May · Greece
Best time to visit Mykonos in May Weather, crowds & prices
Weather in Mykonos in May
Average temperature 20°C, 16 mm of rain, about 30 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.4/10
Ranked #6 of 12 months
- Avg temp
- 20°C
- Rainfall
- 16 mm
- Humidity
- 68%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Mykonos scores 8.4/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 20°C, 16 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Mykonos pairs a whitewashed harbor town with sandy south-coast beaches and a steady summer wind.
May in Mykonos — reliably good (6th best month)
May averages 20°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 16 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 14.2 daylight hours.
It scores 8.4/10 here, 6th of 12 months, against 10/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? June scores 1.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Mykonos in May?
- In May, Mykonos averages 20°C, 16 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is May a good time to visit Mykonos?
- May earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Mykonos in May?
- Expect about 16 mm of rain in May. Average humidity is 68% and there are about 30 days with 6+ hours of sunshine.
Curated in Mykonos
Tickets & experiences
Things to do in Mykonos
Mykonos, Greece. Live activities and tours from GetYourGuide, matched to this destination.