Scottish Highlands in May

May through September gives you the longest days and most reliable weather, though 'reliable' is relative in Scotland. July and August bring crowds and higher prices, but also the warmest temperatures and driest conditions. The Edinburgh Festival in August pulls tourists south, leaving the Highlands slightly less packed. September might be the sweet spot — fewer crowds, changing colors, and still-decent weather. But here's the thing about Highland weather: it changes faster than you can check your phone. Pack for all seasons regardless of when you visit. Winter brings its own magic with snow-capped peaks and cozy pub fires, but daylight lasts only six hours in December. The northern lights occasionally appear between October and March if you're lucky and the skies clear. Spring arrives late but delivers dramatic waterfalls from snowmelt. Summer means midges — tiny biting insects that can ruin outdoor adventures. Bring repellent or suffer.