Lake Biwa vs Lake Toba
Lake Toba is the warmer swim right now at about 26.3°C. They are roughly 5282 km apart in Japan and Indonesia.
Lake Biwa
Shiga
23.0°C
warm · modelled estimate
- October average
- 23.0°C
- Warmest month
- August · 28.0°C
- Coldest month
- 8.0°C
- Swim season
- May–November
Japan's largest lake, with white-sand swim beaches on the west shore.
Lake Toba
North Sumatra
26.3°C
hot · modelled estimate
- October average
- 26.3°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
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Biwa | 9.3°C | 8.0°C | 9.3°C | 13.0°C | 18.0°C | 23.0°C | 26.7°C | 28.0°C | 26.7°C | 23.0°C | 18.0°C | 13.0°C |
| Lake Toba | 24.2°C | 24.0°C | 24.2°C | 24.8°C | 25.5°C | 26.3°C | 26.8°C | 27.0°C | 26.8°C | 26.3°C | 25.5°C | 24.8°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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