Kos · May
Best travel monthTravel seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° | 15° | 17° | 20° | 25° | 29° | 32° | 32° | 29° | 24° | 20° | 16° |
MINMIN | 9° | 10° | 11° | 14° | 17° | 21° | 23° | 24° | 21° | 18° | 14° | 11° |
☀️Sunshine | 6h | 8h | 9h | 11h | 12h | 13h | 13h | 12h | 11h | 9h | 7h | 6h |
🌊Water Temp | 18° | 17° | 17° | 18° | 20° | 23° | 24° | 26° | 25° | 24° | 22° | 20° |
🌧Rain Days | 5d49mm | 3d38mm | 3d34mm | 1d5mm | 1d13mm | 0d1mm | 0d0mm | 0d0mm | 0d6mm | 1d12mm | 2d25mm | 4d47mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
May is one of the best months to visit Kos — with 11 sunshine hours per day and pleasant highs of 24°C.
Daytime temperatures reach up to 24°C, cooling to 17°C at night (daily average: 20°C). With 11 sunshine hours per day, May is one of the sunniest months — 13 mm of rain over 1 days. The sea is 20°C — refreshing and manageable for confident swimmers.
Summer clothing and a light jacket for evenings is enough. Conditions are ideal for excursions, hikes, and sightseeing.
Packing list for Kos in May
- T-Shirts und kurze Hosen
- Leichte Jacke für kühle Abende
- Badezeug (Wasser ist noch etwas frisch)
- Sonnencreme LSF 50
- Sonnenbrille
- Sonnenhut
- Reiseapotheke
Frequently Asked Questions
- Is May a good time to visit Kos?
- Yes — May is one of the best months to visit Kos (Climate Score: 87/100). Pleasant temperatures (24°C), good sunshine (11 h/day), and few rain days (1) make it one of the most recommended months.
- How warm is it in Kos in May?
- In May, Kos sees daily highs of 24°C. Nights cool to 17°C, with a daily average of 20°C.
- How much rain falls in Kos in May?
- In May, Kos receives an average of 13 mm of rain over 1 rain days. That is comparatively dry.
- How many sunshine hours does Kos get in May?
- Kos averages 11 sunshine hours per day in May — above the annual average.
- How warm is the water in Kos in May?
- Water temperature in Kos in May averages 20°C — refreshing but slightly cool for sensitive swimmers.
