Climate guide for Byblos, Lebanon

Best Time to Visit
Byblos

How to read the score (0–10)
05810
UnfavorableGoodOptimal
01 · Lebanon

About Byblos

Byblos, known locally as Jbeil, is among the oldest continuously inhabited towns in the world and is listed by UNESCO. A Crusader castle stands over Phoenician tombs, Roman columns and an Egyptian temple, with the fishing harbour and the old souq just beside them. Beirut is a short drive south, and the caves of Jeita and the coastal town of Batroun are easy day trips. April to June and September to November are mild; summers are hot and winters wet.

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Did you know?

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Travel Tips

01Best time & timing
The strongest months are May, April, October: May peaks at 10.0/10, while January drops to 5.6/10.
02Weather & what to pack
21°C and 9 mm of rain shape a typical May here. Pack light clothing, a hat and real sun protection.
03Crowds & value
Book early for May, the busiest stretch; April is the value window at 9.2/10.

Things to do in Byblos

Byblos, Lebanon. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Byblos: the short answer

The best time to visit Byblos is May, followed by April, October. Those months combine the most usable temperatures with the fewest lost days to rain: May averages 21°C with 9 mm of rain and about 31 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are January, December. If budget matters more than perfect weather, February is the strongest of the low-rate months at 6.6/10.

Across the year Byblos swings from 12°C in February to 27°C in July, a 16-degree spread, while rainfall ranges from 0 mm in July to 146 mm in December. That is the whole planning problem in one sentence: Byblos is not equally good year-round, and the difference between the best and worst month here is 4.4 points on a 10-point scale.

Warmest month: July (27°C). Coolest: February (12°C). Driest: July (0 mm). Wettest: December (146 mm).

Byblos month by month

January in Byblos — workable with trade-offs

Trade-offs · 5.6/10

January averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 127 mm this is a genuinely wet month: about 2 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 5.6/10 here, 12th of 12 months, against 10/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Flexible dates? May scores 4.4 points higher here — enough to change the trip.

February in Byblos — workable with trade-offs

Trade-offs · 6.6/10

February averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 93 mm, so plan one flexible day in three; you still get about 9 days with 6+ hours of sunshine and 10.7 hours of daylight.

It scores 6.6/10 here, 10th of 12 months, against 10/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

Flexible dates? May scores 3.4 points higher here — enough to change the trip.

March is one of the strongest months in Byblos (4th)

Best window · 8.6/10

Temperatures hover around 13°C (56°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 55 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Byblos at 8.6/10 (4th of 12), just behind May at 10/10.

Budget for mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

April in Byblos — one of the year's strongest windows (2nd)

Best window · 9.2/10

April averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 61 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 12.9 hours of daylight.

A 9.2/10 puts this among the year's best months in Byblos (2nd of 12); only May scores higher, at 10/10.

Figure on mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

May in Byblos — the year's strongest window

Best window · 10/10

At 21°C (69°F) this is comfortable city weather in May, with sightseeing easiest before lunch and after the afternoon peak.

At just 9 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.8 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Byblos at 10/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

June ranks 5th of 12 for Byblos — one of the best windows

Best window · 8.6/10

June averages 25°C (77°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rain is a non-issue at 2 mm for the month, with about 30 days with 6+ hours of sunshine and 14.3 hours of daylight to work with.

A 8.6/10 puts this among the year's best months in Byblos (5th of 12); only May scores higher, at 10/10.

Figure on mid-season pricing, with crowds are moderate.

Pack light clothing, a hat and real sun protection.

July in Byblos: strong conditions, 9th of 12

Good · 7.7/10

July averages 27°C (81°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 0 mm for the month, with about 31 days with 6+ hours of sunshine and 14.1 hours of daylight to work with.

It scores 7.7/10 here, 9th of 12 months, against 10/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Flexible dates? May scores 2.3 points higher here — enough to change the trip.

August holds up well in Byblos — 7th best month

Good · 7.9/10

Days in August average 27°C (80°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

At just 0 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.3 hours of daylight.

That is 7.9/10 on the same scale — 7th of 12 months, versus 10/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

If your dates are flexible, May is materially better in Byblos — 2.1 points higher on the same scale.

September holds up well in Byblos — 6th best month

Good · 8.4/10

At 25°C (78°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

At just 3 mm for the month, rain will not shape your plans; you get about 27 days with 6+ hours of sunshine and 12.2 hours of daylight.

That is 8.4/10 on the same scale — 6th of 12 months, versus 10/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack light clothing, a hat and real sun protection.

If your dates are flexible, May is materially better in Byblos — 1.6 points higher on the same scale.

October ranks 3rd of 12 for Byblos — one of the best windows

Best window · 9.1/10

October averages 23°C (73°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rain is a non-issue at 10 mm for the month, with about 16 days with 6+ hours of sunshine and 11.1 hours of daylight to work with.

A 9.1/10 puts this among the year's best months in Byblos (3rd of 12); only May scores higher, at 10/10.

Figure on mid-season pricing, with crowds are moderate.

Pack light clothing, a hat and real sun protection.

November in Byblos: strong conditions, 8th of 12

Good · 7.8/10

November averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 60 mm, so plan one flexible day in three; you still get about 6 days with 6+ hours of sunshine and 10.2 hours of daylight.

It scores 7.8/10 here, 8th of 12 months, against 10/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Flexible dates? May scores 2.2 points higher here — enough to change the trip.

December in Byblos — middling scores, decent value

Trade-offs · 5.7/10

Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.

146 mm of rain signals a properly wet month, with only about 2 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 5.7/10 on the same scale — 11th of 12 months, versus 10/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

If your dates are flexible, May is materially better in Byblos — 4.3 points higher on the same scale.

FAQ

Frequently asked

When is the best time to visit Byblos, Lebanon?
In Ideal Weather mode, the best months to visit Byblos are May, April, October. May is the single peak month with an Ideal Weather score of 10.0/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Byblos year-round?
Byblos has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 12°C in February to 27°C in July, with Ideal Weather scores between 5.6 and 10.0 out of 10.
Which months should I avoid in Byblos?
The lowest Ideal Weather-scoring months in Byblos are January (5.6/10), December (5.7/10), February (6.6/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Byblos?
December is the wettest month in Byblos, averaging about 146 mm of rainfall. July is the driest, at roughly 0 mm.
Which is the sunniest month in Byblos?
May sees the most sun in Byblos, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Byblos a good destination for sightseeing and cultural travel?
Byblos is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (May, April, October) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Byblos calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Byblos: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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Curated in Byblos

Tickets & experiences