Jackson weather in January

In January, Jackson sees average daytime highs of 42°F and overnight lows near 28°F, with 3.2 in of precipitation across 9.2 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 42°F through the month. The sky is clear or mostly clear about 32% 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 Jackson's 8th-clearest and 2nd-windiest month. For the whole year in context, see Jackson's year-round climate.

Daytime high
42°
12th warmest
Overnight low
28°
1st coldest
Precipitation
3.2 in
9.2 wet days
Daylight
9 h 30 min
7:25 AM – 4:53 PM
Cloud cover
60%
8th clearest
Wind
9 mph
2nd windiest
Solar energy
2.2 kWh/m²
Travel score
0.2
out of 10

Jackson is unincorporated community in Waterford Township, Camden County, New Jersey.

Founded
1695

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 42°F through the month.

A typical January day in Jackson reaches about 42°F in the afternoon and slips back to 28°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 28°F and 56°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)
14430
24430
34330
44330
54330
64330
74329
84329
94329
104229
114229
124229
134228
144228
154228
164128
174128
184128
194127
204127
214127
224127
234127
244127
254127
264127
274127
284127
294127
304227
314227

How January really feels in Jackson

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.

Jackson 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
Jan42° / 28°3.29.23.19.50.2
Feb44° / 29°3.093.210.40.9
Mar52° / 36°4.110.41.911.72.8
Apr63° / 46°3.510.50.3135.4
May72° / 55°3.411.1014.26.5
Jun82° / 65°4.011.1014.85.9
Jul86° / 70°4.112.2014.54.8
Aug84° / 68°4.611.4013.65.5
Sep78° / 61°3.99.3012.36.9
Oct67° / 50°3.78.2010.96.4
Nov56° / 40°2.980.29.83.9
Dec46° / 33°3.99.31.79.21.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35050
44951
54951
64951
74852
84852
94852
104852
114852
124753
134753
144753
154753
164654
174654
184654
194654
204654
214654
224654
234654
244654
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in January

Any precipitationSnow

Jackson gets around 3.2 in of rain and snow over 9.2 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 30% and peaks near 32% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1307
2307
3307
4317
5318
6318
7318
8318
9329
10329
113210
123210
133110
143110
153111
163111
173111
183011
193011
203011
212912
222912
232912
242812
252812
262812
272811
282811
292811
302811
312811

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 99% 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
13991
14991
15991
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 9 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light 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
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 7:26 AM to 7:16 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)
19.27:264:39
29.27:264:40
39.27:264:41
49.37:264:42
59.37:264:43
69.37:264:43
79.37:264:44
89.37:264:45
99.37:264:46
109.47:264:47
119.47:264:48
129.47:264:49
139.47:254:50
149.47:254:51
159.57:254:52
169.57:254:53
179.57:244:54
189.57:244:55
199.57:234:56
209.67:234:57
219.67:224:58
229.67:224:59
239.77:215:00
249.77:215:02
259.77:205:03
269.77:205:04
279.87:195:05
289.87:185:06
299.87:175:07
309.97:175:08
319.97:165:10

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 1.87 kWh/m² to a high of 6.17 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
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Jackson

In seasonPeak

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

Jackson 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 Jackson?

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

0.2
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 Jackson.

What to pack for Jackson in January

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

In January, Jackson sees daytime highs around 42°F and nights near 28°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 Jackson in January

The nearest coast averages about 42°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 38 mi away) is warmest in August at about 75°F and coldest in February near 39°F.

It's comfortable for a long swim from Jun 25 to Oct 2 — about 3.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar41Bracing
Apr47Bracing
May56Bracing
Jun66Cool
Jul73Refreshing
Aug75Refreshing
Sep72Refreshing
Oct65Cool
Nov56Bracing
Dec48Bracing

UV index in Jackson 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 Jackson peaks around July 11 at about 8 (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 highHighModerateLowJul 11UV 8Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Jackson 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 Jackson is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Jackson?

Jackson sits at 39.8°N, 74.9°W, 121 ft above sea level, in United States. The nearest listed city is Sicklerville, 6.8 mi away.

Topography around Jackson

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

Within 2 miles, the terrain around Jackson has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 131 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 233 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,106 ft.

The land around Jackson is covered by trees (83%) within 2 miles, trees (76%) within 10 miles, and trees (54%) and water (21%) within 50 miles.

2 miles
125 ft
10 miles
233 ft
50 miles
1,106 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Sicklerville 6.8 mi · Lindenwold 8.1 mi · Williamstown 9.3 mi · Mount Laurel 11 mi · Vincentown 12 mi · Maple Shade 14 mi · Cherry Hill 14 mi · Glassboro 14 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 Jackson (39.7765°, -74.8624°, elevation 121 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).