Climate guide for Thessaloniki, Greece

Thessaloniki in August

Weather, crowds & best time to visit

How to read the score (0–10)
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August · Greece

Best time to visit Thessaloniki in August Weather, crowds & prices

Weather in Thessaloniki in August

Average temperature 27°C, 31 mm of rain, about 31 days with 6+ hours of sunshine and 59% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

8.0/10

Ranked #6 of 12 months

Full year for Thessaloniki
Avg temp
27°C
Rainfall
31 mm
Humidity
59%
Days with 6h+ sun
31
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

August in Thessaloniki scores 8.0/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 27°C, 31 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Thessaloniki layers Roman ruins, Byzantine churches and a seafront promenade on the Thermaic Gulf.

August holds up well in Thessaloniki — 6th best month

August averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 13.7 daylight hours.

It scores 8/10 here, 6th of 12 months, against 9.5/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Plan for mid-season pricing, with crowds are moderate.

Flexible dates? October scores 1.5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Thessaloniki in August?
In August, Thessaloniki averages 27°C, 31 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
Is August a good time to visit Thessaloniki?
August earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Thessaloniki in August?
Expect about 31 mm of rain in August. Average humidity is 59% and there are about 31 days with 6+ hours of sunshine.

Curated in Thessaloniki

Tickets & experiences

Things to do in Thessaloniki

Thessaloniki, Greece. Live activities and tours from GetYourGuide, matched to this destination.