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Weather extremes

How extreme does Thessaloníki's weather get?

The hottest, coldest, wettest and snowiest days Thessaloníki has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Makedonia station 14 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Thessaloníki has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
111°F Jul 25, 2007

That is about 21°F hotter than a normal July afternoon in Thessaloníki (typical high near 90°F).

The three most extreme on record

1 111°F Jul 25, 2007
2 109°F Jul 24, 2007
3 109°F Jul 5, 2000
❄️ Coldest night
14°F Dec 20, 2001

About 24°F colder than a normal December night in Thessaloníki (typical low near 38°F).

The three most extreme on record

1 14°F Dec 20, 2001
2 14°F Jan 10, 2017
3 14°F Jan 12, 2017
🌧️ Most rain in one day
4.53 in Aug 15, 2019

More rain in a single day than Thessaloníki usually gets in the whole month of August (typical August total about 1.0 in).

The three most extreme on record

1 4.53 in Aug 15, 2019
2 3.72 in Oct 28, 2010
3 3.30 in Oct 8, 2000

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-10°10°30°50°70°90°110°130° all-time high 111°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Thessaloníki's record heat sits well above even a hot day for the season — July's 111°F is about 21°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Thessaloníki's warmest days reach the low 90s°F and its coldest nights drop to the mid-30s°F. But across the record it has gone as high as 111°F and as low as 14°F. A single day has delivered over 5 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Makedonia, a weather station, about 14 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →