What is the worst month to visit the Sahara?

After years of guiding out here, I never hesitate on this one: July and August are the worst months to visit the Sahara, with June close behind. The reason is simple and physical — high-summer daytime temperatures at Erg Chebbi routinely sit in the 42–48°C range, and the nights stay hot at 25–30°C, so there is no real relief at any point in the day. The desert in deep summer is not a romantic backdrop; it is a furnace that you spend the whole trip managing.

It is worth being clear that this is partly a safety matter, not just comfort. In that kind of heat, dehydration and heat exhaustion are genuine risks for visitors who are not acclimatised, and the magical things people come for — climbing the dunes at midday, lingering outside, even sleeping out under the stars — become either unpleasant or unwise. Many camps reduce their operations or close, and the experience is a shadow of what the same dunes offer in a kinder month.

If I had to rank the difficulty, July is usually the single harshest, August a very close second (easing just slightly at its very end), and June the demanding lead-in before them. By contrast, the cold of the depths of winter — those near-freezing January and December nights — is a far smaller problem, because it is easily solved with warm layers and a good camp, and the days remain pleasant. Cold you can dress for; that summer heat you cannot escape.

So my honest, repeated advice is this: avoid high summer for the deep Sahara unless you genuinely thrive in extreme heat and accept a strict dawn-and-dusk routine. Aim instead for the spring window of March to early May, or the autumn window of late September through October — those are when the desert delivers warm days, comfortable nights and the wonder you actually travelled for. If summer is truly your only option, talk to me first and I will build the safest version I can.