Skye & the Small Isles Midges in July — Risk, Peak Times, Kit
Hard going at dawn and dusk. Head net essential outdoors. Skye sees its share — the Cuillin glens are sheltered enough to hold midges, and low-level coastal walks pass through hostile patches at dawn. Rum, Eigg, and Muck range from mild (windy headlands) to severe (sheltered shores).
Current risk
Skye & the Small Isles in July: High. Hard going at dawn and dusk. Head net essential outdoors.
When they bite
Peak biting windows are dawn 5–8am and dusk 7–10pm. Peak humidity, peak sheltered-glen pressure. Long daylight (sunset after 10pm). Calm humid overcast evenings in Glen Brittle and Glen Sligachan are amongst the worst of the Scottish year.
What to wear
- Smidge repellent (75ml)
- LifeSystems head net
- Light-coloured long-sleeve baselayer — midges have a strong preference for dark clothing.
Tactical notes
July on Skye is peak season at full strength. [Glen Brittle](/glens/glen-brittle) and [Glen Sligachan](/glens/glen-sligachan) are functionally the same biological habitat as Lochaber's worst glens — high humidity, sheltered, warm, and lush bog ground that produces a continuous July emergence. The Sligachan Inn's beer garden in a calm July evening is famous for the wrong reasons. The Glen Brittle Campsite at the foot of the Cuillin is a brutal experience in calm warm weather.
The Cuillin Ridge stays workable. The day-rounds of [Sgurr nan Gillean](/hillwalking/munros/sgurr-nan-gillean), [Am Basteir](/hillwalking/munros/am-basteir), [Bruach na Frithe](/hillwalking/munros/bruach-na-frithe), [Sgurr a' Ghreadaidh](/hillwalking/munros/sgurr-a-ghreadaidh) and the southern end at [Sgurr Dubh Mor](/hillwalking/munros/sgurr-dubh-mor) all produce midge-free hours between about 10am and 6pm, with the descent windows and the bothy/camp nights being where the cost is paid. The full [Cuillin Ridge Traverse](/blog/cuillin-ridge-traverse-guide) in July is a particular masochism — most successful attempts are timed for the longest daylight of the year specifically to bracket the midge windows, which works for the on-ridge time but not the descent.
The Trotternish escape remains the strategic move. The exposed ridge from Storr north past the [Quiraing](/hillwalking/marilyns/meall-na-suiramach) stays workable on most July days because of the consistent ridge wind. The [Skye Trail](/long-distance/skye-trail) attempts in July are doable but the sheltered glen overnights (Sligachan, Loch Slapin, Loch Eishort) are where the pain is. Small Isles: [Dibidil bothy](/bothies/dibidil) deep in Rum's south coast is one of the worst July bothy nights available; [Camasunary](/bothies/camasunary) on Skye is moderately better with sea breeze; [Tomsleibhe](/bothies/tomsleibhe) on Mull benefits from the lower Mull midge population vs Skye. If you're booking Skye for the first time, push to September; if you're booked in already, lean into the Cuillin ridges and the Trotternish exposed walks, and treat Glen Brittle as a midge problem to be solved tactically rather than camped at romantically.