North Bay Shore in Winter

In winter (December, January and February), North Bay Shore sees average daytime highs around 41°F and overnight lows near 32°F, with 12.1 in of precipitation over about 30 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Over the season highs ease from about 48°F in early December to 41°F by late February. The sky is clear or mostly clear about 33% of the time across winter, and the air most often feels dry.

Winter is North Bay Shore's weakest season of the year to visit on our travel score. For the whole year in context, see North Bay Shore's year-round climate.

Avg daytime high
41°F
coldest season of the year
Avg overnight low
32°F
Precipitation
12.1 in
30 wet days
Avg wind
13 mph
Travel score
0.3
weakest season of the year
Months
Dec · Jan · Feb

Temperature in North Bay Shore in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 48°F in early December to 41°F by late February.

A typical winter day in North Bay Shore reaches about 41°F and drops to 32°F overnight. The warmest of the three months is December, the coolest February.

20°30°40°50°60°DecJanFeb

How winter really feels in North Bay Shore

Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 87 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
87
wind chill below the day's low

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

North Bay Shore weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 30°3.89.949.40.0
Feb39° / 30°3.59.33.710.40.0
Mar44° / 35°4.610.62.911.70.8
Apr53° / 44°3.810.90.413.12.8
May61° / 54°3.510.8014.25.0
Jun71° / 64°3.69.9014.96.6
Jul77° / 71°3.39.4014.67.0
Aug77° / 70°3.99.5013.67.1
Sep71° / 64°3.89.1012.36.9
Oct62° / 55°4.49.2010.95.5
Nov53° / 44°3.78.90.39.73.0
Dec44° / 36°4.810.62.39.10.9

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

North Bay Shore gets around 12.1 in of rain and snow over 30 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 13 mph across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 18 min in early December to 10 h 54 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.3 kWh/m².

01234DecJanFeb
Planning a trip in winter

Hazard calendar for North Bay Shore

In seasonPeak

None of North Bay Shore's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

North Bay Shore 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 winter a good time to visit North Bay Shore?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

0.3
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in North Bay Shore.

What to pack for North Bay Shore in Winter

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

In winter, North Bay Shore sees daytime highs around 41°F and nights near 32°F. Pack a warm layer. Worth having: a heavy coat, rain gear and a windbreaker. About 30 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near North Bay Shore in Winter

The nearest coast averages about 44°F across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 11 mi away) is warmest in August at about 73°F and coldest in February near 40°F.

It's comfortable for a long swim from Jul 2 to Sep 24 — about 2.8 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb40Bracing
Mar40Bracing
Apr46Bracing
May54Bracing
Jun64Cool
Jul72Refreshing
Aug73Refreshing
Sep70Refreshing
Oct63Cool
Nov55Bracing
Dec48Bracing

UV index in North Bay Shore in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in North Bay Shore 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 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 11UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in North Bay Shore in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in North Bay Shore is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1018 µg/m³Nov 169 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr16Moderate
May18Moderate
Jun18Moderate
Jul19Moderate
Aug16Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is North Bay Shore?

North Bay Shore sits at 40.8°N, 73.3°W, 36 ft above sea level, in United States. The nearest listed city is Bay Shore, 1.9 mi away.

Topography around North Bay Shore

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

Within 2 miles, the terrain around North Bay Shore has only modest variations in elevation — a maximum elevation change of 115 ft around an average of 59 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 427 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,207 ft.

The land around North Bay Shore is covered by trees (44%), artificial surfaces (29%) and grassland (26%) within 2 miles, trees (44%) and water (23%) within 10 miles, and water (53%) and trees (33%) within 50 miles.

2 miles
115 ft
10 miles
427 ft
50 miles
1,207 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Winter weather nearby: Bay Shore 1.9 mi · Brentwood 1.9 mi · Islip 3.1 mi · Deer Park 3.7 mi · Central Islip 3.7 mi · West Islip 3.7 mi · North Babylon 4.3 mi · Dix Hills 5.6 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 North Bay Shore (40.753°, -73.2602°, elevation 36 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.