Kos weather
At 11:45 PM local time it was thunderstorm and 19°C (65°F). Real rain for 9 hours (16.0 mm total) — consider moving outdoor plans. Best months for weather: Apr–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Kos, South Aegean, Greece.
Current conditions
- Clouds
- 100%
- Chance of rain
- 23%
- Rain
- 1.2 mm/h
Hourly Forecast
Real rain for 9 hours (16.0 mm total) — consider moving outdoor plans
Daily Forecast
Best Time to Visit
Peak season Apr–OctOff season Dec–Feb
About Kos weather
Is it raining in Kos right now?
Yes. It’s thunderstorm and 19° right now. Real rain for 9 hours (16.0 mm total) — consider moving outdoor plans.
What’s the weather like in Kos this week?
Over the next 7 days, expect highs of 16–21° and lows of 14–19°. Rain is likely on 5 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday). The driest day looks like Friday.
Has it been raining in Kos lately?
In the past 7 days, Kos had 4 rainy days and 55.1 mm of rain in total.
What should I pack for Kos?
For the coming week, bring an umbrella or rain jacket and a light jacket.
Kos weather by month
When is the best time to visit Kos?
Based on weather alone, the best time to visit Kos is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 14°C (58°F) in January to 32°C (89°F) in August.
What is the rainiest month in Kos?
January is the wettest month, with about 152 mm (6.0 in) of rain on average. August is the driest, with about 2 mm (0.1 in).
What is the hottest month in Kos?
August is the warmest, with average highs of 32°C (89°F) and lows of 24°C (76°F). January is the coolest, with highs of 14°C (58°F) and lows of 10°C (51°F).
Does Kos have a rainy season?
Yes. Dec–Jan is the rainy season (150 mm or more a month), while Apr–Oct is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months