Lake Biwa vs Lake Oulujarvi
Lake Biwa is the warmer swim right now at about 23°C. They are roughly 7340 km apart in Japan and Finland.
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 Oulujarvi
Kainuu
13.8°C
cool · modelled estimate
- October average
- 13.8°C
- Warmest month
- August · 18.0°C
- Coldest month
- 1.0°C
- Swim season
- August–August
Lake Oulujarvi in Kainuu, Finland stays cool even at its August peak — a short-swim lake, and freezes or near-freezes in winter.
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 Oulujarvi | 2.1°C | 1.0°C | 2.1°C | 5.3°C | 9.5°C | 13.8°C | 16.9°C | 18.0°C | 16.9°C | 13.8°C | 9.5°C | 5.3°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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