Kos Town weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in Kos Town in December?
In December, Kos Town is mild: daytime highs average 16 °C, and nights cool down to about 14 °C. The sea averages 19.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 171 mm in total. All in all, December is not an ideal month for a holiday in Kos Town.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 42 | 25 | 21 |
| Day | 19° | 16° | 14° |
| Night | 17° | 14° | 12° |
| Sea | 21° | 19° | 18° |
| Sun | 7 h | 6 h | 6 h |
| Rain days | 9 | 12 | 12 |
More details for December
- Daylight
- 9 h 39 min07:16 – 16:56
- UV index
- 2 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 21 km/haverage daily peak
- Cloud cover
- 49 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Athens
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %31 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Kos Town in December: quick answers
Is Kos Town hot in December?
No. In December, Kos Town is mild: daytime highs average 16 °C and nights drop to about 14 °C.
Can you swim in Kos Town in December?
Only if you don't mind cold water: in December the sea averages just 19.2 °C. Comfortable swimming is possible from June to November.
Does it rain much in Kos Town in December?
Rain is frequent, with about 12 rainy days and 171 mm in total.
Kos Town month by month
The whole year in Kos TownAll destinations: Greece
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)