Kos, GreeceQuick decision
When to visit Kos?
🌞 Best time overall
June
🌡️ Optimal temperature
22°C–27°C in June
🌧 Least rain
4% rainy days in June
🌧 Wettest month
January (42%)
📅 Best score
9.8/10
By trip type
Best time by type of trip
BeachesJune–September — Paradise Beach, Tigaki and Therma (hot springs).
AsklepionMarch–October — Hippocrates' site, view over Turkey.
CyclingApril–October — flat island, cycle paths and inland villages.
Hot SpringsYear-round — Therma Beach, volcanic seaside springs.
Monthly climate data
Kos weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 11°C | 15°C | 42% | 3.7 | 9.0h | 5.8/10 |
| ⛅ February | 12°C | 16°C | 32% | 2.5 | 9.9h | 7.0/10 |
| ⛅ March | 13°C | 17°C | 23% | 1.7 | 11.0h | 7.2/10 |
| 🌤️ April | 15°C | 19°C | 16% | 1.0 | 12.1h | 7.7/10 |
| 🌤️ May | 18°C | 22°C | 12% | 0.5 | 13.4h | 8.6/10 |
| ☀️ June | 22°C | 27°C | 4% | 0.3 | 14.0h | 9.8/10 |
| ☀️ July | 24°C | 30°C | 1% | 0.0 | 13.8h | 9.4/10 |
| ☀️ August | 25°C | 30°C | 1% | 0.0 | 13.0h | 9.2/10 |
| ☀️ September | 23°C | 27°C | 4% | 0.2 | 12.0h | 9.4/10 |
| 🌤️ October | 19°C | 23°C | 11% | 0.7 | 10.1h | 8.3/10 |
| 🌤️ November | 16°C | 20°C | 28% | 2.7 | 9.8h | 7.4/10 |
| ⛅ December | 13°C | 17°C | 38% | 3.7 | 8.9h | 7.0/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 19°C, 17% rainy days, 12.2h sunshine/day. Score: 7.8/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 29°C, 2% rainy days, 13.6h sunshine/day. Score: 9.5/10.
🍂 Autumn (Sep–Nov) — Good time
Average 23°C, 14% rainy days, 10.6h sunshine/day. Score: 8.4/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 16°C, 37% rainy days, 9.3h sunshine/day. Score: 6.6/10.
Accommodation
Find a place to stay in Kos
Check availability during the recommended period
Tip : February, March offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Kos
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
June is ideal with 4% rainy days and 27°C.
January is the wettest month with 42% rainy days.
Yes, June is the best month with an average of 27°C.
In winter, the average score is 6.6/10. Acceptable conditions for cultural visits.
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