West Haven weather in April

In April, West Haven sees average daytime highs of 53°F and overnight lows near 42°F, with 4.6 in of precipitation across 11.5 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 48°F in the first days to 56°F by the end. The sky is clear or mostly clear about 29% 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 West Haven's 11th-clearest and 7th-windiest month. For the whole year in context, see West Haven's year-round climate.

Daytime high
53°
7th warmest
Overnight low
42°
6th coldest
Precipitation
4.6 in
11.5 wet days
Daylight
13 h 06 min
5:19 AM – 6:25 PM
Cloud cover
61%
11th clearest
Wind
10 mph
7th windiest
Solar energy
5.13 kWh/m²
Travel score
2.8
out of 10

West Haven is city in Connecticut, United States.

Density
1,943/km²
people per km²
Founded
1921

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 56°F by the end.

A typical April day in West Haven reaches about 53°F in the afternoon and slips back to 42°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 60°F. Set against its neighbours, April runs about 10°F warmer than March and about 9°F cooler than May.

20°30°40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
14838
24838
34838
44939
54939
64939
75040
85040
95040
105140
115141
125141
135242
145242
155342
165342
175343
185443
195443
205444
215544
225544
235545
245545
255645
265646
275646
285646
295746
305747

How April really feels in West Haven

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 4 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
4
wind chill below the day's low

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

West Haven weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 27°4.310.14.99.40.0
Feb37° / 27°3.89.14.310.30.0
Mar43° / 33°5.110.93.411.70.5
Apr53° / 42°4.611.50.513.12.8
May62° / 52°3.911.6014.35.1
Jun72° / 62°3.910.5014.96.5
Jul78° / 68°3.29.5014.76.9
Aug77° / 68°4.09.6013.77.0
Sep72° / 62°4.38.9012.36.9
Oct62° / 52°5.110.10.110.95.3
Nov51° / 42°4.39.50.69.72.6
Dec42° / 34°5.411.23.39.10.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64555
74555
84555
94555
104555
114555
124654
134654
144654
154654
164654
174654
184654
194654
204555
214555
224555
234654
244654
254555
264555
274555
284555
294555
304555

Chance of precipitation in April

Any precipitationSnow

West Haven gets around 4.6 in of rain and snow over 11.5 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 39% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1395
2395
3404
4404
5404
6404
7404
8394
9393
10393
11383
12383
13382
14382
15382
16381
17381
18381
19381
20380
21380
22370
23380
24380
25380
26380
27380
28390
29390
30390

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 99% 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
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28982
29982
30982

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
2410light breeze
2510light breeze
2610light breeze
2710light 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 5:44 AM to 4:58 AM, and sunset from 6:09 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:09
212.55:426:10
312.55:416:11
412.65:396:12
512.65:376:13
612.65:356:14
712.75:346:15
812.75:326:16
912.85:306:18
1012.85:296:19
1112.95:276:20
1212.95:256:21
1313.05:246:22
1413.05:226:23
1513.15:216:24
1613.15:196:25
1713.15:176:26
1813.25:166:27
1913.25:146:28
2013.35:136:29
2113.35:116:31
2213.45:096:32
2313.45:086:33
2413.55:066:34
2513.55:056:35
2613.55:046:36
2713.65:026:37
2813.65:016:38
2913.74:596:39
3013.74:586:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.13 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.18 kWh/m² in June across the year — April's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for West Haven

In seasonPeak

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

West Haven 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 West Haven?

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

2.8
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in West Haven.

What to pack for West Haven in April

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

In April, West Haven sees daytime highs around 53°F and nights near 42°F. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near West Haven in April

The nearest coast averages about 44°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 11 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 4 to Sep 28 — about 2.9 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb36Bracing
Mar37Bracing
Apr44Bracing
May54Bracing
Jun64Cool
Jul71Refreshing
Aug73Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in West Haven 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 West Haven 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 West Haven 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 West Haven 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 West Haven?

West Haven sits at 41.3°N, 72.9°W, 33 ft above sea level, in United States. The nearest listed city is New Haven, 2.5 mi away.

Topography around West Haven

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

Within 2 miles, the terrain around West Haven has only modest variations in elevation — a maximum elevation change of 226 ft around an average of 39 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 738 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,749 ft.

The land around West Haven is covered by water (36%), artificial surfaces (29%) and trees (26%) within 2 miles, trees (45%) and water (38%) within 10 miles, and trees (60%) and water (31%) within 50 miles.

2 miles
226 ft
10 miles
738 ft
50 miles
1,749 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: New Haven 2.5 mi · East Haven 4.3 mi · Milford 6.8 mi · City of Milford (balance) 6.8 mi · Branford 6.8 mi · Shelton 8.1 mi · Ansonia 8.7 mi · Hamden 9.3 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 West Haven (41.2707°, -72.9471°, elevation 33 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).