Kos · June
Best travel monthTravel seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, ↑ warmestØ day↑ warmest | 15° (59°)18° (64°) | 15° (59°)18° (64°) | 17° (63°)21° (70°) | 20° (68°)26° (79°) | 25° (77°)30° (86°) | 29° (84°)34° (93°) | 32° (90°)36° (97°) | 32° (90°)36° (97°) | 29° (84°)34° (93°) | 24° (75°)28° (82°) | 20° (68°)25° (77°) | 16° (61°)21° (70°) |
Ø night, ↓ coldestØ night↓ coldest | 9° (48°)1° (34°) | 10° (50°)2° (36°) | 11° (52°)2° (36°) | 14° (57°)8° (46°) | 17° (63°)12° (54°) | 21° (70°)17° (63°) | 23° (73°)20° (68°) | 24° (75°)20° (68°) | 21° (70°)16° (61°) | 18° (64°)12° (54°) | 14° (57°)6° (43°) | 11° (52°)3° (37°) |
☀️Sunshine | 6h UV 5 | 8h UV 6 | 9h UV 7 | 11h UV 9 | 12h UV 9 | 13h UV 10 | 13h UV 10 | 12h UV 9 | 11h UV 8 | 9h UV 6 | 7h UV 5 | 6h UV 4 |
🌊Water Temp | 18° (64°) | 17° (63°) | 17° (63°) | 18° (64°) | 20° (68°) | 23° (73°) | 24° (75°) | 26° (79°) | 25° (77°) | 24° (75°) | 22° (72°) | 20° (68°) |
🌧Rain Days | 5d49mm (1.9") | 3d38mm (1.5") | 3d34mm (1.4") | 1d5mm (0.2") | 1d13mm (0.5") | 0d1mm (<0.1") | 0d0mm (0") | 0d0mm (<0.1") | 0d6mm (0.2") | 1d12mm (0.5") | 2d25mm (1.0") | 4d47mm (1.8") |
Best travel time current monthØ = average · ↑ warmest day · ↓ coldest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
June is one of the best months to visit Kos — with 13 sunshine hours per day and pleasant highs of 29°C (84°F).
Daytime highs average 29°C (84°F), cooling to 21°C (70°F) at night (daily average: 25°C (77°F)). Peaks reach around 34°C (93°F), the coldest nights around 17°C (63°F). With 13 sunshine hours per day, June is one of the sunniest months — 1 mm (< 0.1 in) of rain over 0 days. Sea temperature is 23°C (73°F) — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in June are ideal.
High season with the Meltemi. The north wind makes 31°C (88°F) bearable and turns Kefalos in the west into a kite spot, while the sheltered southern bays stay calm. Practically zero rain days from June to September.
Events & Festivals
- Hippocratia FestivalJune to October (cultural programme)
A cultural summer in honour of Hippocrates, the father of medicine, who was born on Kos. Concerts, theatre, art exhibitions and the traditional Hippocratic Oath under the plane tree in Kos Town, where Hippocrates is said to have taught.
Packing list for Kos in June
- Light summer clothes
- Swimwear (the water is still a little fresh)
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is June a good time to visit Kos?
- Yes — June is one of the best months to visit Kos (Climate Score: 99/100). Pleasant temperatures (29°C (84°F)), good sunshine (13 h/day), and few rain days (0) make it one of the most recommended months.
- How warm is it in Kos in June?
- In June, Kos sees daily highs of 29°C (84°F). Nights cool to 21°C (70°F), with a daily average of 25°C (77°F). Peaks reach around 34°C (93°F), the coldest nights around 17°C (63°F).
- How much rain falls in Kos in June?
- In June, Kos receives an average of 1 mm (< 0.1 in) of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Kos get in June?
- Kos averages 13 sunshine hours per day in June — above the annual average.
- How warm is the water in Kos in June?
- Water temperature in Kos in June averages 23°C (73°F) — pleasantly warm for swim sessions.
