Lake Randsfjorden vs Lake Siljan
Lake Siljan is the warmer swim right now at about 17.8°C. They are roughly 244 km apart in Norway and Sweden.
Lake Randsfjorden
Innlandet
mild · modelled estimate
- September average
- 16.9°C
- Warmest month
- August · 18.0°C
- Coldest month
- 1.0°C
- Swim season
- August–August
Lake Randsfjorden in Innlandet, Norway stays cool even at its August peak — a short-swim lake, and freezes or near-freezes in winter.
Lake Siljan
Dalarna
mild · modelled estimate
- September average
- 17.8°C
- Warmest month
- August · 19.0°C
- Coldest month
- 1.0°C
- Swim season
- August–August
Lake Siljan in Dalarna, Sweden 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 Randsfjorden | 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 |
| Lake Siljan | 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.
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