Loch Ness vs Myvatn
Loch Ness is the warmer swim right now at about 12.5°C. They are roughly 1133 km apart in United Kingdom and Iceland.
Loch Ness
Scotland
12.5°C
cool · modelled estimate
- September average
- 12.5°C
- Warmest month
- August · 13.0°C
- Coldest month
- 5.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Vast, deep and famously cold — Loch Ness rarely passes 13°C even in August.
Myvatn
Northeast
11.3°C
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
Myvatn in Northeast, Iceland 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Loch Ness | 5.5°C | 5.0°C | 5.5°C | 7.0°C | 9.0°C | 11.0°C | 12.5°C | 13.0°C | 12.5°C | 11.0°C | 9.0°C | 7.0°C |
| Myvatn | 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.
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