August · Greece
Best time to visit Kalymnos in August Weather, crowds & prices
Weather in Kalymnos in August
Average temperature 27°C, 1 mm of rain, about 31 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
10.0/10
Ranked #3 of 12 months
- Avg temp
- 27°C
- Rainfall
- 1 mm
- Humidity
- 65%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Kalymnos scores 10.0/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 27°C, 1 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Kalymnos is the Dodecanese island of sponge divers and limestone cliffs, now a major rock climbing spot.
August is one of the strongest months in Kalymnos (3rd)
August averages 27°C (81°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 1 mm for the month, with about 31 days with 6+ hours of sunshine and 13.5 hours of daylight to work with.
A 10/10 puts this among the year's best months in Kalymnos (3rd of 12); only June scores higher, at 10/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Kalymnos in August?
- In August, Kalymnos averages 27°C, 1 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
- Is August a good time to visit Kalymnos?
- August earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kalymnos in August?
- Expect about 1 mm of rain in August. Average humidity is 65% and there are about 31 days with 6+ hours of sunshine.
Curated in Kalymnos
Tickets & experiences
Things to do in Kalymnos
Kalymnos, Greece. Live activities and tours from GetYourGuide, matched to this destination.