0.0
out of 10

Whitehall Township is township in Lehigh County, Pennsylvania, United States.

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 36°F through the month.

A typical January day in Whitehall Township reaches about 36°F in the afternoon and slips back to 22°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 50°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)
13825
23825
33825
43724
53724
63724
73724
83724
93724
103723
113723
123623
133623
143622
153622
163622
173622
183521
193521
203521
213521
223521
233521
243521
253521
263521
273621
283621
293621
303621
313621

How January really feels in Whitehall Township

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
19 feel bitter (≤ 14°F)

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

Whitehall Township weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.79.85.49.40.0
Feb39° / 24°3.19.14.810.40.0
Mar48° / 31°4.111.23.811.71.6
Apr60° / 41°4.111.10.613.14.6
May70° / 51°3.811.7014.26.2
Jun79° / 60°4.211.3014.96.3
Jul84° / 65°3.610.8014.65.4
Aug82° / 64°3.69.9013.66.2
Sep75° / 56°4.68.7012.37.0
Oct63° / 45°4.39.10.210.95.5
Nov51° / 35°3.58.50.99.72.6
Dec41° / 28°4.29.83.69.10.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34159
44060
53961
63862
73763
83763
93763
103664
113664
123763
133763
143763
153763
163763
173763
183862
193862
203862
213862
223862
233862
243961
254060
264060
274060
284159
294060
304159
314159

Chance of precipitation in January

Any precipitationSnow

Whitehall Township gets around 3.7 in of rain and snow over 9.8 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 35% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13113
23214
33215
43215
53316
63317
73417
83417
93518
103518
113519
123519
133519
143519
153419
163419
173318
183318
193218
203218
213118
223018
233018
242918
252918
262818
272818
282817
292817
302818
312818

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.

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 7:31 AM to 7:21 AM, and sunset from 4:39 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:314:39
29.17:314:40
39.27:314:41
49.27:314:42
59.27:314:42
69.27:314:43
79.27:314:44
89.27:314:45
99.27:314:46
109.37:314:47
119.37:314:48
129.37:314:49
139.37:304:50
149.37:304:51
159.47:304:52
169.47:304:53
179.47:294:54
189.47:294:55
199.57:284:56
209.57:284:57
219.57:274:58
229.57:275:00
239.67:265:01
249.67:265:02
259.67:255:03
269.77:245:04
279.77:245:05
289.77:235:07
299.87:225:08
309.87:215:09
319.87:215:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.07 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6 kWh/m² in June across the year — January's 2.07 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
132.0Dim
142.0Dim
152.0Moderate
162.0Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Is January a good time to visit Whitehall Township?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Whitehall Township.

What to pack for Whitehall Township in January

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

In January, Whitehall Township sees daytime highs around 36°F and nights near 22°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 Whitehall Township 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 Whitehall Township peaks around July 10 at about 8 (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 highHighModerateLowJul 10UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Whitehall Township 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 Whitehall Township 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 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Whitehall Township?

Whitehall Township sits at 40.7°N, 75.5°W, 384 ft above sea level, in United States. The nearest listed city is Allentown, 4.3 mi away.

Topography around Whitehall Township

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

Within 2 miles, the terrain around Whitehall Township has only modest variations in elevation — a maximum elevation change of 364 ft around an average of 374 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,545 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,516 ft.

The land around Whitehall Township is covered by trees (35%), artificial surfaces (27%) and grassland (22%) within 2 miles, trees (45%) and grassland (22%) within 10 miles, and trees (73%) within 50 miles.

2 miles
364 ft
10 miles
1,545 ft
50 miles
2,516 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Allentown 4.3 mi · Bethlehem 7.5 mi · Easton 15 mi · Limerick 30 mi · Pottstown 30 mi · Lansdale 32 mi · Hazleton 32 mi · Reading 32 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 Whitehall Township (40.6668°, -75.4999°, elevation 384 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).