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Thessaloniki weather in August 2025
Expect 31°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Thessaloniki in August based on long-term weather averages. There is usually 4 days with some rainfall and 23 mm of average monthly rainfall in August.
- 31°C max day temperature
31 - 10 hours of sunshine per day
- 4 days with some rainfall
4 - 18°C min night temperature
18 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 23 mm of monthly rainfall
23 - 8 (Very High) UV index
8 - 26°C sea temperature
26
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Recommended for Greece
The August weather guide for Greece (Thessaloniki) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Greece
How hot is it in Thessaloniki in August?
Daytime temperatures usually reach 31°C in Thessaloniki in August with moderate heat and humidity, falling to 18°C at night.
How sunny is it in Thessaloniki in August?
There are normally 10 hours of bright sunshine each day in Thessaloniki in August - that's 71% of daylight hours.
How warm is the sea around Thessaloniki in August?
The average sea temperature around Thessaloniki in August is 26°C.
Does it rain in Thessaloniki in August?
There are usually 4 days with some rain in Thessaloniki in August and the average monthly rainfall is 23mm.
Thessaloniki August sunrise & sunset times
Browse the sunrise and sunset times for Thessaloniki in August 2025. Select a month to view Thessaloniki sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:25 | 19:43 |
| Saturday, 16th August 2025 | 05:40 | 19:25 |
| Sunday, 31st August 2025 | 05:54 | 19:02 |
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