July · Greece
Best time to visit Ios in July Weather, crowds & prices
Weather in Ios in July
Average temperature 26°C, 3 mm of rain, about 31 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
9.8/10
Ranked #2 of 12 months
- Avg temp
- 26°C
- Rainfall
- 3 mm
- Humidity
- 74%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Ios scores 9.8/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 26°C, 3 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Ios mixes a hilltop Cycladic town, sandy Mylopotas beach and a famously busy summer nightlife scene.
July ranks 2nd of 12 for Ios — one of the best windows
July averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 3 mm for the month, with about 31 days with 6+ hours of sunshine and 14.3 hours of daylight to work with.
A 9.8/10 puts this among the year's best months in Ios (2nd of 12); only June scores higher, at 9.8/10.
Pack light clothing, swimwear and real sun protection.
Figure on 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 Ios in July?
- In July, Ios averages 26°C, 3 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is July a good time to visit Ios?
- July earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ios in July?
- Expect about 3 mm of rain in July. Average humidity is 74% and there are about 31 days with 6+ hours of sunshine.
Curated in Ios
Tickets & experiences
Things to do in Ios
Ios, Greece. Live activities and tours from GetYourGuide, matched to this destination.