Byblos, a historic coastal city in Lebanon, enjoys a classic Mediterranean climate with hot, dry summers and mild, wetter winters. The city experiences abundant sunshine, especially from late spring through early autumn, making it ideal for beach activities and sightseeing. Seasonal variations offer comfortable conditions for travel nearly all year round, with only brief periods of heavy rain.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Byblos features a Mediterranean climate characterised by four distinct seasons. Summers (June to September) are hot, dry, and sunny, with daytime highs typically ranging from 26°C to 30°C and minimal rainfall. Nights remain comfortably warm, and sea temperatures rise to 25–28°C, perfect for swimming. The city enjoys up to 12 hours of sunshine per day during peak summer, and humidity can be moderate to high, especially in July and August.
Winters (December to February) are mild and wetter, with daytime highs of 11–17°C and lows around 4–13°C. Rain is more frequent, with January being the wettest month (averaging 162 mm of rainfall and about 15 rainy days). Snow is extremely rare along the coast. Spring (March to May) and autumn (October to November) offer pleasantly warm weather, fewer crowds, and lower rainfall, making them ideal for exploring the city’s archaeological sites and old town. Sunshine hours increase rapidly in spring and remain high until late autumn, with daylight ranging from about 10 hours in winter to 14 hours in summer. Winds are generally light, though coastal breezes provide relief during hot spells.
Byblos’ climate supports a vibrant outdoor lifestyle, from beach outings in summer to cultural walks in the shoulder seasons. The mild winters and abundant sunshine make it an attractive destination year-round, with only brief interruptions from winter rains.
| Average climate data for Byblos, Lebanon | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 10 | 11 | 14 | 18 | 23 | 26 | 29 | 29 | 27 | 23 | 17 | 11 | 29 |
| Average minimum temperature (°C) | 2 | 2 | 4 | 7 | 10 | 13 | 15 | 15 | 14 | 11 | 7 | 4 | 2 |
| Average precipitation (mm) | 163 | 126 | 102 | 50 | 15 | 2 | 0 | 0 | 2 | 40 | 85 | 148 | 733 |
| Average rainfall days (days) | 15 | 14 | 11 | 7 | 3 | 1 | 1 | 1 | 1 | 6 | 8 | 13 | 81 |
| Average water temperature (°C) | 19 | 18 | 18 | 18 | 22 | 25 | 27 | 28 | 28 | 26 | 23 | 20 | 23 |
| Average daily daylight hours (h) | 10 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 12 |
| Average daily sunshine hours (h) | 5 | 5 | 6 | 8 | 10 | 12 | 12 | 11 | 10 | 8 | 6 | 5 | 8 |
| Average UV index | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 3 | 7 |
The best time to visit Byblos is from late spring (May) to early autumn (September), when the weather is hot, sunny, and dry – ideal for beach activities, swimming, and vibrant nightlife. For a quieter experience with pleasant temperatures and fewer crowds, consider visiting in May or September.
The least favourable time to visit Byblos is in winter, particularly January and February, when rain is most frequent and some days can be overcast or breezy. While temperatures remain mild, the wetter conditions may limit outdoor activities and beach enjoyment.
Byblos has a Mediterranean climate with hot, dry summers and mild, wetter winters. Summer temperatures reach 26–30°C, while winter highs are 11–17°C. Most rain falls from December to February, and sunshine is abundant in summer.
The best months for beach activities in Byblos are June to September, when sea temperatures are warm (25–28°C), days are sunny, and rainfall is minimal. Early summer and September offer slightly cooler, less crowded conditions.
Rain is concentrated in winter, especially in January, which averages 162 mm and about 15 rainy days. Summers are very dry, with little to no rainfall from June to August. Spring and autumn have moderate, brief showers.
Winters in Byblos are mild, with daytime highs of 11–17°C and lows around 4–13°C. Snow is extremely rare along the coast, and most winter days are suitable for sightseeing, though rain is more frequent.
Byblos enjoys 10–12 hours of sunshine per day in summer and about 5–6 hours in winter. Daylight increases quickly in spring and remains high until late autumn, supporting a lively outdoor lifestyle most of the year.
Byblos is still pleasant in winter thanks to mild temperatures, but rain is more likely, especially in January and February. While beach activities are limited, the city’s historic sites and restaurants remain open for visitors.
For summer, bring light, breathable clothes, swimwear, and sun protection. In spring and autumn, pack layers and a light jacket. For winter, include waterproof clothing and an umbrella to stay comfortable during occasional rain.
The warmest month, with the highest average maximum temperature, is July (29.1 °C). The month with the lowest average maximum temperature is January (9.9 °C). Overall, the average maximum temperature over the whole year is 19.8 °C.
The month with the highest average minimum temperature is August (15.1 °C). The coldest month, with the lowest average minimum temperature, is January (2 °C). Overall, the average minimum temperature over the whole year is 8.7 °C.
The month with the highest average water temperature is August (28.5 °C). The month with the lowest average water temperature is February (17.6 °C). Overall, the average water temperature over the whole year is 22.6 °C.
The wettest month, with the highest amount of precipitation, is January (163.4 mm). The driest months, with the least amount of precipitation, are July and August (0 mm). Over the whole year there are 732.7 mm of rainfall on average.
The month with the most days of rain is January (15.1 days). The month with the fewest days of rain is June (0.9 days). Over the whole year there are 81.5 days of rain on average.
The month with the longest days, so the most daylight, is June (Average daylight: 14 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9.1 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 12 h). The month with the least sunshine per day is January (Average sunshine: 4.9 h). Over the whole year there are 8.2 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 11). The months with the lowest average UV index are January and December (UV index: 3). Over the whole year the average UV index is 7.
