Weather in Kos in July 2025
Average weather
Average temperature in Kos in July
Going from a maximum of +31°C during the day to a minimum of +23°C during the night, the temperature in July averages around +28°C.
The average maximum temperature goes up 38% by the end of the month, compared with the beginning of the month, from +24°C to +27°C.
Is Kos warm or cold in July?
Kos is typically warm in July.
Maximum temperatures go up compared to the previous month from +25°C to +27°C. The minimum temperature also goes up from +22°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the warmest months in Kos, here is the comparison with other months:
Water temperature in Kos in July
Water in Kos in July is Comfortable. It varies from +23°C to +27°C, with an average of +25°C. This is almost similar to the air temperature, which averages +27°C.
The water temperature in July is one of the warmest of the entire year:
Can you swim in Kos in July?
Climate in Kos in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +27°C | +28°C | ||||
| Min. temperature | ||||||
| +15°C | +18°C | +22°C | ||||
| Max. temperature | ||||||
| +38°C | +38°C | +38°C | ||||
| Rainfall | ||||||
| 2 mm | 0 mm | 0 mm | ||||
| Wind | ||||||
| 6 m/s | 7 m/s | 6 m/s | ||||
| Avg. water temperature | ||||||
| +23°C | +25°C | +26°C | ||||
| Humidity | ||||||
| 79% | 77% | 79% | ||||
| Air pressure | ||||||
| 1009 HPa | 1006 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 26 | 31 | 31 | ||||
| Cloudy days | ||||||
| 3 | 0 | 0 | ||||
| Rainy days | ||||||
| 1 | 0 | 0 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as great as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +25°C to +27°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 2 mm to 0 mm. It feels drier, as humidity decreases from 79% to 77%. Winds are stronger in comparison to June, going up from 6 m/s to 7 m/s on average. The good news is there are likely to be more sunny days in July, from 26 to 31.
August brings much the same weather, it remains great.
Wind
The average wind speed is 7 m/s getting up to 11 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kos is gradually decreasing during July, going from 8 m/s to 7 m/s over the course of the month.
How was the weather last July in Kos?
Climate Change over Years
The climate in Kos in July has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+19°C) and the highest in 2018 (+24°C). The driest year was 1992 with only 335 mm of rainfall, and the wettest year was 2019 with 1062 mm.
FAQ
Is July a good time to visit Kos?
Can you sunbathe in Kos in July?
Can you swim in Kos in July?
Is Kos rainy in July?
Is it sunny in Kos in July?
Other cities in Greece
Monthly weather in Kos
Source of the data
For this page, we’ve looked at the typical weather in Kos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.