May · Greece
Best time to visit Symi in May Weather, crowds & prices
Weather in Symi in May
Average temperature 21°C, 22 mm of rain, about 31 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.0/10
Ranked #6 of 12 months
- Avg temp
- 21°C
- Rainfall
- 22 mm
- Humidity
- 71%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Symi scores 9.0/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 21°C, 22 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Symi's neoclassical harbour houses climb a hillside above one of the Aegean's prettiest ports.
May ranks 6th of 12 for Symi — one of the best windows
May averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 22 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 14 daylight hours.
A 9/10 puts this among the year's best months in Symi (6th 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 Symi in May?
- In May, Symi averages 21°C, 22 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is May a good time to visit Symi?
- May earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Symi in May?
- Expect about 22 mm of rain in May. Average humidity is 71% and there are about 31 days with 6+ hours of sunshine.
Curated in Symi
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Symi, Greece. Live activities and tours from GetYourGuide, matched to this destination.