May · Greece
Best time to visit Lesbos in May Weather, crowds & prices
Weather in Lesbos in May
Average temperature 20°C, 31 mm of rain, about 30 days with 6+ hours of sunshine and 60% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.8/10
Ranked #5 of 12 months
- Avg temp
- 20°C
- Rainfall
- 31 mm
- Humidity
- 60%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Lesbos scores 8.8/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 20°C, 31 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Lesbos is a large Aegean island of olive groves, ouzo distilleries and a petrified forest near Sigri.
May ranks 5th of 12 for Lesbos — one of the best windows
May averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 14.3 daylight hours.
A 8.8/10 puts this among the year's best months in Lesbos (5th of 12); only June scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Lesbos in May?
- In May, Lesbos averages 20°C, 31 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
- Is May a good time to visit Lesbos?
- May earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lesbos in May?
- Expect about 31 mm of rain in May. Average humidity is 60% and there are about 30 days with 6+ hours of sunshine.
Curated in Lesbos
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Things to do in Lesbos
Lesbos, Greece. Live activities and tours from GetYourGuide, matched to this destination.