Thessaloniki weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: April – June, September – October
What is the weather like in Thessaloniki in October?
In October, Thessaloniki is mild: daytime highs average 21 °C, and nights cool down to about 13 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 69 mm. All in all, October is an excellent month for a holiday in Thessaloniki.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 91 | 81 | 60 |
| Day | 26° | 21° | 16° |
| Night | 18° | 13° | 8° |
| Sea | 25° | 21° | 18° |
| Sun | 7 h | 5 h | 4 h |
| Rain days | 5 | 7 | 9 |
More details for October
- Daylight
- 11 h 12 min07:38 – 18:50
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or more
- Wind
- 13 km/haverage daily peak
- Cloud cover
- 49 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %37 %
- Few rainy daysweight 30 %79 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Thessaloniki in October: quick answers
Is Thessaloniki hot in October?
No. In October, Thessaloniki is mild: daytime highs average 21 °C and nights drop to about 13 °C.
Can you swim in Thessaloniki in October?
Yes. In October the sea averages 21.3 °C – refreshing for a swim.
Does it rain much in Thessaloniki in October?
Rain falls on about 7 days, adding up to 69 mm.
Thessaloniki month by month
The whole year in ThessalonikiAll destinations: GreeceWhere to go in OctoberSea temperature in October
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)