Lake Sevan vs Lake Toba

Lake Toba is the warmer swim right now at about 26.8°C. They are roughly 6797 km apart in Armenia and Indonesia.

Lake Sevan

Gegharkunik

18.8°C

mild · modelled estimate

September average
18.8°C
Warmest month
August · 20.0°C
Coldest month
2.0°C
Swim season
July–September

High-altitude Armenian lake with beach resorts on the northern shore.

Lake Toba

North Sumatra

26.8°C

hot · modelled estimate

September average
26.8°C
Warmest month
August · 27.0°C
Coldest month
24.0°C
Swim season
January–December

Vast Sumatran volcanic crater lake, warm and swimmable every month.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Sevan3.2°C2.0°C3.2°C6.5°C11.0°C15.5°C18.8°C20.0°C18.8°C15.5°C11.0°C6.5°C
Lake Toba24.2°C24.0°C24.2°C24.8°C25.5°C26.3°C26.8°C27.0°C26.8°C26.3°C25.5°C24.8°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.

Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.

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