Lake Iskar vs Lake Kerkini

Lake Kerkini is the warmer swim right now at about 25.7°C. They are roughly 149 km apart in Bulgaria and Greece.

Lake Iskar

Sofia

21.7°C

warm · modelled estimate

September average
21.7°C
Warmest month
August · 23.0°C
Coldest month
4.0°C
Swim season
June–October

Lake Iskar in Sofia, Bulgaria reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Lake Kerkini

Central Macedonia

25.7°C

hot · modelled estimate

September average
25.7°C
Warmest month
August · 27.0°C
Coldest month
7.0°C
Swim season
June–October

Lake Kerkini in Central Macedonia, Greece warms into the mid-20s °C for reliable summer swimming, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Iskar5.3°C4.0°C5.3°C8.8°C13.5°C18.3°C21.7°C23.0°C21.7°C18.3°C13.5°C8.8°C
Lake Kerkini8.3°C7.0°C8.3°C12.0°C17.0°C22.0°C25.7°C27.0°C25.7°C22.0°C17.0°C12.0°C

Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.

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