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Weather & Climate in Byblos, Lebanon
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Byblos enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 55°F in January while summers reach 77°F in July. The area gets 268 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 37.3 inches. The city sits at an elevation of 108 feet.
Temperature
55°F Jan (13°C)
77°F Jul (25°C)
| Annual Average | 66.7°F |
| 24% above US avg | |
| January Average | 55°F (13°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 268 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 10,769/sq mi |
| Coordinates | 34.1211°N, 35.6481°W |
| Timezone | Asia/Beirut |
Precipitation & Snow
Air Quality
Earthquake History
81 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| May 11, 2012 | 76 km S of Ayia Napa, Cyprus | M5.4 | 140 km | 17 km |
| Mar 22, 1993 | 47 km SE of Protaras, Cyprus | M5.4 | 131 km | 32 km |
| Feb 15, 2008 | 11 km ENE of Tyre, Lebanon | M5.1 | 94 km | 10 km |
| Mar 29, 2006 | 45 km SW of Latakia, Syria | M5.0 | 127 km | 27 km |
| Mar 26, 1997 | 3 km WNW of Nabatîyé et Tahta, Lebanon | M5.0 | 84 km | 10 km |
| Oct 18, 1991 | 12 km SSE of Jayr?d, Syria | M4.9 | 115 km | 10 km |
| Jun 23, 2025 | 47 km SSE of Ayia Napa, Cyprus | M4.8 | 148 km | 10 km |
| Mar 26, 1997 | 12 km SW of Baabda, Lebanon | M4.7 | 46 km | 10 km |
| Feb 6, 2023 | 57 km W of B?niy?s, Syria | M4.7 | 118 km | 10 km |
| Jul 28, 2012 | 29 km SE of Protaras, Cyprus | M4.5 | 148 km | 47 km |
| Feb 22, 2023 | 65 km NW of Tyre, Lebanon | M4.4 | 108 km | 10 km |
| Sep 1, 2014 | 7 km NE of Az Zabad?n?, Syria | M4.4 | 60 km | 10 km |
| Feb 11, 2008 | 14 km SSW of Nabatîyé et Tahta, Lebanon | M4.3 | 98 km | 0 km |
| Jun 20, 1993 | 60 km NW of Tyre, Lebanon | M4.3 | 102 km | 10 km |
| Feb 10, 2023 | 59 km WNW of ?ar??s, Syria | M4.3 | 111 km | 10 km |
| Jan 21, 2023 | 12 km ENE of Tallkalakh, Syria | M4.3 | 94 km | 10 km |
| Oct 30, 1997 | 67 km W of ?ar??s, Syria | M4.2 | 100 km | 15 km |
| Nov 12, 1993 | 4 km SSW of Bhamdoun, Lebanon | M4.2 | 40 km | 10 km |
| Aug 4, 1991 | 50 km S of Ayia Napa, Cyprus | M4.2 | 150 km | 27 km |
| Feb 24, 2023 | 57 km WSW of Latakia, Syria | M4.2 | 134 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1759 | AKKO | Earthquake | 8.0 m | 2,000 | 125 km |
| 1837 | ISRAEL and SYRIAN COASTS | Earthquake | - | 6,000 | 125 km |
| 1202 | SOUTHWESTERN SYRIA | Eruption + Earthquake | - | 30,000 | 76 km |
| 1033 | AKKO | Earthquake | - | 70,000 | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 55°F (13°C) | 8.3 in | Coldest, Wettest |
| February | 55°F (13°C) | 6.5 in | |
| March | 58°F (14°C) | 5.0 in | |
| April | 63°F (17°C) | 2.4 in | |
| May | 68°F (20°C) | 0.9 in | |
| June | 74°F (23°C) | 0.1 in | |
| July | 77°F (25°C) | 0.0 in | Driest |
| August | 79°F (26°C) | 0.0 in | Warmest |
| September | 77°F (25°C) | 0.3 in | |
| October | 72°F (22°C) | 1.8 in | |
| November | 65°F (18°C) | 4.7 in | |
| December | 58°F (14°C) | 7.4 in |
Byblos has a seasonal temperature swing of 24°F / from 55°F in January to 79°F in August. Total annual precipitation is 37.3 inches, with January being the wettest month (8.3") and July the driest (0.0").