Embalse de El Atazar vs Lake Sanabria

Embalse de El Atazar is the warmer swim right now at about 20.5°C. They are roughly 300 km apart in Spain.

Embalse de El Atazar

Madrid

20.5°C

warm · modelled estimate

October average
20.5°C
Warmest month
August · 25.0°C
Coldest month
7.0°C
Swim season
June–October

Embalse de El Atazar in Madrid, Spain warms into the mid-20s °C for reliable summer swimming, and drops close to single digits in winter.

Lake Sanabria

Castilla y León

17.8°C

mild · modelled estimate

October average
17.8°C
Warmest month
August · 22.0°C
Coldest month
5.0°C
Swim season
July–September

Spain's largest glacial lake, with sandy swim beaches at Viquiella.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Embalse de El Atazar8.2°C7.0°C8.2°C11.5°C16.0°C20.5°C23.8°C25.0°C23.8°C20.5°C16.0°C11.5°C
Lake Sanabria6.1°C5.0°C6.1°C9.3°C13.5°C17.8°C20.9°C22.0°C20.9°C17.8°C13.5°C9.3°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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