Greece
Mykonos in May: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Mykonos in May is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 20 °C, and the sea is about 18 °C. With about 4 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
76/100 · #6
Warmth
#6
Dryness
#5
Sun
#3
Sea warmth
#7
Published best categories: City break, Active
Mykonos · MayPhoto: Warren LeMay from Chicago, IL, United States · CC BY-SA 2.0Climate facts
- Average high
- 20 °C
- Average low
- 18 °C
- Sea
- 18 °C
- Rainy days (est.)
- 4 rainy days (est.)
- Sun (est.)
- 9 h/day
- Humidity
- 79 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 17 | 15 | 5 | 29 | 7.1 | 77 | 4.8 | 16 | 63 |
| May (selected) | 20 | 18 | 4 | 17 | 8.6 | 79 | 4.2 | 18 | 76 |
| June | 23 | 22 | 2 | 7 | 9.6 | 78 | 4.7 | 21 | 89 |
How do the previous and next months compare?
Baseline: May (76/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | -13 | -2.9 °C | -3 °C | +1.8 | +11.3 mm | -1.5 h | -2 % | +0.6 m/s | -1.9 °C |
| June | +13 | +3.5 °C | +3.6 °C | -2.1 | -10.5 mm | +1 h | -0.9 % | +0.6 m/s | +3.1 °C |
All twelve months in context
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Where to stay in Mykonos
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Frequently asked questions
How warm is Mykonos in May?
The average daily high is around 20 °C, with an average daily low of about 18 °C.
Can you swim in Mykonos in May?
The sea is about 18 °C (refreshing).
Does it rain a lot in Mykonos in May?
The curated estimate is about 4 rainy days per month, not a directly measured long-term average. Total precipitation averages around 17 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Mykonos?
By the climate score, June, July, August and September are the strongest months for Mykonos. For a beach trip: June, July, August and September. May is not among them.