Spetses weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: June – September
What is the weather like in Spetses in August?
In August, Spetses is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 26.3 °C – lovely and warm for swimming. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 26 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Spetses.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 94 | 96 | 98 |
| Day | 32° | 32° | 28° |
| Night | 25° | 25° | 22° |
| Sea | 26° | 26° | 25° |
| Sun | 12 h | 11 h | 8 h |
| Rain days | 1 | 1 | 4 |
More details for August
- Daylight
- 13 h 38 min06:43 – 20:21
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 11 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 7 %on averageAll months
- Hot days
- 26 days30 °C or moreAll months
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %89 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Spetses in August: quick answers
Is Spetses hot in August?
Yes. In August, Spetses is hot: daytime highs average 32 °C and nights stay around 25 °C. On about 26 days the thermometer climbs to 30 °C or more.
Can you swim in Spetses in August?
Yes. In August the sea averages 26.3 °C – lovely and warm for swimming.
Does it rain much in Spetses in August?
It hardly ever rains.
Spetses month by month
The whole year in SpetsesAll destinations: GreeceGreek Islands weather in AugustWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences