Global CityIntelligence

Climate

Climate in Thessaloniki

Thessaloniki, Greece has a mediterranean climate. The annual average temperature is about 16.4°C and the city receives roughly 651 mm of precipitation across 72 rainy days a year, with around 2686 hours of sunshine. The warmest month is Jul (highs near 27.4°C) and the coldest is Jan (lows near 5.4°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Climate zone
Mediterranean
Comfort score
94/100

Climate overview

Thessaloniki, Greece has a mediterranean climate. The annual average temperature is about 16.4°C and the city receives roughly 651 mm of precipitation across 72 rainy days a year, with around 2686 hours of sunshine. The warmest month is Jul (highs near 27.4°C) and the coldest is Jan (lows near 5.4°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Climate zone

Köppen-style classification derived deterministically from latitude and regional precipitation regime.

Climate zone

Thessaloniki is classified as Mediterranean. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Average temperatures

Annual averages and seasonal extremes.

Average temperatures

  • Annual average16.4°C
  • Warmest monthJul (27.4°C)
  • Coldest monthJan (5.4°C)
  • Comfort score94/100

Rainfall overview

Annual precipitation and how it is distributed across the year.

Rainfall overview

Thessaloniki receives about 651 mm of precipitation a year over roughly 72 rainy days. The wettest month is Dec and the driest is Jul.

Sunshine overview

Estimated annual sunshine and its seasonal pattern.

Sunshine overview

Thessaloniki sees an estimated 2686 hours of sunshine a year, concentrated in the warmer months around Jul.

Monthly climate table

Month-by-month estimates of temperature, rainfall, rainy days, and sunshine.

Monthly climate table

Thessaloniki monthly climate table
MonthHighLowRainRainy DaysSunshine
Jan15.4°C5.4°C93 mm10120 h
Feb16.2°C6.2°C77 mm9136 h
Mar18.4°C8.4°C64 mm7176 h
Apr21.4°C11.4°C51 mm6216 h
May24.4°C14.4°C32 mm4274 h
Jun26.6°C16.6°C13 mm1345 h
Jul27.4°C17.4°C5 mm1355 h
Aug26.6°C16.6°C13 mm1345 h
Sep24.4°C14.4°C38 mm4274 h
Oct21.4°C11.4°C73 mm8189 h
Nov18.4°C8.4°C93 mm10141 h
Dec16.2°C6.2°C99 mm11115 h

Best months to visit

Months with the mildest temperatures and lower rainfall, by the deterministic comfort heuristic. Not a tourism ranking.

Best months to visit

By temperature and rainfall, the most comfortable months in Thessaloniki are Jun, Aug, Jul. Conditions vary year to year — verify with a current forecast before booking.

Seasonal summary

Average conditions by season.

Seasonal summary

  • Winter

    16°C / 6°C

    269 mm rain

  • Spring

    21°C / 11°C

    147 mm rain

  • Summer

    27°C / 17°C

    31 mm rain

  • Autumn

    21°C / 11°C

    204 mm rain

Climate comfort score

A 0–100 composite of temperature balance, rainfall, sunshine, seasonality, and winter/summer extremes; higher means more comfortable. Used consistently across the platform.

Climate comfort score

Thessaloniki has a climate comfort score of 94/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

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