Loch Katrine vs Loch Lomond
Loch Lomond is the warmer swim right now at about 16.2°C. They are roughly 17 km apart in United Kingdom.
Loch Katrine
Scotland
15.2°C
mild · modelled estimate
- September average
- 15.2°C
- Warmest month
- August · 16.0°C
- Coldest month
- 4.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Loch Katrine in Scotland, United Kingdom stays cool even at its August peak — a short-swim lake, and drops close to single digits in winter.
Loch Lomond
Scotland
16.2°C
mild · modelled estimate
- September average
- 16.2°C
- Warmest month
- August · 17.0°C
- Coldest month
- 5.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Scotland's biggest loch by surface area, with sandy bays at Luss and Milarrochy.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Loch Katrine | 4.8°C | 4.0°C | 4.8°C | 7.0°C | 10.0°C | 13.0°C | 15.2°C | 16.0°C | 15.2°C | 13.0°C | 10.0°C | 7.0°C |
| Loch Lomond | 5.8°C | 5.0°C | 5.8°C | 8.0°C | 11.0°C | 14.0°C | 16.2°C | 17.0°C | 16.2°C | 14.0°C | 11.0°C | 8.0°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.
Related lake comparisons
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