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Thessaloniki, Greece · Temperate oceanic

Thessaloniki in July: go or not?

Mixed period. Thessaloniki in July: 5.8/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 40.64°N · 22.94°E
⚡ This month's verdict
Why not
Thessaloniki · July
5.8
22–33°
Temperature
11%
Rain
10h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Miltiadis Fragkidis via Unsplash
The month in detail

What to expect in July

In the height of summer, Thessaloniki sees high temperatures (33°C). Heat is a factor for outdoor activities. Rain risk remains low (11% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. September (8.9/10) is significantly better if possible.

July ranks 6 out of 12 months in Thessaloniki. Compared to June: +3°C daytime, 6 pts fewer rainy days, +0.6h of sun per day.

This month's conditions

What it's like in July

UV index
8 · high
sunscreen and hat advised
Feels like
muggy at times
18°
Sea
28°C
warm, ideal
Daylight
14.6h of daylight
Air quality
good
AQI 36
Compare

Is July the right month?

The best month in Thessaloniki is September (8.9/10), 3.1 pts higher than July.

See September →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Thessaloniki

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Greece

🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trendData unavailable
🔥Hottest monthJuly · 33°C
❄️Coolest monthJanuary · 11°C
🌧️Rainiest month ⓘMarch · 25%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Thessaloniki ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Greece
Temperate oceanic climate with a 8.9 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
40.64°N · 22.94°E
Questions

Frequently asked questions

What is the best time to visit Thessaloniki?
September is the best month with 28.0°C highs, 18.0°C lows, 7.7h of sunshine and 13.0% rainy days. The months of September & May offer comparable conditions.
How many hours of sunshine does Thessaloniki get in September?
Thessaloniki averages 7.7 sunshine hours per day in September. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Thessaloniki?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Thessaloniki in September?
In September, overnight lows reach 18.0°C, while afternoon highs average 28.0°C.
Is Thessaloniki good in winter?
In winter (December-February), Thessaloniki scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.5/10.
When should you avoid Thessaloniki?
January is the most difficult month to visit Thessaloniki, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Thessaloniki in July?
In July, the sea averages 28°C in Thessaloniki: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Thessaloniki in July?
The average UV index reaches 8 in July in Thessaloniki (high), with about 14.6h of daylight. Sunscreen and hat advised.