Weather in Kos in October 2025
Average weather
Average temperature in Kos in October
Going from a maximum of +26°C during the day to a minimum of +20°C during the night, the temperature in October averages around +24°C.
The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +25°C to +23°C.
Is Kos warm or cold in October?
Kos is typically mild in October.
Maximum temperatures go down compared to the previous month from +25°C to +22°C. The minimum temperature also goes down from +23°C to +20°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Kos:
Water temperature in Kos in October
Water in Kos in October is Comfortable. It varies from +20°C to +26°C, with an average of +23°C. Note that the air temperature is lower than the water temperature, averaging around +22°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Kos in October?
Climate in Kos in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +22°C | +19°C | ||||
| Min. temperature | ||||||
| +17°C | +11°C | +7°C | ||||
| Max. temperature | ||||||
| +36°C | +36°C | +28°C | ||||
| Rainfall | ||||||
| 9 mm | 42 mm | 99 mm | ||||
| Wind | ||||||
| 6 m/s | 5 m/s | 6 m/s | ||||
| Avg. water temperature | ||||||
| +26°C | +23°C | +20°C | ||||
| Humidity | ||||||
| 76% | 75% | 73% | ||||
| Air pressure | ||||||
| 1011 HPa | 1014 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 26 | 18 | 10 | ||||
| Cloudy days | ||||||
| 2 | 7 | 7 | ||||
| Rainy days | ||||||
| 2 | 7 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October typically has worse weather conditions compared to September. It’s getting colder in October. From +25°C in the day, the average maximum temperature lowers to +22°C. Prepare for more rain. Average rainfall goes from 9 mm to 42 mm. It feels drier, as humidity decreases from 76% to 75%. Winds are calmer in comparison to September, going down from 6 m/s to 5 m/s on average. The days becoming less sunny, going from 26 sunny days in September to 18 in October.
November brings much the same weather, it remains good.
Wind
The average wind speed is 5 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 October, going from 11 m/s to 2 m/s over the course of the month.
How was the weather last October in Kos?
Climate Change over Years
The climate in Kos in October 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 October a good time to visit Kos?
Can you sunbathe in Kos in October?
Can you swim in Kos in October?
Is Kos rainy in October?
Is it sunny in Kos in October?
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.