Kos Town Weather in December
In Kos Town, December brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 14°C (57°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Kos Town in December
This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Looking at the last 30 years, the data shows about 14 days with rain, averaging 185 mm (7.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Kos Town in December
Daytime temperatures in Kos Town reach 17°C (63°F) in December, dropping to 14°C (57°F) at night. Conditions are often most pleasant around the middle of the day. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Kos Town in December
The month brings about 135 hours of sunlight, offering a comfortable mix of sun and overcast.
Average water temperature in December
With water at 20°C (68°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Kos Town.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greece, check out our Kos Town's climate page.
Kos Town Temperature in December
Min Temperature
14°C (57°F)
Max Temperature
17°C (63°F)
Water Temperature
20°C (68°F) *
Chance of Rain
47%
Precipitation
185 mm (7.3 in)
Rainy days
14 days
Sunshine
135 hours *
Percentage Sunshine
*
Daily Historical Temperatures
44-year average (1982-2025)
Based on our historical records, temperatures in Kos Town typically stay consistent throughout December, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in December
Daily Historical Precipitation
44-year average (1982-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Kos Town in December
Browse day-by-day weather records for Kos Town spanning 45 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kos Town historical weather extremes in December
Based on 43 years of weather observations (1982-2025), these are the most extreme conditions recorded in Kos Town.
- The hottest December day on record in Kos Town reached 22°C (72°F) (December 4, 2010).
- Kos Town experienced its chilliest December day on December 24, 1992, reaching only 5°C (41°F).
- The coldest night in December in Kos Town was on December 23, 2002, with a minimum of -2°C (28°F).
- The wettest December day on record brought 58 mm (2.3 in) of precipitation to Kos Town (December 28, 1996).
Best Places in Greece in December
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kos Town in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kos Town in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greece, check out our Kos Town's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Kos Town climate overview or explore weather in Greece.
