Byblos weather in April

In April, Byblos sees average daytime highs of 18°C and overnight lows near 9°C, with 49 mm of precipitation across 7.1 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 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 51% 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 Byblos's 7th-clearest and 3rd-windiest month. For the whole year in context, see Byblos's year-round climate.

Daytime high
18°
8th warmest
Overnight low
5th coldest
Precipitation
49 mm
7.1 wet days
Daylight
12 h 54 min
5:12 AM – 6:03 PM
Cloud cover
40%
7th clearest
Wind
9 km/h
3rd windiest
Solar energy
6.37 kWh/m²
Travel score
6.3
out of 10

Byblos is Mediterranean city in the Mount Lebanon Governorate, Lebanon, a main Canaanite-Phoenician city.

Density
4,157/km²
people per km²
Founded
~8000 BCE

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 16°C in the first days to 19°C by the end.

A typical April day in Byblos reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1167
2167
3168
4168
5168
6168
7168
8178
9178
10178
11178
12179
13179
14179
15189
16189
17189
18189
19189
20189
211810
221810
231910
241910
251910
261910
271910
281910
291910
301911

Byblos 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 12613.73.6102.5
Feb11° / 121123.410.72.8
Mar14° / 9910.91.411.74.2
Apr18° / 497.10.212.86.3
May22° / 13°244.5013.88.1
Jun25° / 16°30.6014.29.3
Jul28° / 19°00.10148.8
Aug28° / 19°10.3013.38.3
Sep27° / 17°61.6012.28.8
Oct23° / 14°305.8011.18.1
Nov18° / 6980.310.26.2
Dec13° / 10911.41.49.83.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56436
66535
76634
86634
96832
106832
116931
126931
136931
146931
157030
167030
177030
187129
197129
207228
217327
227327
237426
247426
257525
267525
277525
287624
297723
307723

Chance of precipitation in April

Any precipitationSnow

Byblos gets around 49 mm of rain and snow over 7.1 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 24% and peaks near 31% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1312
2312
3301
4291
5291
6281
7271
8261
9261
10251
11251
12251
13241
14241
15241
16241
17241
18241
19231
20231
21220
22220
23210
24210
25210
26200
27200
28190
29190
30190

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991

Wind in April

Winds average 9 km/h in April.

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:33 AM to 4:55 AM, and sunset from 5:52 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:335:52
212.45:315:52
312.45:305:53
412.45:285:54
512.55:275:55
612.55:265:55
712.55:245:56
812.65:235:57
912.65:215:58
1012.65:205:59
1112.75:195:59
1212.75:176:00
1312.75:166:01
1412.85:156:02
1512.85:136:02
1612.95:126:03
1712.95:116:04
1812.95:106:05
1913.05:086:06
2013.05:076:06
2113.05:066:07
2213.15:056:08
2313.15:036:09
2413.15:026:09
2513.25:016:10
2613.25:006:11
2713.24:596:12
2813.34:586:13
2913.34:566:13
3013.34:556:14

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.37 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 8 kWh/m² in June across the year — April's 6.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
66.0Bright
76.0Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.8Intense
286.8Intense
296.8Intense
306.9Intense
Planning a trip in April

Hazard calendar for Byblos

In seasonPeak

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

Byblos's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Byblos?

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

6.3
Sightseeing
7th-best month of the year
1.9
Beach & pool
8th-best month of the year

April is a reasonable time to visit Byblos for sightseeing.

What to pack for Byblos in April

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

In April, Byblos sees daytime highs around 18°C and nights near 9°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Byblos in April

The nearest coast averages about 19°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 28°C and coldest in February near 17°C.

It's comfortable for a long swim from May 3 to Dec 23 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb17Cool
Mar17Cool
Apr19Cool
May21Refreshing
Jun25Warm
Jul27Warm
Aug28Tropical
Sep28Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Byblos 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 Byblos peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Byblos 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 Byblos is worst in November — around 58 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorUnhealthyNov 2258 µg/m³Jul 2231 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb57Unhealthy
Mar52Poor
Apr54Poor
May44Poor
Jun35Poor
Jul31Moderate
Aug31Moderate
Sep41Poor
Oct51Poor
Nov58Unhealthy
Dec57Unhealthy
Location & terrain

Where is Byblos?

Byblos sits at 34.1°N, 35.6°E, 33 m above sea level, in Lebanon. The nearest listed city is Jounieh, 16 km away.

JouniehBeirutRa’s BayrūtAleyBsharriChmistârZahleTripoli

Topography around Byblos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Byblos.

Within 3 km, the terrain around Byblos has significant variations in elevation — a maximum elevation change of 494 m around an average of 90 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,768 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,068 m.

The land around Byblos is covered by water (41%), trees (29%) and artificial surfaces (21%) within 3 km, water (47%) and trees (37%) within 16 km, and grassland (35%) and water (34%) within 80 km.

3 km
494 m
16 km
1,768 m
80 km
3,068 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Jounieh 16 km · Beirut 29 km · Ra’s Bayrūt 29 km · Aley 35 km · Bsharri 36 km · Chmistâr 38 km · Zahle 38 km · Tripoli 39 km

Lebanon travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / G
220 V · 50 Hz
Prices
≈ 38% of US
price level, 2024
GDP per capita
$4,473
2024
Happiness
3.7 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
2.2
per 100k, 2020
Road deaths
16.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 477
Religion
Muslim 68%Christian 32%Druze 5%

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 Byblos (34.1211°, 35.6481°, elevation 33 m), 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).