Lake Nasijarvi vs Lake Torneträsk
Lake Nasijarvi is the warmer swim right now at about 18.7°C. They are roughly 780 km apart in Finland and Sweden.
Lake Nasijarvi
Pirkanmaa
mild · modelled estimate
- September average
- 18.7°C
- Warmest month
- August · 20.0°C
- Coldest month
- 1.0°C
- Swim season
- July–September
Lake Nasijarvi in Pirkanmaa, Finland is swimmable in high summer, brisk either side of it, and freezes or near-freezes in winter.
Lake Torneträsk
Lapland
cool · modelled estimate
- September average
- 11.3°C
- Warmest month
- August · 12.0°C
- Coldest month
- 1.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Lake Torneträsk in Lapland, Sweden stays cold all year; expect a wetsuit or a very quick dip, and freezes or near-freezes in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Nasijarvi | 2.3°C | 1.0°C | 2.3°C | 5.8°C | 10.5°C | 15.3°C | 18.7°C | 20.0°C | 18.7°C | 15.3°C | 10.5°C | 5.8°C |
| Lake Torneträsk | 1.7°C | 1.0°C | 1.7°C | 3.8°C | 6.5°C | 9.3°C | 11.3°C | 12.0°C | 11.3°C | 9.3°C | 6.5°C | 3.8°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.
Related lake comparisons
Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.
Explore every sea temperature page
Jump straight to a country, coastal region, city, seasonal ranking or comparison.
