Kos · December
Low seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° (58°) | 15° (59°) | 17° (62°) | 20° (68°) | 25° (76°) | 29° (84°) | 32° (89°) | 32° (89°) | 29° (83°) | 24° (76°) | 20° (68°) | 16° (61°) |
MINMIN | 9° (48°) | 10° (49°) | 11° (51°) | 14° (56°) | 17° (62°) | 21° (70°) | 23° (74°) | 24° (75°) | 21° (70°) | 18° (64°) | 14° (57°) | 11° (52°) |
☀️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° (72°) | 24° (76°) | 26° (79°) | 25° (77°) | 24° (74°) | 22° (70°) | 20° (67°) |
🌧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 monthMonthly averages 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
December in Kos is on the cool side — with highs around 16°C (61°F) it's less suited for a beach holiday, but good for sightseeing away from the high season.
Daytime temperatures reach up to 16°C (61°F), cooling to 11°C (52°F) at night (daily average: 13°C (55°F)). With 5 sunshine hours per day and 4 rain days (47 mm (1.9 in)), this is one of the cloudier months. The sea is 19°C (66°F) — refreshing and manageable for confident swimmers.
Pack warm clothing and sturdy footwear. Cool temperatures make hiking and cultural trips enjoyable — beaches are off the agenda.
Packing list for Kos in December
- Long-sleeved shirts and light trousers
- Light jacket
- Swimwear (the water is still a little fresh)
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is December a good time to visit Kos?
- December is not an optimal month for Kos (Score: 51/100), but it is manageable. For better conditions, consider May, June, July, August, September, and October.
- How warm is it in Kos in December?
- In December, Kos sees daily highs of 16°C (61°F). Nights cool to 11°C (52°F), with a daily average of 13°C (55°F).
- How much rain falls in Kos in December?
- In December, Kos receives an average of 47 mm (1.9 in) of rain over 4 rain days. That is comparatively dry.
- How many sunshine hours does Kos get in December?
- Kos averages 5 sunshine hours per day in December — below the annual average.
- How warm is the water in Kos in December?
- Water temperature in Kos in December averages 19°C (66°F) — refreshing but slightly cool for sensitive swimmers.