Shirley weather in April

In April, Shirley sees average daytime highs of 52°F and overnight lows near 45°F, with 3.6 in of precipitation across 10.3 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 48°F in the first days to 55°F by the end. The sky is clear or mostly clear about 32% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Shirley's 9th-clearest and 7th-windiest month. For the whole year in context, see Shirley's year-round climate.

Daytime high
52°
8th warmest
Overnight low
45°
5th coldest
Precipitation
3.6 in
10.3 wet days
Daylight
13 h 06 min
5:19 AM – 6:24 PM
Cloud cover
60%
9th clearest
Wind
12 mph
7th windiest
Solar energy
5.37 kWh/m²
Travel score
2.7
out of 10

Shirley is census-designated place in New York, USA.

Density
934/km²
people per km²

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 48°F in the first days to 55°F by the end.

A typical April day in Shirley reaches about 52°F in the afternoon and slips back to 45°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 58°F. Set against its neighbours, April runs about 8°F warmer than March and about 9°F cooler than May.

30°40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
14840
24841
34841
44941
54941
64942
74942
85042
95043
105043
115043
125144
135144
145144
155244
165245
175245
185245
195346
205346
215346
225346
235447
245447
255447
265547
275548
285548
295548
305649

How April really feels in Shirley

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Shirley weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 31°3.79.83.99.40.0
Feb40° / 31°3.49.13.510.40.0
Mar44° / 36°4.410.22.811.70.8
Apr52° / 45°3.610.30.413.12.7
May60° / 53°3.310.2014.24.8
Jun70° / 64°3.38.8014.96.7
Jul76° / 71°3.08.6014.67.2
Aug76° / 70°3.79.3013.67.2
Sep71° / 65°3.78.8012.36.9
Oct62° / 55°4.39010.95.5
Nov53° / 46°3.68.70.39.73.2
Dec45° / 37°4.610.62.29.11.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24456
34456
44555
54456
64456
74654
84654
94654
104753
114753
124753
134753
144654
154654
164654
174753
184654
194654
204654
214753
224654
234654
244654
254654
264654
274654
284555
294654
304654

Chance of precipitation in April

Any precipitationSnow

Shirley gets around 3.6 in of rain and snow over 10.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1364
2364
3374
4374
5373
6363
7363
8363
9353
10352
11342
12342
13342
14341
15341
16341
17341
18341
19330
20330
21330
22330
23330
24330
25330
26330
27340
28340
29340
30340

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
22991
23991
24991
25991
26991
27991
28991
29982
30982

Wind in April

Winds average 12 mph in April.

Across April, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112breezy
212breezy
312breezy
412breezy
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:44 AM to 4:58 AM, and sunset from 6:08 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:08
212.55:426:09
312.55:416:10
412.55:396:11
512.65:376:13
612.65:356:14
712.75:346:15
812.75:326:16
912.85:306:17
1012.85:296:18
1112.95:276:19
1212.95:266:20
1313.05:246:21
1413.05:226:22
1513.05:216:23
1613.15:196:24
1713.15:186:25
1813.25:166:26
1913.25:146:27
2013.35:136:29
2113.35:116:30
2213.35:106:31
2313.45:086:32
2413.45:076:33
2513.55:056:34
2613.55:046:35
2713.65:036:36
2813.65:016:37
2913.65:006:38
3013.74:586:39

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.37 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 6.55 kWh/m² in June across the year — April's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
Planning a trip in April

Hazard calendar for Shirley

In seasonPeak

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

Shirley 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 April a good time to visit Shirley?

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

2.7
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Shirley.

What to pack for Shirley in April

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

In April, Shirley sees daytime highs around 52°F and nights near 45°F. Pack a warm layer. Worth having: rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Shirley in April

The nearest coast averages about 45°F in April — 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 73°F and coldest in February near 40°F.

It's comfortable for a long swim from Jul 4 to Sep 22 — about 2.7 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan44Bracing
Feb40Bracing
Mar41Bracing
Apr45Bracing
May53Bracing
Jun64Cool
Jul71Refreshing
Aug73Refreshing
Sep69Refreshing
Oct63Cool
Nov56Bracing
Dec49Bracing

UV index in Shirley in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shirley 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery 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 Shirley in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Shirley is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Nov 178 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar14Moderate
Apr15Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Shirley?

Shirley sits at 40.8°N, 72.9°W, 52 ft above sea level, in United States. The nearest listed city is Mastic, 1.2 mi away.

Topography around Shirley

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

Within 2 miles, the terrain around Shirley has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 49 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 335 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,010 ft.

The land around Shirley is covered by trees (67%) within 2 miles, trees (47%) and water (34%) within 10 miles, and water (58%) and trees (32%) within 50 miles.

2 miles
118 ft
10 miles
335 ft
50 miles
1,010 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Mastic 1.2 mi · Medford 6.8 mi · East Patchogue 6.8 mi · Coram 8.7 mi · Farmingville 8.7 mi · Holtsville 9.3 mi · Selden 9.9 mi · Holbrook 11 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 Shirley (40.8015°, -72.8676°, elevation 52 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).