Wilmington weather in April

In April, Wilmington sees average daytime highs of 67°F and overnight lows near 55°F, with 0.6 in of rain across 2.2 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 65°F in the first days to 69°F by the end. The sky is clear or mostly clear about 60% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Wilmington's 8th-clearest and 1st-windiest month. For the whole year in context, see Wilmington's year-round climate.

Daytime high
67°
8th warmest
Overnight low
55°
5th coldest
Rainfall
0.6 in
2.2 wet days
Daylight
12 h 48 min
5:28 AM – 6:18 PM
Cloud cover
36%
8th clearest
Wind
7 mph
1st windiest
Solar energy
6.75 kWh/m²
Travel score
7.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 65°F in the first days to 69°F by the end.

A typical April day in Wilmington reaches about 67°F in the afternoon and slips back to 55°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 75°F. Set against its neighbours, April runs about 2°F warmer than March and about 2°F cooler than May.

50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16554
26554
36554
46554
56554
66654
76655
86655
96655
106655
116655
126655
136755
146755
156755
166755
176755
186755
196756
206756
216856
226856
236856
246856
256856
266856
276857
286957
296957
306957

Wilmington weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 51°2.75.3106.4
Feb63° / 52°2.95.710.76.4
Mar65° / 53°1.74.711.76.9
Apr67° / 55°0.62.212.87.7
May69° / 58°0.31.113.78.2
Jun72° / 61°0.10.214.28.9
Jul76° / 64°0.10.3149.3
Aug78° / 65°0.00.113.39.2
Sep77° / 64°0.10.512.29.2
Oct74° / 61°0.51.711.18.9
Nov68° / 55°0.72.610.27.9
Dec63° / 51°1.94.69.86.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% 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 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57129
67228
77228
87327
97327
107426
117426
127426
137525
147525
157624
167624
177723
187822
197822
207822
217822
227822
237822
247822
257822
267822
277822
287822
297822
307822

Chance of precipitation in April

Any precipitation

Wilmington gets around 0.6 in of rain over 2.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
110
210
310
410
510
69
79
89
99
109
119
128
138
148
157
167
177
186
196
206
216
225
235
245
255
265
275
285
295
305

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1928
2928
3928
4928
5928
6928
7928
8928
9928
10928
11928
12919
13919
14919
159010
169010
178911
188911
198812
208713
218614
228515
238416
248317
258218
268119
278020
287921
297822
307723

Wind in April

Winds average 7 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 5:48 AM to 5:11 AM, and sunset from 6:07 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:486:07
212.35:476:08
312.45:466:09
412.45:446:09
512.55:436:10
612.55:416:11
712.55:406:12
812.65:396:12
912.65:376:13
1012.65:366:14
1112.75:356:15
1212.75:336:15
1312.75:326:16
1412.85:316:17
1512.85:296:18
1612.85:286:18
1712.95:276:19
1812.95:266:20
1912.95:246:21
2013.05:236:22
2113.05:226:22
2213.05:216:23
2313.15:196:24
2413.15:186:25
2513.15:176:25
2613.25:166:26
2713.25:156:27
2813.25:146:28
2913.35:136:29
3013.35:116:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.75 kWh/m².

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.94 kWh/m² in June across the year — April's 6.75 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.5Intense
96.5Intense
106.5Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.8Intense
176.8Intense
186.8Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.1Intense
267.1Intense
277.1Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in April

Is April a good time to visit Wilmington?

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

7.7
Sightseeing
8th-best month of the year
3.6
Beach & pool
8th-best month of the year

April is one of the better times to visit Wilmington for general sightseeing.

What to pack for Wilmington in April

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

In April, Wilmington sees daytime highs around 67°F and nights near 55°F. Pack sun protection.

sun protection

Sea temperature near Wilmington in April

The nearest coast averages about 59°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 9 mi away) is warmest in August at about 68°F and coldest in February near 59°F.

It's comfortable for a long swim from Aug 4 to Sep 13 — about 1.3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan59Bracing
Feb59Bracing
Mar59Bracing
Apr59Cool
May62Cool
Jun65Cool
Jul67Cool
Aug68Refreshing
Sep68Refreshing
Oct66Cool
Nov63Cool
Dec60Cool

UV index in Wilmington in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wilmington peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 16UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Wilmington 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 Wilmington is worst in November — around 37 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (May, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateNov 1736 µg/m³May 2114 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb24Moderate
Mar22Moderate
Apr20Moderate
May14Moderate
Jun16Moderate
Jul24Moderate
Aug20Moderate
Sep32Moderate
Oct24Moderate
Nov37Poor
Dec27Moderate
Location & terrain

Where is Wilmington?

Wilmington sits at 33.8°N, 118.3°W, 23 ft above sea level, in United States. The nearest listed city is Lomita, 3.1 mi away.

Topography around Wilmington

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

Within 2 miles, the terrain around Wilmington has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 30 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,499 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,010 ft.

The land around Wilmington is covered by artificial surfaces (72%) within 2 miles, artificial surfaces (52%) and water (37%) within 10 miles, and water (48%) and artificial surfaces (22%) within 50 miles.

2 miles
171 ft
10 miles
1,499 ft
50 miles
10,010 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
April weather nearby: Lomita 3.1 mi · West Carson 3.1 mi · San Pedro 3.7 mi · Carson 3.7 mi · Long Beach 4.3 mi · Torrance 6.2 mi · Rancho Palos Verdes 7.5 mi · Gardena 8.1 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 Wilmington (33.78°, -118.2626°, elevation 23 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. 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).