East Setauket weather in February

In February, East Setauket sees average daytime highs of 38°F and overnight lows near 29°F, with 3.4 in of precipitation across 9.1 wet days and about 10.4 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 37°F in the first days to 40°F by the end. The sky is clear or mostly clear about 34% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of February to 10 h 54 min by month's end. Set against the rest of the year, February is East Setauket's 6th-clearest and 4th-windiest month. For the whole year in context, see East Setauket's year-round climate.

Daytime high
38°
11th warmest
Overnight low
29°
2nd coldest
Precipitation
3.4 in
9.1 wet days
Daylight
10 h 24 min
6:56 AM – 5:18 PM
Cloud cover
57%
6th clearest
Wind
11 mph
4th windiest
Solar energy
3.05 kWh/m²
Travel score
0.0
out of 10

East Setauket is human settlement in Suffolk County, New York, United States of America.

Density
1,080/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 37°F in the first days to 40°F by the end.

A typical February day in East Setauket reaches about 38°F in the afternoon and slips back to 29°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 29°F and 48°F. Set against its neighbours, February runs on par with January and about 5°F cooler than March.

20°30°40°50°151015202528
Avg high (°F)Avg low (°F)
13728
23728
33728
43728
53728
63728
73828
83828
93828
103828
113828
123828
133828
143828
153829
163829
173929
183929
193929
203929
213930
224030
234030
244030
254031
264031
274031
284131

How February really feels in East Setauket

Once humidity and wind are folded in, February averages 0 days that feel above 90°F and 28 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
28
wind chill below the day's low

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

East Setauket weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 29°3.79.74.29.40.0
Feb38° / 29°3.49.13.810.40.0
Mar44° / 35°4.610.63.311.70.7
Apr53° / 44°3.910.70.413.13.0
May63° / 53°3.510.8014.35.3
Jun72° / 64°3.69.7014.96.7
Jul78° / 70°3.29.2014.66.9
Aug78° / 70°4.09.5013.67.0
Sep72° / 64°3.89.1012.36.9
Oct62° / 54°4.49.40.110.95.5
Nov53° / 44°3.79.10.39.73.0
Dec44° / 35°4.810.62.49.10.7

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 14% of February, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14852
24951
34951
44951
54852
64951
74951
85050
95050
105050
115050
125050
134951
144951
154951
164951
174951
184852
194753
204753
214753
224654
234654
244555
254555
264456
274456
284456

Chance of precipitation in February

Any precipitationSnow

East Setauket gets around 3.4 in of rain and snow over 9.1 wet days in February. 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 36% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
12814
22814
32914
42914
52914
63014
73014
83115
93115
103115
113215
123215
133215
143214
153214
163314
173314
183314
193414
203414
213513
223513
233513
243513
253613
263613
273613
283613

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February 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%151015202528
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

Wind in February

Winds average 11 mph in February.

Across February, daily wind ranges from about 11 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 48 min at the start of February to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over February. Sunrise moves from 7:11 AM to 6:38 AM, and sunset from 5:01 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:115:01
29.97:105:02
39.97:095:04
49.97:085:05
510.07:075:06
610.07:065:07
710.17:055:08
810.17:045:10
910.17:035:11
1010.27:025:12
1110.27:015:13
1210.36:595:15
1310.36:585:16
1410.36:575:17
1510.46:565:18
1610.46:555:19
1710.56:535:21
1810.56:525:22
1910.56:515:23
2010.66:495:24
2110.66:485:25
2210.76:475:27
2310.76:455:28
2410.86:445:29
2510.86:425:30
2610.86:415:31
2710.96:395:33
2810.96:385:34

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.05 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 6.34 kWh/m² in June across the year — February's 3.05 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.9Moderate
102.9Moderate
112.9Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.5Moderate
283.5Moderate
Planning a trip in February

Hazard calendar for East Setauket

In seasonPeak

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

East Setauket 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 February a good time to visit East Setauket?

Our two travel scores rate February 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

February is a weaker month for outdoor sightseeing in East Setauket.

What to pack for East Setauket in February

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

In February, East Setauket sees daytime highs around 38°F and nights near 29°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near East Setauket in February

The nearest coast averages about 35°F in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 mi away) is warmest in August at about 74°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 1 to Sep 30 — about 3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar37Bracing
Apr44Bracing
May54Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in East Setauket in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in East Setauket 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 East Setauket in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in East Setauket is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1120 µg/m³Nov 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr16Moderate
May19Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is East Setauket?

East Setauket sits at 40.9°N, 73.1°W, 66 ft above sea level, in United States. The nearest listed city is Setauket-East Setauket, 0.6 mi away.

Topography around East Setauket

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

Within 2 miles, the terrain around East Setauket has only modest variations in elevation — a maximum elevation change of 230 ft around an average of 82 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 338 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,457 ft.

The land around East Setauket is covered by trees (68%) within 2 miles, water (50%) and trees (39%) within 10 miles, and water (47%) and trees (41%) within 50 miles.

2 miles
230 ft
10 miles
338 ft
50 miles
1,457 ft
treesgrasslandartificial surfaceswaterwetland
February weather nearby: Setauket-East Setauket 0.6 mi · Centereach 5.6 mi · Selden 6.2 mi · Coram 7.5 mi · Lake Ronkonkoma 7.5 mi · Smithtown 7.5 mi · Ronkonkoma 8.7 mi · Farmingville 8.7 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 East Setauket (40.9415°, -73.1059°, elevation 66 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).