Lebanon weather in April

In April, Lebanon sees average daytime highs of 62°F and overnight lows near 44°F, with 3.8 in of precipitation across 10.8 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 66°F by the end. The sky is clear or mostly clear about 24% 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 Lebanon's 8th-clearest and 4th-windiest month. For the whole year in context, see Lebanon's year-round climate.

Daytime high
62°
7th warmest
Overnight low
44°
6th coldest
Precipitation
3.8 in
10.8 wet days
Daylight
13 h 06 min
5:34 AM – 6:38 PM
Cloud cover
64%
8th clearest
Wind
7 mph
4th windiest
Solar energy
5.05 kWh/m²
Travel score
5.1
out of 10

Lebanon is county seat of Lebanon County, Pennsylvania, United States.

Density
2,366/km²
people per km²
Founded
1720

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 57°F in the first days to 66°F by the end.

A typical April day in Lebanon reaches about 62°F in the afternoon and slips back to 44°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 50°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)
15639
25739
35740
45840
55840
65941
75941
86041
96042
106142
116142
126143
136243
146244
156344
166344
176345
186445
196445
206446
216546
226546
236546
246547
256647
266647
276647
286748
296748
306749

How April really feels in Lebanon

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.

Lebanon 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
Jan38° / 25°3.49.34.49.50.0
Feb41° / 26°3.08.9410.40.2
Mar50° / 33°3.910.53.211.72.3
Apr62° / 44°3.810.80.4135.1
May72° / 54°3.611.9014.26.3
Jun81° / 63°3.611.3014.86.0
Jul85° / 68°3.610.2014.65.2
Aug83° / 66°3.210013.65.8
Sep76° / 59°4.39.4012.36.9
Oct64° / 47°3.78.70.110.95.9
Nov53° / 37°3.28.40.79.83.0
Dec43° / 30°3.79.32.99.20.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
74060
84060
94060
104159
114060
124060
134060
144159
154060
164060
174060
183961
193961
204060
213961
223961
234159
244060
254060
264060
274159
284159
294258
304258

Chance of precipitation in April

Any precipitationSnow

Lebanon gets around 3.8 in of rain and snow over 10.8 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 37% and peaks near 38% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1374
2374
3374
4374
5374
6373
7373
8373
9373
10372
11372
12372
13372
14371
15371
16371
17371
18371
19370
20370
21370
22360
23360
24370
25370
26370
27370
28370
29380
30380

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 (%)
19820
29820
39820
49820
59820
69730
79730
89730
99730
109640
119541
129541
139451
149451
159451
169361
179361
189361
199361
209172
219172
229172
239172
249082
259082
268992
278992
2887103
2987103
3086113

Wind in April

Winds average 7 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.

0246810151015202530
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
127light breeze
137light breeze
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 5:58 AM to 5:13 AM, and sunset from 6:22 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:586:22
212.45:576:23
312.55:556:24
412.55:536:25
512.65:526:26
612.65:506:27
712.75:486:29
812.75:476:30
912.85:456:31
1012.85:436:32
1112.85:426:33
1212.95:406:34
1312.95:396:35
1413.05:376:36
1513.05:356:37
1613.15:346:38
1713.15:326:39
1813.25:316:40
1913.25:296:41
2013.25:286:42
2113.35:266:43
2213.35:256:44
2313.45:236:45
2413.45:226:46
2513.55:206:47
2613.55:196:48
2713.55:186:49
2813.65:166:50
2913.65:156:52
3013.75:136:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.05 kWh/m².

For context, solar energy here swings from a low near 1.76 kWh/m² to a high of 6.09 kWh/m² in June across the year — April's 5.05 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
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Lebanon?

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

5.1
Sightseeing
7th-best month of the year
1.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Lebanon for sightseeing.

What to pack for Lebanon in April

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

In April, Lebanon sees daytime highs around 62°F and nights near 44°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Lebanon 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 Lebanon peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Lebanon 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 Lebanon is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Lebanon?

Lebanon sits at 40.3°N, 76.4°W, 469 ft above sea level, in United States. The nearest listed city is Lancaster, 22 mi away.

Topography around Lebanon

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

Within 2 miles, the terrain around Lebanon has only modest variations in elevation — a maximum elevation change of 256 ft around an average of 525 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,201 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,178 ft.

The land around Lebanon is covered by trees (32%), grassland (27%) and artificial surfaces (27%) within 2 miles, trees (36%), cropland (36%) and grassland (23%) within 10 miles, and trees (58%) and cropland (21%) within 50 miles.

2 miles
256 ft
10 miles
1,201 ft
50 miles
2,178 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Lancaster 22 mi · Harrisburg 25 mi · Reading 25 mi · York 31 mi · Pottstown 40 mi · Carlisle 42 mi · Limerick 47 mi · Hanover 48 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 Lebanon (40.3409°, -76.4113°, elevation 469 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).