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August in Hersonissos brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 23°C (73°F). Only 4.6 mm (0.2 in) of rainfall is typical, making it a largely dry month.
If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September, October and November typically offer the best circumstances for Hersonissos.
Pick a month to see the average temperature, rainfall and sunshine in Hersonissos - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Hersonissos typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Hersonissos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 38 years of weather records for Hersonissos, the following extremes were recorded between 1988 and 2026.
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Hersonissos climate overview or explore weather in Greece.
Where to go in August - average daytime high across popular destinations.
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