Mykonos weather by month & the best time to visit
Greece · beach resort · Mediterranean climate

The best time to visit Mykonos is July — its sunniest month (Sunshine Score 96/100), with August and June close behind. Mykonos averages about 2,897 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 3 mm of rain in July.
When is the best time to visit Mykonos?
For sunshine, the best time to visit Mykonos is July, then August and June. The dullest month is January (32/100, 100 mm of rain). The full month-by-month picture is in the table below.
How sunny is Mykonos?
Mykonos gets a lot of sun: around 2,897 hours a year. 64 Sunshine Score points separate July (96) from January (32), so the month you pick matters. It ranks #19 of 40 destinations in Greece for annual sunshine, above the national median of 2,896 hours. Rain has a clear season: the wettest stretch, around January, carries about 53% of the annual 523 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 32 | 13° / 55°F | 11° / 52°F | 100 mm | 2 | 16° / 61°F |
| February | 34 | 13° / 55°F | 12° / 54°F | 84 mm | 3 | 16° / 61°F |
| March | 51 | 15° / 59°F | 13° / 55°F | 48 mm | 4 | 16° / 61°F |
| April | 61 | 16° / 61°F | 14° / 57°F | 29 mm | 6 | 17° / 63°F |
| May | 85 | 19° / 66°F | 17° / 63°F | 21 mm | 7 | 19° / 66°F |
| June | 94 | 23° / 73°F | 21° / 70°F | 9 mm | 9 | 22° / 72°F |
| July | 96 | 24° / 75°F | 23° / 73°F | 3 mm | 9 | 25° / 77°F |
| August | 96 | 25° / 77°F | 23° / 73°F | 2 mm | 8 | 26° / 79°F |
| September | 92 | 23° / 73°F | 22° / 72°F | 20 mm | 7 | 25° / 77°F |
| October | 88 | 20° / 68°F | 19° / 66°F | 46 mm | 4 | 23° / 73°F |
| November | 63 | 17° / 63°F | 16° / 61°F | 68 mm | 2 | 20° / 68°F |
| December | 46 | 15° / 59°F | 13° / 55°F | 93 mm | 1 | 17° / 63°F |
Sea temperature in Mykonos by month
The sea off Mykonos is warmest in August at around 26°C / 79°F, and coolest in January at 16°C / 61°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Mykonos compares month by month: Mykonos vs Athens · Mykonos vs Chaniá · Mykonos vs Samos · Mykonos vs Mytilene · all comparisons
Mykonos: questions and answers
What kind of destination is Mykonos?
Mykonos is a beach resort in Greece with a Mediterranean climate — the sea reaches 26°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Mykonos get a year?
Mykonos gets about 2,897 hours of sunshine a year, at its best around July.
When is the best time to visit Mykonos?
The sunniest time to visit Mykonos is July, when the Sunshine Score peaks at 96/100 (with August and June close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Mykonos?
January is the least sunny month in Mykonos, scoring 32/100 with about 100 mm of rain.
What is the sea temperature in Mykonos?
The sea in Mykonos ranges from about 16°C (January) to 26°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Mykonos?
The typical midday UV index in Mykonos peaks around 9 (very high) in June, easing to about 1 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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