Cool
Average highs are around 10°C, so pack for cooler days.
December verdict
Thessaloniki, Greece in December
Weather score24Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 3.3h per day, so this is not one of the brighter months. Rainfall averages 58mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
10°C
Rain
58mm
Sun
3.3h
Sea
15°C
Weather score
24
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 58mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.3h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Thessaloniki, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December10°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December58mm average rain
December is one of Thessaloniki's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December3.3 hours average sun
December is one of Thessaloniki's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December15°C average sea
December is below Thessaloniki's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
December24 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
