Usually the weather in Loch Lomond during June is 12 with usual highs being around 16 with lows around 11. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 16 |
| Low Temperature | 11 |
| Sunshine Per Day | 7 |
Useful Links: Loch Lomond Weather: Average Weather & Yearly Climate