Flatlands weather in April

In April, Flatlands sees average daytime highs of 56°F and overnight lows near 46°F, with 3.8 in of precipitation across 10.9 wet days and about 13 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 52°F in the first days to 60°F by the end. The sky is clear or mostly clear about 27% 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 Flatlands's 11th-clearest and 6th-windiest month. For the whole year in context, see Flatlands's year-round climate.

Daytime high
56°
7th warmest
Overnight low
46°
6th coldest
Precipitation
3.8 in
10.9 wet days
Daylight
13 h 06 min
5:24 AM – 6:28 PM
Cloud cover
62%
11th clearest
Wind
10 mph
6th windiest
Solar energy
5.05 kWh/m²
Travel score
3.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 52°F in the first days to 60°F by the end.

A typical April day in Flatlands reaches about 56°F in the afternoon and slips back to 46°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 48°F and 66°F. Set against its neighbours, April runs about 10°F warmer than March and about 9°F cooler than May.

30°40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
15141
25241
35242
45242
55342
65343
75343
85443
95444
105544
115544
125545
135645
145645
155646
165746
175746
185747
195847
205847
215847
225848
235948
245948
255949
266049
276049
286050
296050
306150

How April really feels in Flatlands

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.

Flatlands weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 29°3.69.83.99.40.0
Feb40° / 29°3.48.93.510.40.1
Mar47° / 36°4.510.52.611.71.4
Apr56° / 46°3.810.90.3133.7
May65° / 55°3.511014.25.7
Jun75° / 65°3.911014.86.6
Jul80° / 71°3.811014.66.4
Aug79° / 70°3.910.2013.66.7
Sep73° / 64°3.99.5012.36.9
Oct63° / 53°4.28.8010.95.8
Nov53° / 43°3.48.60.39.73.1
Dec44° / 35°4.4101.99.10.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64258
74258
84357
94357
104357
114357
124357
134357
144258
154258
164258
174357
184258
194258
204258
214258
224258
234258
244159
254159
264258
274357
284357
294357
304456

Chance of precipitation in April

Any precipitationSnow

Flatlands gets around 3.8 in of rain and snow over 10.9 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 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1393
2393
3392
4392
5392
6392
7392
8382
9382
10372
11372
12371
13361
14361
15361
16361
17361
18361
19360
20350
21350
22350
23350
24350
25350
26350
27350
28350
29350
30350

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
49910
59910
69910
79910
89910
99910
109820
119820
129820
139730
149730
159730
169730
179730
189640
199640
209640
219640
229640
239541
249541
259541
269541
279541
289451
299451
309451

Wind in April

Winds average 10 mph in April.

Across April, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light 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 5:48 AM to 5:03 AM, and sunset from 6:12 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:486:12
212.45:476:14
312.55:456:15
412.55:436:16
512.65:426:17
612.65:406:18
712.75:386:19
812.75:376:20
912.85:356:21
1012.85:336:22
1112.95:326:23
1212.95:306:24
1312.95:286:25
1413.05:276:26
1513.05:256:27
1613.15:246:28
1713.15:226:29
1813.25:206:30
1913.25:196:32
2013.35:176:33
2113.35:166:34
2213.35:146:35
2313.45:136:36
2413.45:116:37
2513.55:106:38
2613.55:096:39
2713.55:076:40
2813.65:066:41
2913.65:046:42
3013.75:036:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.05 kWh/m².

For context, solar energy here swings from a low near 1.77 kWh/m² to a high of 6.05 kWh/m² in June across the year — April's 5.05 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in April

Hazard calendar for Flatlands

In seasonPeak

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

Flatlands 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 Flatlands?

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

3.7
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Flatlands.

What to pack for Flatlands in April

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

In April, Flatlands sees daytime highs around 56°F and nights near 46°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Flatlands in April

The nearest coast averages about 46°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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 Flatlands 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 Flatlands 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 Flatlands 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 Flatlands 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 Flatlands?

Flatlands sits at 40.6°N, 73.9°W, 16 ft above sea level, in United States. The nearest listed city is Sheepshead Bay, 1.9 mi away.

Topography around Flatlands

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

Within 2 miles, the terrain around Flatlands has only modest variations in elevation — a maximum elevation change of 89 ft around an average of 30 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 577 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,755 ft.

The land around Flatlands is covered by artificial surfaces (82%) within 2 miles, water (47%) and artificial surfaces (41%) within 10 miles, and trees (48%) and water (32%) within 50 miles.

2 miles
89 ft
10 miles
577 ft
50 miles
1,755 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Sheepshead Bay 1.9 mi · Brooklyn 1.9 mi · East Flatbush 2.5 mi · Gravesend 2.5 mi · Canarsie 2.5 mi · Flatbush 2.5 mi · Kensington 2.5 mi · Brownsville 3.1 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 Flatlands (40.6212°, -73.9349°, elevation 16 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).