Lake Bygdin vs Lake Tyrifjorden
Lake Tyrifjorden is the warmer swim right now at about 17.8°C. They are roughly 170 km apart in Norway.
Lake Bygdin
Innlandet
cold · modelled estimate
- September average
- 9.4°C
- Warmest month
- August · 10.0°C
- Coldest month
- 1.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Lake Bygdin in Innlandet, Norway stays cold all year; expect a wetsuit or a very quick dip, and freezes or near-freezes in winter.
Lake Tyrifjorden
Viken
mild · modelled estimate
- September average
- 17.8°C
- Warmest month
- August · 19.0°C
- Coldest month
- 1.0°C
- Swim season
- August–August
Lake Tyrifjorden in Viken, Norway is swimmable in high summer, brisk either side of it, and freezes or near-freezes in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Bygdin | 1.6°C | 1.0°C | 1.6°C | 3.3°C | 5.5°C | 7.8°C | 9.4°C | 10.0°C | 9.4°C | 7.8°C | 5.5°C | 3.3°C |
| Lake Tyrifjorden | 2.2°C | 1.0°C | 2.2°C | 5.5°C | 10.0°C | 14.5°C | 17.8°C | 19.0°C | 17.8°C | 14.5°C | 10.0°C | 5.5°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.