Sun, sea & sand

Kallithea, Halkidiki weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

15

Holiday weather in December

Poor

Best time to visit: June – September

What is the weather like in Kallithea, Halkidiki in December?

In December, Kallithea, Halkidiki is cool: daytime highs average 12 °C, and nights cool down to about 9 °C. The sea averages 15.8 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 9 rainy days and 82 mm in total. All in all, December is not an ideal month for a holiday in Kallithea, Halkidiki.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score221518
Day16°12°11°
Night13°9°7°
Sea18°16°14°
Sun4 h4 h4 h
Rain days899

More details for December

Daylight
9 h 21 min07:41 – 17:02
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or more
Wind
18 km/haverage daily peak
Cloud cover
60 %on average
Hot days
0 days30 °C or more
Snow days
1 day1 cm or more of fresh snow
Time zone
UTC+2Europe/Athens

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %12 %
  • Few rainy daysweight 20 %63 %

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

Kallithea, Halkidiki in December: quick answers

Is Kallithea, Halkidiki hot in December?

No. In December, Kallithea, Halkidiki is cool: daytime highs average 12 °C and nights drop to about 9 °C.

Can you swim in Kallithea, Halkidiki in December?

Only if you don't mind cold water: in December the sea averages just 15.8 °C. Comfortable swimming is possible from June to October.

Does it rain much in Kallithea, Halkidiki in December?

Rain is frequent, with about 9 rainy days and 82 mm in total.

Kallithea, Halkidiki month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)