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.
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- Sun hours / year
- 3,085
- Sunniest month
- July
- Peak score
- 97/100
- Rain / year
- 545 mm
- Midday UV at peak
- 10 (very high)
- Sea at warmest
- 26°C / 79°F
- Population
- 9k
- Elevation
- 9 m
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.
See Kasos on the interactive sunshine globe →
Nearby places for sunshine
- Karpathos Greece · 21 km · best in Jul · 3,177 h sun/yr
- Rhodes Greece · 152 km · best in Jul · 3,201 h sun/yr
- Kos Greece · 154 km · best in Jul · 3,218 h sun/yr
- Heraklion Greece · 157 km · best in Jul · 2,929 h sun/yr
- Santorini Greece · 169 km · best in Jun · 3,012 h sun/yr
- Bodrum Türkiye · 214 km · best in Jul · 3,195 h sun/yr
Nearest destinations
- Sitia Greece · 77 km · 3,084 h sun/yr · best in Jul
- Astypalaia Greece · 137 km · 3,100 h sun/yr · best in Jun
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