Barragem do Alqueva vs Lagoa das Sete Cidades

Barragem do Alqueva is the warmer swim right now at about 26.9°C. They are roughly 1599 km apart in Portugal.

Barragem do Alqueva

Alentejo

26.9°C

hot · modelled estimate

September average
26.9°C
Warmest month
August · 28.0°C
Coldest month
11.0°C
Swim season
May–November

Barragem do Alqueva in Alentejo, Portugal stays bath-warm through the summer swim season, and stays mild even in winter.

Lagoa das Sete Cidades

Azores

19.5°C

mild · modelled estimate

September average
19.5°C
Warmest month
August · 20.0°C
Coldest month
13.0°C
Swim season
June–October

Lagoa das Sete Cidades in Azores, Portugal is swimmable in high summer, brisk either side of it, and stays mild even in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Barragem do Alqueva12.1°C11.0°C12.1°C15.3°C19.5°C23.8°C26.9°C28.0°C26.9°C23.8°C19.5°C15.3°C
Lagoa das Sete Cidades13.5°C13.0°C13.5°C14.8°C16.5°C18.3°C19.5°C20.0°C19.5°C18.3°C16.5°C14.8°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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