Kasos weather by month & the best time to visit
Greece · beach resort · Mediterranean climate
The best time to visit Kasos is July — its sunniest month (Sunshine Score 97/100), with August and June close behind. Kasos averages about 3,085 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 2 mm of rain in July.
When is the best time to visit Kasos?
For sunshine, the best time to visit Kasos is July, then August and June. The dullest month is January (45/100, 113 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kasos?
Kasos is one of the sunniest places on Earth: about 3,085 hours of sunshine a year. 52 Sunshine Score points separate July (97) from January (45), so the month you pick matters. It ranks #7 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 57% of the annual 545 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 45 | 15° / 59°F | 14° / 57°F | 113 mm | 2 | 19° / 66°F |
| February | 47 | 15° / 59°F | 14° / 57°F | 88 mm | 3 | 17° / 63°F |
| March | 59 | 16° / 61°F | 15° / 59°F | 49 mm | 5 | 17° / 63°F |
| April | 77 | 18° / 64°F | 16° / 61°F | 29 mm | 6 | 18° / 64°F |
| May | 94 | 20° / 68°F | 19° / 66°F | 18 mm | 8 | 19° / 66°F |
| June | 96 | 24° / 75°F | 22° / 72°F | 6 mm | 9 | 22° / 72°F |
| July | 97 | 26° / 79°F | 24° / 75°F | 2 mm | 10 | 24° / 75°F |
| August | 97 | 27° / 81°F | 25° / 77°F | 2 mm | 9 | 26° / 79°F |
| September | 94 | 25° / 77°F | 24° / 75°F | 17 mm | 7 | 26° / 79°F |
| October | 89 | 23° / 73°F | 21° / 70°F | 47 mm | 5 | 24° / 75°F |
| November | 85 | 20° / 68°F | 18° / 64°F | 65 mm | 3 | 22° / 72°F |
| December | 58 | 17° / 63°F | 15° / 59°F | 109 mm | 2 | 19° / 66°F |
Sea temperature in Kasos by month
The sea off Kasos is warmest in August at around 26°C / 79°F, and coolest in February at 17°C / 63°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Kasos: questions and answers
What kind of destination is Kasos?
Kasos is a beach resort in Greece with a Mediterranean climate — the sea reaches 26°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Kasos get a year?
Kasos gets about 3,085 hours of sunshine a year, at its best around July.
When is the best time to visit Kasos?
The sunniest time to visit Kasos is July, when the Sunshine Score peaks at 97/100 (with August and June close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Kasos?
January is the least sunny month in Kasos, scoring 45/100 with about 113 mm of rain.
What is the sea temperature in Kasos?
The sea in Kasos ranges from about 17°C (February) to 26°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Kasos?
The typical midday UV index in Kasos peaks around 10 (very high) in July, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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