Loch Earn vs Loch Ness
Loch Earn is the warmer swim right now at about 16.1°C. They are roughly 105 km apart in United Kingdom.
Loch Earn
Scotland
16.1°C
mild · modelled estimate
- September average
- 16.1°C
- Warmest month
- August · 17.0°C
- Coldest month
- 4.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Loch Earn in Scotland, United Kingdom stays cool even at its August peak — a short-swim lake, and drops close to single digits in winter.
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.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Loch Earn | 4.9°C | 4.0°C | 4.9°C | 7.3°C | 10.5°C | 13.8°C | 16.1°C | 17.0°C | 16.1°C | 13.8°C | 10.5°C | 7.3°C |
| 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 |
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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