Dover weather in April

In April, Dover sees average daytime highs of 64°F and overnight lows near 47°F, with 3.3 in of precipitation across 9.9 wet days and about 13 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 59°F in the first days to 67°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 36 min by month's end. Set against the rest of the year, April is Dover's 8th-clearest and 4th-windiest month. For the whole year in context, see Dover's year-round climate.

Daytime high
64°
7th warmest
Overnight low
47°
6th coldest
Precipitation
3.3 in
9.9 wet days
Daylight
13 hours
5:32 AM – 6:33 PM
Cloud cover
59%
8th clearest
Wind
9 mph
4th windiest
Solar energy
5.37 kWh/m²
Travel score
5.6
out of 10

Dover is capital city of the U.S. state of Delaware and seat of Kent County.

Density
648/km²
people per km²
Founded
1683

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 59°F in the first days to 67°F by the end.

A typical April day in Dover reaches about 64°F in the afternoon and slips back to 47°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 76°F. Set against its neighbours, April runs about 11°F warmer than March and about 9°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
15843
25943
35943
46044
56044
66044
76145
86145
96246
106246
116246
126346
136347
146447
156447
166448
176448
186549
196549
206549
216549
226650
236650
246650
256751
266751
276751
286751
296752
306852

How April really feels in Dover

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.

Dover weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan43° / 30°3.19.22.99.60.4
Feb45° / 31°3.08.92.910.51.0
Mar53° / 38°4.110.31.611.72.9
Apr64° / 47°3.39.90.2135.6
May72° / 57°3.410.7014.16.6
Jun81° / 66°3.610.2014.76.2
Jul85° / 71°3.711014.55.2
Aug83° / 70°4.310.5013.55.8
Sep77° / 63°4.19.2012.37.0
Oct67° / 52°3.780116.5
Nov56° / 42°2.97.50.29.94.0
Dec47° / 35°3.79.11.39.31.6

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 17% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34753
44753
54852
64951
74951
84951
94951
104951
115050
125050
134951
144852
154753
164753
174654
184654
194555
204555
214555
224456
234555
244456
254357
264456
274456
284456
294555
304555

Chance of precipitation in April

Any precipitationSnow

Dover gets around 3.3 in of rain and snow over 9.9 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 34% and peaks near 35% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1352
2352
3352
4352
5352
6341
7341
8341
9341
10331
11331
12331
13331
14341
15341
16341
17341
18340
19340
20340
21340
22330
23330
24330
25330
26330
27330
28330
29330
30330

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197210
297210
396310
496310
596310
695410
795410
895410
993520
1093520
1193520
1292620
1391630
1490730
1590730
1690730
1789830
1889830
1989830
2089830
2187940
2287940
2387940
24851041
25851041
26841141
27831241
28831241
29811351
30811351

Wind in April

Winds average 9 mph in April.

Across April, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 5:55 AM to 5:12 AM, and sunset from 6:18 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:556:18
212.45:546:19
312.55:526:20
412.55:506:21
512.65:496:22
612.65:476:23
712.65:466:24
812.75:446:25
912.75:426:26
1012.85:416:27
1112.85:396:28
1212.95:386:29
1312.95:366:30
1412.95:356:31
1513.05:336:32
1613.05:326:33
1713.15:306:34
1813.15:296:35
1913.15:276:36
2013.25:266:37
2113.25:246:38
2213.35:236:39
2313.35:216:40
2413.45:206:41
2513.45:196:42
2613.45:176:43
2713.55:166:44
2813.55:156:45
2913.55:136:46
3013.65:126:47

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 1.93 kWh/m² to a high of 6.33 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
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Dover

In seasonPeak

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

Dover 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 Dover?

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

5.6
Sightseeing
6th-best month of the year
1.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Dover for sightseeing.

What to pack for Dover in April

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

In April, Dover sees daytime highs around 64°F and nights near 47°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Dover in April

The nearest coast averages about 49°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 8 mi away) is warmest in August at about 76°F and coldest in February near 37°F.

It's comfortable for a long swim from Jun 19 to Oct 3 — about 3.5 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb37Bracing
Mar41Bracing
Apr49Bracing
May58Bracing
Jun67Cool
Jul74Refreshing
Aug76Warm
Sep73Refreshing
Oct64Cool
Nov53Bracing
Dec44Bracing

UV index in Dover 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 Dover peaks around July 10 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 8Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Dover 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 Dover is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1115 µg/m³Nov 127 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May13Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep10Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Dover?

Dover sits at 39.2°N, 75.5°W, 30 ft above sea level, in United States. The nearest listed city is Middletown, 22 mi away.

Topography around Dover

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

Within 2 miles, the terrain around Dover has only modest variations in elevation — a maximum elevation change of 131 ft around an average of 39 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 174 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 761 ft.

The land around Dover is covered by trees (41%), artificial surfaces (29%) and grassland (21%) within 2 miles, trees (30%) and cropland (26%) within 10 miles, and trees (39%), water (27%) and cropland (20%) within 50 miles.

2 miles
131 ft
10 miles
174 ft
50 miles
761 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Middletown 22 mi · Bridgeton 24 mi · Millville 31 mi · South Vineland 33 mi · Bear 34 mi · Vineland 35 mi · Elkton 35 mi · Cape May 37 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 Dover (39.1582°, -75.5244°, elevation 30 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).