Climate guide for Mykonos, Greece

Mykonos in August

Weather, crowds & best time to visit

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

August · Greece

Best time to visit Mykonos in August Weather, crowds & prices

Weather in Mykonos in August

Average temperature 27°C, 3 mm of rain, about 31 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

10.0/10

Ranked #3 of 12 months

Full year for Mykonos
Avg temp
27°C
Rainfall
3 mm
Humidity
66%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Mykonos scores 10.0/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 27°C, 3 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Mykonos pairs a whitewashed harbor town with sandy south-coast beaches and a steady summer wind.

August is one of the strongest months in Mykonos (3rd)

August averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 3 mm for the month, with about 31 days with 6+ hours of sunshine and 13.6 hours of daylight to work with.

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

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

Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Mykonos in August?
In August, Mykonos averages 27°C, 3 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
Is August a good time to visit Mykonos?
August earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Mykonos in August?
Expect about 3 mm of rain in August. Average humidity is 66% and there are about 31 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.