Plum weather in April

In April, Plum sees average daytime highs of 61°F and overnight lows near 42°F, with 4.6 in of precipitation across 13.9 wet days and about 13 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 65°F by the end. The sky is clear or mostly clear about 21% 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 Plum's 8th-clearest and 5th-windiest month. For the whole year in context, see Plum's year-round climate.

Daytime high
61°
7th warmest
Overnight low
42°
6th coldest
Precipitation
4.6 in
13.9 wet days
Daylight
13 h 06 min
5:47 AM – 6:51 PM
Cloud cover
68%
8th clearest
Wind
7 mph
5th windiest
Solar energy
4.87 kWh/m²
Travel score
4.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 57°F in the first days to 65°F by the end.

A typical April day in Plum reaches about 61°F in the afternoon and slips back to 42°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 76°F. Set against its neighbours, April runs about 12°F warmer than March and about 9°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15637
25638
35738
45738
55838
65839
75939
85940
95940
106040
116041
126141
136141
146142
156242
166242
176243
186243
196343
206344
216344
226444
236444
246445
256445
266545
276546
286546
296546
306646

How April really feels in Plum

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 2 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
2
wind chill below the day's low

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

Plum weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 23°3.712.87.69.40.0
Feb40° / 24°3.111.36.310.40.1
Mar49° / 32°4.313.13.711.71.8
Apr61° / 42°4.613.91.1134.5
May70° / 51°4.814.5014.25.8
Jun78° / 60°4.913.7014.86.0
Jul82° / 64°4.513.9014.65.8
Aug81° / 62°3.611.8013.66.2
Sep74° / 55°3.910.4012.36.7
Oct62° / 44°3.7110.210.95.2
Nov50° / 35°3.510.41.69.72.3
Dec41° / 28°3.612.359.20.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63466
73367
83466
93565
103565
113565
123565
133565
143565
153565
163466
173466
183466
193565
203565
213565
223466
233367
243367
253466
263466
273367
283367
293367
303565

Chance of precipitation in April

Any precipitationSnow

Plum gets around 4.6 in of rain and snow over 13.9 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 47% and peaks near 49% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1467
2467
3467
4466
5466
6466
7456
8455
9455
10455
11454
12454
13454
14453
15463
16463
17462
18462
19472
20472
21472
22482
23482
24481
25491
26491
27491
28491
29491
30491

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19730
29730
39730
49730
59640
69640
79640
89541
99541
109541
119451
129451
139451
149451
159451
169451
179451
189451
199451
209361
219262
229262
239172
249172
259082
268992
278893
2887103
2986113
3085114

Wind in April

Winds average 7 mph in April.

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

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
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 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 6:12 AM to 5:26 AM, and sunset from 6:36 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:126:36
212.46:106:37
312.56:086:38
412.56:076:39
512.66:056:40
612.66:036:41
712.76:026:42
812.76:006:43
912.85:586:44
1012.85:576:45
1112.95:556:46
1212.95:536:47
1312.95:526:48
1413.05:506:49
1513.05:496:50
1613.15:476:51
1713.15:456:52
1813.25:446:54
1913.25:426:55
2013.25:416:56
2113.35:396:57
2213.35:386:58
2313.45:366:59
2413.45:357:00
2513.55:337:01
2613.55:327:02
2713.55:317:03
2813.65:297:04
2913.65:287:05
3013.75:267:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.87 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 5.92 kWh/m² in June across the year — April's 4.87 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Plum?

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

4.5
Sightseeing
7th-best month of the year
0.9
Beach & pool
7th-best month of the year

April is a reasonable time to visit Plum for sightseeing.

What to pack for Plum in April

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

In April, Plum sees daytime highs around 61°F and nights near 42°F. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

UV index in Plum 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 Plum peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Plum 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 Plum is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 148 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr12Good
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Plum?

Plum sits at 40.5°N, 79.7°W, 1,138 ft above sea level, in United States. The nearest listed city is Penn Hills, 5.0 mi away.

Topography around Plum

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

Within 2 miles, the terrain around Plum has only modest variations in elevation — a maximum elevation change of 509 ft around an average of 1,138 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 784 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,329 ft.

The land around Plum is covered by trees (68%) and grassland (24%) within 2 miles, trees (73%) within 10 miles, and trees (74%) within 50 miles.

2 miles
509 ft
10 miles
784 ft
50 miles
2,329 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Penn Hills 5.0 mi · Murrysville 5.6 mi · Monroeville 5.6 mi · Wilkinsburg 8.1 mi · West Mifflin 11 mi · Allison Park 12 mi · McKeesport 12 mi · Pittsburgh 14 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 Plum (40.5003°, -79.7495°, elevation 1,138 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. 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).