Pearl River weather in January

In January, Pearl River sees average daytime highs of 37°F and overnight lows near 25°F, with 3.3 in of precipitation across 9.1 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 37°F through the month. The sky is clear or mostly clear about 31% 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 Pearl River's 7th-clearest and 2nd-windiest month. For the whole year in context, see Pearl River's year-round climate.

Daytime high
37°
12th warmest
Overnight low
25°
1st coldest
Precipitation
3.3 in
9.1 wet days
Daylight
9 h 24 min
7:25 AM – 4:46 PM
Cloud cover
60%
7th clearest
Wind
8 mph
2nd windiest
Solar energy
2.09 kWh/m²
Travel score
0.0
out of 10

Pearl River is census-designated place in Rockland County, New York, United States.

Density
852/km²
people per km²

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 37°F through the month.

A typical January day in Pearl River reaches about 37°F in the afternoon and slips back to 25°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 24°F and 49°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)
13927
23927
33827
43827
53826
63826
73826
83826
93826
103726
113725
123725
133725
143725
153724
163724
173724
183624
193624
203624
213624
223623
233623
243623
253623
263623
273723
283724
293724
303724
313724

How January really feels in Pearl River

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.

Pearl River 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
Jan37° / 25°3.39.159.40.0
Feb39° / 26°3.08.64.210.40.0
Mar47° / 33°4.210.43.611.71.5
Apr59° / 43°3.710.60.613.14.3
May68° / 53°3.611.4014.36.1
Jun78° / 63°4.011.4014.96.4
Jul83° / 69°4.211014.65.7
Aug81° / 67°4.011013.66.3
Sep74° / 60°4.09.3012.36.9
Oct63° / 49°4.08.70.110.95.6
Nov51° / 39°3.280.69.72.8
Dec42° / 31°4.09.83.69.10.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54654
64654
74654
84555
94555
104555
114555
124555
134555
144555
154555
164555
174456
184456
194555
204555
214555
224555
234555
244753
254753
264753
274753
284753
294852
304852
314753

Chance of precipitation in January

Any precipitationSnow

Pearl River gets around 3.3 in of rain and snow over 9.1 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 33% on the wettest days, and about 5 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13214
23215
33215
43216
53316
63316
73316
83317
93317
103317
113317
123217
133217
143217
153117
163117
173017
182917
192916
202816
212816
222716
232616
242616
252616
262515
272515
282615
292615
302615
312615

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 8 mph in January.

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 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 7:26 AM to 7:16 AM, and sunset from 4:32 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:264:32
29.17:274:33
39.17:274:34
49.17:274:34
59.17:274:35
69.27:274:36
79.27:274:37
89.27:274:38
99.27:274:39
109.27:264:40
119.27:264:41
129.37:264:42
139.37:264:43
149.37:254:44
159.37:254:45
169.47:254:46
179.47:244:47
189.47:244:48
199.47:244:49
209.57:234:50
219.57:234:51
229.57:224:53
239.57:214:54
249.67:214:55
259.67:204:56
269.67:194:57
279.77:194:58
289.77:185:00
299.77:175:01
309.87:165:02
319.87:165:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.09 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 5.95 kWh/m² in June across the year — January's 2.09 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
122.0Dim
132.0Dim
142.0Moderate
152.0Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.2Moderate
212.2Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in January

Hazard calendar for Pearl River

In seasonPeak

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

Pearl River 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 Pearl River?

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
9th-best month of the year

January is a weaker month for outdoor sightseeing in Pearl River.

What to pack for Pearl River in January

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

In January, Pearl River sees daytime highs around 37°F and nights near 25°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 Pearl River 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 31 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 26 — about 2.9 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
Oct63Cool
Nov55Bracing
Dec48Bracing

UV index in Pearl River 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 Pearl River peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 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 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Pearl River 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 Pearl River is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Pearl River?

Pearl River sits at 41.1°N, 74.0°W, 240 ft above sea level, in United States. The nearest listed city is Nanuet, 1.9 mi away.

Topography around Pearl River

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

Within 2 miles, the terrain around Pearl River has only modest variations in elevation — a maximum elevation change of 469 ft around an average of 282 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,414 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,530 ft.

The land around Pearl River is covered by trees (80%) within 2 miles, trees (74%) within 10 miles, and trees (66%) within 50 miles.

2 miles
469 ft
10 miles
1,414 ft
50 miles
2,530 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Nanuet 1.9 mi · Spring Valley 3.7 mi · Monsey 4.3 mi · Ramsey 6.2 mi · New City 6.2 mi · Mahwah 6.8 mi · Ridgewood 7.5 mi · Dumont 8.1 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 Pearl River (41.059°, -74.0218°, elevation 240 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).