Chester weather in April

In April, Chester sees average daytime highs of 64°F and overnight lows near 46°F, with 3.4 in of precipitation across 10.2 wet days and about 13 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 59°F in the first days to 68°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 36 min by month's end. Set against the rest of the year, April is Chester's 9th-clearest and 2nd-windiest month. For the whole year in context, see Chester's year-round climate.

Daytime high
64°
7th warmest
Overnight low
46°
6th coldest
Precipitation
3.4 in
10.2 wet days
Daylight
13 hours
5:30 AM – 6:33 PM
Cloud cover
61%
9th clearest
Wind
8 mph
2nd windiest
Solar energy
5.16 kWh/m²
Travel score
5.5
out of 10

Chester is city in Delaware County, Pennsylvania, United States.

Density
2,192/km²
people per km²
Founded
1682

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 68°F by the end.

A typical April day in Chester reaches about 64°F in the afternoon and slips back to 46°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 77°F. Set against its neighbours, April runs about 11°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15841
25941
35942
46042
56042
66043
76143
86143
96244
106244
116244
126345
136345
146446
156446
166446
176547
186547
196547
206647
216648
226648
236748
246749
256749
266749
276749
286850
296850
306850

How April really feels in Chester

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.

Chester weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 28°3.19.23.49.50.1
Feb44° / 29°2.98.73.110.40.8
Mar53° / 36°4.010.7211.72.8
Apr64° / 46°3.410.20.3135.5
May73° / 55°3.310.3014.26.6
Jun82° / 65°3.710.2014.86.0
Jul86° / 70°3.610.7014.55.0
Aug84° / 68°3.810.3013.65.6
Sep78° / 61°3.99.1012.36.9
Oct66° / 50°3.67.8010.96.4
Nov55° / 39°2.980.29.83.8
Dec46° / 32°3.88.91.89.21.3

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 16% of April, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34357
44357
54456
64555
74555
84555
94555
104555
114555
124555
134555
144456
154357
164258
174357
184357
194357
204258
214258
224258
234357
244357
254258
264258
274258
284357
294456
304555

Chance of precipitation in April

Any precipitationSnow

Chester gets around 3.4 in of rain and snow over 10.2 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 36% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1362
2362
3362
4362
5362
6362
7352
8352
9352
10352
11351
12341
13341
14341
15341
16351
17351
18351
19340
20340
21340
22330
23330
24330
25330
26330
27330
28330
29330
30320

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 91% 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
397210
497210
596310
696310
796310
896310
995410
1095410
1193520
1293520
1393520
1492620
1592620
1692620
1790730
1890730
1990730
2090730
2190730
2289830
2389830
2489830
2588930
26861040
27851041
28841141
29841141
30831241

Wind in April

Winds average 8 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
297light breeze
307light 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 5:54 AM to 5:10 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)
112.45:546:18
212.45:536:19
312.55:516:20
412.55:496:21
512.65:486:22
612.65:466:23
712.75:446:24
812.75:436:25
912.75:416:26
1012.85:406:27
1112.85:386:28
1212.95:366:29
1312.95:356:30
1413.05:336:31
1513.05:326:32
1613.05:306:33
1713.15:296:34
1813.15:276:35
1913.25:266:36
2013.25:246:37
2113.35:236:38
2213.35:216:39
2313.35:206:40
2413.45:186:41
2513.45:176:42
2613.55:156:43
2713.55:146:44
2813.55:136:45
2913.65:116:46
3013.65:106:47

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.16 kWh/m².

For context, solar energy here swings from a low near 1.86 kWh/m² to a high of 6.1 kWh/m² in June across the year — April's 5.16 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
Planning a trip in April

Hazard calendar for Chester

In seasonPeak

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

Chester 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 Chester?

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

5.5
Sightseeing
6th-best month of the year
1.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Chester for sightseeing.

What to pack for Chester in April

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

In April, Chester sees daytime highs around 64°F and nights near 46°F. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Chester 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 Chester peaks around July 10 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 8Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Chester 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 Chester is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Chester?

Chester sits at 39.8°N, 75.4°W, 13 ft above sea level, in United States. The nearest listed city is Springfield, 6.2 mi away.

Topography around Chester

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

Within 2 miles, the terrain around Chester has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 33 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 725 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,516 ft.

The land around Chester is covered by artificial surfaces (32%), water (32%) and trees (24%) within 2 miles, trees (51%) within 10 miles, and trees (58%) within 50 miles.

2 miles
171 ft
10 miles
725 ft
50 miles
1,516 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Springfield 6.2 mi · Drexel Hill 7.5 mi · Elmwood 8.7 mi · Kingsessing 9.3 mi · Cobbs Creek 9.3 mi · Havertown 9.3 mi · Haddington 11 mi · University City 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 Chester (39.8475°, -75.3578°, elevation 13 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). 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).