July · Greece
Best time to visit Kos in July Weather, crowds & prices
Weather in Kos in July
Average temperature 28°C, 0 mm of rain, about 31 days with 6+ hours of sunshine and 58% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
10.0/10
Ranked #2 of 12 months
- Avg temp
- 28°C
- Rainfall
- 0 mm
- Humidity
- 58%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Kos scores 10.0/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 28°C, 0 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Kos pairs the Asklepion and a plane tree linked to Hippocrates with sandy beaches and flat cycling routes.
July is one of the strongest months in Kos (2nd)
July averages 28°C (82°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 0 mm for the month, with about 31 days with 6+ hours of sunshine and 14.4 hours of daylight to work with.
A 10/10 puts this among the year's best months in Kos (2nd 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 Kos in July?
- In July, Kos averages 28°C, 0 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
- Is July a good time to visit Kos?
- July 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 Kos in July?
- Expect about 0 mm of rain in July. Average humidity is 58% and there are about 31 days with 6+ hours of sunshine.
Curated in Kos
Tickets & experiences
Things to do in Kos
Kos, Greece. Live activities and tours from GetYourGuide, matched to this destination.