Climate Insights for Byblos

The climate in Byblos is temperate. The average annual temperature is 16°C and approximately 649mm of precipitation falls per year. January is the wettest month, receiving around 151mm of rainfall. Byblos is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 2°C. Snowfall occurs from January to December, with around 62cm accumulating over the season.

Temperatures in Byblos vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 2°C and an average of 6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Byblos is a relatively dry area, receiving approximately 649mm of precipitation annually, which averages out to around 54mm per month. The wettest month is January, averaging 151mm of rainfall. December and March also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 150mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 62cm accumulating over the season. January typically sees the most snow at around 35cm.

Byblos is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Byblos, which began on March 20, 2026. Byblos is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Byblos is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 13mm per month. By contrast, January can be quite cold with temperatures dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Byblos based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.