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21°
Clear
Feels Like: 21°
Min: 21°
Max: 24°
The next few hours will be clear, with today reaching 24°C and dropping to 20°C. The coming days will be clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:08
Sunrise
18:57
Sunset
Moon
Waxing Gibbous
18:20
Moonrise
05:31
Moonset
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View stargazing scoreWeather in Kálymnos today, September 25, 2026
Kálymnos is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 0% around 06:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 24°C and cools toward 21°C. The air stays humid, with relative humidity between 37% and 56% and the peak around 20:00. Winds stay light, near 6.2 km/h by 15:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 0% around 12:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 42.3 km, with poorer spells close to 40.9 km. Sunrise is at 07:08 and sunset at 18:57, giving 11 hours 49 minutes of sunlight today.
The practical takeaway for Kálymnos is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 24°C.
Frequently asked questions about weather in Kálymnos
How warm does it get in Kálymnos?
The warmest month in Kálymnos is August, with average high temperatures of 26°C. The average temperature during this period is around 25°C.
How cold does it get in Kálymnos?
The coldest month in Kálymnos is January, with average low temperatures of 13°C. The average temperature during this period is around 14°C.
What is the wettest time of year in Kálymnos?
The wettest month in Kálymnos is January, with an average of 159mm of precipitation.
What is the driest time of year in Kálymnos?
The driest month in Kálymnos is July, with an average of 0mm of precipitation.