When to go · Petralona
Petralona in August
Mixed month. Outside the best window (check). Across Greece: Greek holiday peak around 15 August; ferries sold out, wildfire risk highest, rooms at top prices.
Key facts
- Verdict
- Mixed
- Temperature
- 32°C (90°F)90°F (32°C) / 19°C (66°F)66°F (19°C)
- average high / low
- Rain days
- 3
- Crowds
- High
- Greece overall
- Prices
- High
- Greece overall
Verdict
Outside the best window (check). Across Greece: Greek holiday peak around 15 August; ferries sold out, wildfire risk highest, rooms at top prices.
Is another month better than August?
August is rated mixed. These months rate higher:
- SeptemberGoodOutside the best window (check). Across Greece: Warmest sea, easing crowds and heat; the best all-round month for islands.
- OctoberGoodOutside the best window (check). Across Greece: Still swimmable in Crete and Rhodes; many Cyclades businesses close after mid-month.
- AprilGoodOutside the best window (check). Across Greece: Wildflowers and good walking; Orthodox Easter (12 April 2026, 2 May 2027) fills ferries and rooms. Islands start reopening.
- MayGoodOutside the best window (check). Across Greece: Warm, green and open; sea cool but swimmable late in the month. Best for sightseeing and hiking.
Weather in August
- PetralonaHighs around 32 °C (90 °F), lows around 19 °C (66 °F), rain on about 3 daysHighs around 90 °F (32 °C), lows around 66 °F (19 °C), rain on about 3 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Assumption (Dekapentavgoustos) big impact
15 Aug · Greece
Peak of the Greek summer: island festivals (panigyria), ferries and rooms full; Tinos draws pilgrims.
Crowds and prices
- Crowds · Greece overall
- High
- Prices · Greece overall
- High
Greece overall: Greek holiday peak around 15 August; ferries sold out, wildfire risk highest, rooms at top prices.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Petralona, side by side.
Verdict
Aug: Mixed
Apr: Good (better)
Daytime high
Aug: 32 °C (90 °F)90 °F (32 °C)
Apr: 19 °C (66 °F)66 °F (19 °C)
Night low
Aug: 19 °C (66 °F)66 °F (19 °C)
Apr: 8 °C (46 °F)46 °F (8 °C)
Rain days
Aug: 3 (better)
Apr: 8
Crowds
Aug: High
Apr: Medium
Prices
Aug: High
Apr: Medium
Festivals listed
Aug: 1
Apr: 1
August: Outside the best window (check). Across Greece: Greek holiday peak around 15 August; ferries sold out, wildfire risk highest, rooms at top prices.
April: Outside the best window (check). Across Greece: Wildflowers and good walking; Orthodox Easter (12 April 2026, 2 May 2027) fills ferries and rooms. Islands start reopening.
Petralona: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen