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kos island

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kos island Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

kos island year round climate

  • Spring (March–May): Average 55–66°F, mild and comfortable climate, abundant sunshine, and less rainfall. Common activities: Hiking, exploring historical sites, enjoying the beach. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 76–80°F, hot and dry, strong sunshine. Common activities: Swimming, sunbathing, water sports. Recommended clothing: Light and breathable clothing, hat, sunglasses, sunscreen.
  • Autumn (September–November): Average 69–63°F, pleasant climate, more rainfall in November. Common activities: Visiting museums, tasting local cuisine, enjoying the beach. Recommended clothing: Comfortable long-sleeved shirts, light jacket, rain gear for November.
  • Winter (December–February): Average 54–58°F, mild and humid, occasional rainfall. Common activities: Visiting indoor attractions, enjoying leisurely coffee time. Recommended clothing: Warm jacket, long pants, comfortable shoes.

kos island climatological average

Annual average temperature: approx. 66.2°F / Annual rainfall: approx. 416 mm / Summer humidity: 60%–70% / Rainiest month: November

kos island monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
54.7°F
72.9
February
54.3°F
45.6
March
55°F
35.3
April
61.3°F
34
May
66°F
15.6
June
76.5°F
9
July
80.8°F
0.1
August
80.2°F
4.3
September
75.9°F
6.5
October
69.3°F
3.9
November
63.1°F
117.5
December
58.3°F
71.8

kos island weather for the next seven days

5/23
Saturday
Patchy rain nearby
65.7°F/63.4°F
5/24
Sunday
Sunny
70.2°F/64.4°F
5/25
Monday
Sunny
72.6°F/65.7°F
5/26
Tuesday
Sunny
72.3°F/66.6°F
5/27
Wednesday
Patchy rain nearby
69°F/67°F
5/28
Thursday
Sunny
69.1°F/66.1°F
5/29
Friday
Sunny
72°F/68.3°F