Travel with You, Me, Away

Greece in October: Thessaloniki, Athens and Heraklion climate comparison

Compare Thessaloniki, Athens and Heraklion in October using the 2001-2025 series below to plan shoulder-season sightseeing and island transfers.

Reviewed

Explore the map

Climate reference locations

These markers show locations with historical climate estimates for the surrounding area. Choose a location to see its climate table.

Dot: one place · Number: multiple places

On the mapApproximate locationThessalonikiClimate reference locationView climate table

Map data: Natural Earth

Map markers are for orientation.

3 climate reference locations

All climate reference locations
  1. Thessaloniki (Climate reference location)
  2. Athens (Climate reference location)
  3. Heraklion (Climate reference location)

Location coordinates: Thessaloniki, Athens, Heraklion (Wikidata, CC0).

Use the 5-degree north-to-south gradient to structure an October trip

Across the 2001-2025 October series, mean monthly temperatures step up steadily from north to south: 16.0 °C in Thessaloniki, 19.1 °C in Athens and 21.1 °C in Heraklion on Crete, while mean precipitation stays modest across all three points (1.5 to 1.6 mm/day).

October suits walking-heavy itineraries around Athens and Thessaloniki’s UNESCO monuments as well as southern stays on Crete, without the intense midday heat of July and August.

  • Thessaloniki (16.0 °C, 1.6 mm/day): pack a light jacket for evening waterfront walks along the Thermaic Gulf.
  • Athens (19.1 °C, 1.6 mm/day): comfortable conditions for the Acropolis, Agora and neighbourhood walks.
  • Heraklion and Crete (21.1 °C, 1.5 mm/day): warmest October mean among the three Greek reference points.

Sources: UNESCO Monuments in Thessaloniki, Thessaloniki New Waterfront

Read the local month comparison

Across the selected points, mean monthly temperature ranges from 16.0 to 21.1 °C. Mean precipitation ranges from 1.5 to 1.6 mm per day. Those ranges describe this selected point comparison, not every destination in Greece.

Use the comparison for trip planning

  • Check which named point is relevant to the stops on your actual route.
  • Use mean temperature as background for planning your activities. A monthly mean includes both daytime and night-time conditions.
  • Keep alternatives for weather-dependent plans and check a local forecast close to departure.
  • Do not infer rain hours, rainy-day counts or severe-weather risk from millimetres per day.

Source and processing

NASA POWER climatology, 2001-2025. The values are T2M (mean air temperature at two metres, °C) and PRECTOTCORR (mean corrected precipitation, mm/day). City coordinates come from Wikidata. Selection, month extraction, translation, rounding and table arrangement are changes to the original data. NASA POWER data licence: CC BY 4.0. Coordinates: CC0.

Selected coordinates

Continue planning

Climate by month

These historical gridded estimates describe the area around each coordinate. They are not a forecast for a particular trip. Precipitation in millimetres per day is not a count of rainy days.

Thessaloniki

Reference period 2001-2025 · Coordinates (latitude, longitude) 40.6403°, 22.9356°

Thessaloniki (historical monthly values)
MonthMean air temperature at 2 m (°C)Mean precipitation (mm/day)
October161.6

Athens

Reference period 2001-2025 · Coordinates (latitude, longitude) 37.9842°, 23.7281°

Athens (historical monthly values)
MonthMean air temperature at 2 m (°C)Mean precipitation (mm/day)
October19.11.6

Heraklion

Reference period 2001-2025 · Coordinates (latitude, longitude) 35.3403°, 25.1344°

Heraklion (historical monthly values)
MonthMean air temperature at 2 m (°C)Mean precipitation (mm/day)
October21.11.5

Sources