Thessaloniki weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: April – June, September – October
What is the weather like in Thessaloniki in January?
In January, Thessaloniki is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 13.7 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 63 mm. All in all, January is not an ideal month for a holiday in Thessaloniki.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 32 | 31 | 44 |
| Day | 11° | 9° | 11° |
| Night | 3° | 2° | 3° |
| Sea | 16° | 14° | 13° |
| Sun | 4 h | 4 h | 5 h |
| Rain days | 10 | 9 | 9 |
More details for January
- Daylight
- 9 h 34 min07:50 – 17:24
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 55 %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 50 %14 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 30 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Rain jacket or umbrella
Thessaloniki in January: quick answers
Is Thessaloniki hot in January?
No. In January, Thessaloniki is cold: daytime highs average 9 °C and nights drop to about 2 °C.
Can you swim in Thessaloniki in January?
Only if you don't mind cold water: in January the sea averages just 13.7 °C. Comfortable swimming is possible from June to October.
Does it rain much in Thessaloniki in January?
Rain falls on about 9 days, adding up to 63 mm.
Thessaloniki month by month
The whole year in ThessalonikiAll destinations: GreeceWhere to go in JanuarySea temperature in January
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)