August · Greece
Best time to visit Heraklion in August Weather, crowds & prices
Weather in Heraklion in August
Average temperature 27°C, 9 mm of rain, about 31 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.7/10
Ranked #9 of 12 months
- Avg temp
- 27°C
- Rainfall
- 9 mm
- Humidity
- 69%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Heraklion scores 7.7/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 27°C, 9 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Heraklion pairs the Minoan palace of Knossos with a Venetian harbour and Crete's best museum.
August in Heraklion — reliably good (9th best month)
Days in August average 27°C (81°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 9 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.3 hours of daylight.
That is 7.7/10 on the same scale — 9th of 12 months, versus 9.8/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, May is materially better in Heraklion — 2.1 points higher on the same scale.
Frequently asked
- What is the weather like in Heraklion in August?
- In August, Heraklion averages 27°C, 9 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is August a good time to visit Heraklion?
- August earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Heraklion in August?
- Expect about 9 mm of rain in August. Average humidity is 69% and there are about 31 days with 6+ hours of sunshine.
Curated in Heraklion
Tickets & experiences
Things to do in Heraklion
Heraklion, Greece. Live activities and tours from GetYourGuide, matched to this destination.