Lake Jasna vs Lake Cerknica

Lake Cerknica is the warmer swim right now at about 18.3°C. They are roughly 92 km apart in Slovenia.

Lake Jasna

Kranjska Gora

14.3°C

cool · modelled estimate

October average
14.3°C
Warmest month
August · 18.0°C
Coldest month
3.0°C
Swim season
August–August

Small emerald alpine lake at the foot of the Vršič pass.

Lake Cerknica

Inner Carniola

18.3°C

mild · modelled estimate

October average
18.3°C
Warmest month
August · 23.0°C
Coldest month
4.0°C
Swim season
June–October

Lake Cerknica in Inner Carniola, Slovenia reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Jasna4.0°C3.0°C4.0°C6.8°C10.5°C14.3°C17.0°C18.0°C17.0°C14.3°C10.5°C6.8°C
Lake Cerknica5.3°C4.0°C5.3°C8.8°C13.5°C18.3°C21.7°C23.0°C21.7°C18.3°C13.5°C8.8°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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