Marlboro weather in January

In January, Marlboro sees average daytime highs of 41°F and overnight lows near 28°F, with 3.3 in of precipitation across 9.3 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 41°F through the month. The sky is clear or mostly clear about 33% 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 Marlboro's 8th-clearest and 2nd-windiest month. For the whole year in context, see Marlboro's year-round climate.

Daytime high
41°
12th warmest
Overnight low
28°
1st coldest
Precipitation
3.3 in
9.3 wet days
Daylight
9 h 24 min
7:24 AM – 4:49 PM
Cloud cover
60%
8th clearest
Wind
9 mph
2nd windiest
Solar energy
2.16 kWh/m²
Travel score
0.1
out of 10

Marlboro is human settlement in Marlboro Township, New Jersey, United States of America.

Founded
1848

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 41°F through the month.

A typical January day in Marlboro reaches about 41°F in the afternoon and slips back to 28°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 28°F and 54°F. Set against its neighbours, January runs about 5°F cooler than December and about 2°F cooler than February.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14230
24230
34230
44230
54229
64229
74229
84129
94129
104129
114128
124128
134128
144028
154028
164028
174027
184027
194027
204027
214027
224027
234027
244027
254027
264027
274027
284027
294027
304027
314027

How January really feels in Marlboro

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.

Marlboro 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
Jan41° / 28°3.39.33.89.50.1
Feb43° / 29°3.18.93.610.40.5
Mar51° / 35°4.210.32.711.72.4
Apr62° / 45°3.510.70.3135.0
May71° / 55°3.411.1014.26.3
Jun80° / 64°3.911.2014.86.2
Jul85° / 70°4.011.8014.65.1
Aug83° / 69°4.310.5013.65.9
Sep76° / 62°3.79.2012.37.0
Oct65° / 51°3.78.4010.96.2
Nov55° / 40°3.07.90.29.83.6
Dec45° / 33°4.09.51.99.21.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44753
54753
64753
74753
84654
94654
104654
114753
124753
134753
144753
154654
164555
174555
184654
194654
204654
214555
224555
234555
244654
254654
264654
274654
284654
294753
304654
314555

Chance of precipitation in January

Any precipitationSnow

Marlboro gets around 3.3 in of rain and snow over 9.3 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 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1308
2309
3309
43110
53110
63110
73211
83211
93212
103212
113212
123212
133213
143213
153213
163113
173113
183013
193013
203013
212913
222913
232813
242813
252813
262812
272712
282712
292712
302812
312812

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 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 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 7:25 AM to 7:15 AM, and sunset from 4:35 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:254:35
29.27:254:36
39.27:254:37
49.27:254:38
59.27:254:38
69.27:254:39
79.27:254:40
89.37:254:41
99.37:254:42
109.37:254:43
119.37:254:44
129.37:254:45
139.47:244:46
149.47:244:47
159.47:244:48
169.47:244:49
179.47:234:50
189.57:234:51
199.57:224:52
209.57:224:53
219.57:214:54
229.67:214:56
239.67:204:57
249.67:204:58
259.77:194:59
269.77:185:00
279.77:185:01
289.87:175:02
299.87:165:04
309.87:165:05
319.97:155:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.16 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 6.07 kWh/m² in June across the year — January's 2.16 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
82.0Dim
92.0Dim
102.0Dim
112.0Moderate
122.0Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Marlboro

In seasonPeak

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

Marlboro 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 Marlboro?

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

0.1
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 Marlboro.

What to pack for Marlboro in January

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

In January, Marlboro sees daytime highs around 41°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 Marlboro in January

The nearest coast averages about 43°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 20 mi away) is warmest in August at about 74°F and coldest in February near 40°F.

It's comfortable for a long swim from Jun 30 to Sep 27 — about 3 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb40Bracing
Mar41Bracing
Apr46Bracing
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec49Bracing

UV index in Marlboro 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 Marlboro peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (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 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov3Moderate
Dec1Low

Air quality in Marlboro 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 Marlboro is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1318 µg/m³Nov 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar16Moderate
Apr16Moderate
May17Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec12Good
Location & terrain

Where is Marlboro?

Marlboro sits at 40.3°N, 74.2°W, 171 ft above sea level, in United States. The nearest listed city is Tinton Falls, 7.5 mi away.

Topography around Marlboro

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

Within 2 miles, the terrain around Marlboro has only modest variations in elevation — a maximum elevation change of 233 ft around an average of 167 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 436 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,430 ft.

The land around Marlboro is covered by trees (66%) and grassland (24%) within 2 miles, trees (69%) within 10 miles, and trees (50%) and water (27%) within 50 miles.

2 miles
233 ft
10 miles
436 ft
50 miles
1,430 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Tinton Falls 7.5 mi · South Old Bridge 8.7 mi · Middletown 8.7 mi · Old Bridge 9.3 mi · Sayreville Junction 11 mi · Sayreville 12 mi · South River 12 mi · East Brunswick 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 Marlboro (40.3154°, -74.2463°, elevation 171 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).