The best months for the Inca Trail are May and September — dry, stable weather without the peak-season crowds of July and August. June through August have the most reliable skies but sell out fastest. February isn’t an option at all: the trail closes entirely for maintenance.
- May or September if you want dry weather with fewer people on the trail.
- June–August if your dates are fixed to those months — just book 5–8 months ahead.
- Avoid February — the trail is closed. Consider Salkantay or Lares instead if those are your only available dates.
Permits, not weather, are usually the real constraint on this trek. Even a “good” month means little if you haven’t secured your dates months in advance.
The Real Weather, by Altitude
Cusco, before you start — 3,400 m (11,150 ft): Cold, clear nights year-round, strong daytime sun even in the rainy season. Roughly 15–20 °C (59–68 °F) by day, near freezing after dark. This is where your 2–3 acclimatization days happen before the trek starts, so the weather here matters for planning even though you’re not trekking yet.
Dead Woman’s Pass — 4,215 m (13,828 ft): The trek’s highest and coldest point, reached on day 2 after a steep, sustained climb. Even in dry season, expect temperatures down to 0 °C (32 °F) or below at dawn, with wind adding to the chill at the exposed summit.
At our highest campsites—like Pacaymayo on the Inca Trail or Upis on the Ausangate trek—the cold during peak dry season is intense. When our crew wakes you up at 5:00 a.m. with hot coca tea in June or July, our guides’ digital thermometers typically read a bracing -5°C (23°F), sometimes plummeting to -8°C (17°F) on particularly clear nights near the glaciers.
You will step out of your tent to find a thick layer of frost over the campsite. This is exactly why we never compromise on gear; we strictly provide high-quality four-season sleeping bags and insulated sleeping mats to ensure our trekkers stay warm and recover fully for the grueling pass ascents ahead.
Wiñay Wayna and the lower stretches toward Machu Picchu — below 2,700 m (8,860 ft): Warmer and more humid, especially as you descend on days 3 and 4 past sites like Phuyupatamarca and Sayacmarca. Daytime temperatures here can reach 20–22 °C (68–72 °F) even when the pass was freezing that same morning — the same layering logic that applies on Salkantay or Lares applies here, just compressed into a shorter route.
Dry season (May–October) doesn’t mean zero rain — it means most days start clear and stay clear. Rainy season (November–April) usually means clear mornings with showers arriving by early-to-mid afternoon, heaviest in January (though the trail is closed by February regardless, so you won’t be trekking through the single wettest month).
Availability and Booking
The government caps the trail at 500 people per day including guides and porters — roughly 200 tourist spots. In high season, that allocation sells out 5–8 months ahead.
Based on the immense demand we are seeing for the current seasons, booking lead times heavily depend on your chosen route. For the highly regulated Classic Inca Trail, you must secure your permits at least 6 to 8 months in advance for departures between May and August.
Permits for these peak months often sell out within days of the government opening the calendar. For alternative routes like Salkantay, Ausangate, or Lares, which do not require state-issued trail permits, we strongly advise booking 3 to 4 months in advance.
While the trails themselves won’t sell out, prime train departures from Aguas Calientes and the best hotel accommodations fill up rapidly during the dry season.
The trail is closed all of February for maintenance and reopens around March 1. March departures sell out fast as pent-up demand from the closure compresses into the reopening month — if you’re set on an early-spring date, book earlier than you would for an equivalent month with no closure behind it.
Permits for the following year are typically released in late October. Each permit is tied to the exact passport used at booking, and it’s non-refundable and non-transferable — no substituting travelers or shifting dates once it’s confirmed, regardless of how far in advance you booked. You also can’t hike independently; only authorized agencies can book Inca Trail permits, and Local Trekkers Peru is one.
I can confirm that the official Classic Inca Trail permit still fundamentally includes your entry ticket to the Machu Picchu citadel itself. Under the current Ministry of Culture regulations, trekkers arriving via the Sun Gate (Inti Punku) on Day 4 are granted access to a designated circuit within the archaeological site.
However, the operational landscape changes frequently. It is important to clarify that this baseline permit only covers the citadel exploration; it does not include access to the extra mountain hikes like Huayna Picchu or Machu Picchu Mountain.
If you want to tackle those add-ons, we must secure those separate, highly restricted permits at the exact moment we book your primary Inca Trail reservation.
Season and permit availability interact in a way worth being explicit about: a “quiet” month on paper, like April or November, still requires real advance booking if your dates are fixed — the trail’s overall cap applies year-round, not just during June–August.
How Many People You’ll Actually Share the Trail With
Honestly, this depends heavily on the month. June through August are the busiest — you’ll share campsites and the pass itself with other groups, and popular viewpoints can feel crowded mid-morning, particularly near Dead Woman’s Pass and at Machu Picchu itself on arrival. May and September see noticeably fewer people while keeping most of the same weather advantages, which is a big part of why local guides tend to recommend them.
November and the shoulder months around the February closure are quieter still, though weather becomes the trade-off rather than crowds.
At Local Trekkers Peru, the term “small group” is an operational standard, not a marketing buzzword. During the peak dry season (May through October), our standard group departures average 6 to 8 trekkers, and we enforce a strict maximum cap of 10 participants.
If a group reaches 8 or more, we always dispatch an assistant guide to manage the pacing. During the rainy and shoulder seasons (November through April), group sizes naturally shrink, typically averaging 2 to 5 trekkers per departure.
Keeping our numbers consistently low allows us to provide highly personalized attention, minimize our environmental footprint, and ensure immediate support if a trekker begins to struggle with the altitude or rough terrain.
What to Pack, By Season
Dry season (May–October): Prioritize warmth over waterproofing. Thermal base layers, a warm hat and gloves for Dead Woman’s Pass, and high-SPF sunscreen — UV exposure at this altitude is stronger than it feels, even under light cloud. Pack rain gear as insurance regardless; brief showers happen even in the driest months, particularly at higher elevations where weather shifts faster than in Cusco itself.
Shoulder months (April, November): Bring the same warm layers as dry season, plus a genuine waterproof shell and pack cover, since afternoon showers become more likely without the dry season’s consistency. This is also where layering flexibility matters most — you might start a clear morning and end a rainy afternoon on the same day.
Rainy season (December–March, outside the February closure): Waterproofing becomes the priority — a full rain jacket and pants, a dry bag or pack liner, and quick-dry clothing for the lower, more humid stretches near Wiñay Wayna. Trekking poles help more here too, since wet stone steps get slick on the descents, particularly on the steep sections after Dead Woman’s Pass.
Across every month, broken-in waterproof boots and real layering — not one heavy jacket — are what actually get you through the temperature swing between the pass and the lower trail sections. The core kit doesn’t change by season nearly as much as how you use it does.
Pros, Cons, and Is This Your Season?
Dry season (May–October) pros: the clearest, most reliable weather and the easiest logistics. Cons: June–August is genuinely crowded, and permits for those months require the earliest booking.
Shoulder months (April, September, November) pros: a strong balance of decent weather and thinner crowds — many guides consider September specifically the best all-around month. Cons: slightly more rain risk than peak dry season.
Rainy season (December–March) pros: green landscapes, the quietest trail conditions, and permits that are comparatively easier to secure. Cons: wetter trail conditions, less reliable mountain views, and the trail is entirely closed in February regardless of your preferences.
There’s no single “best” season for every traveler — there’s the season that matches what you’re willing to trade. If reliable weather and clear photos of Machu Picchu from the Sun Gate matter most, book May or September as early as you can. If quieter trails matter more than guaranteed sunshine, look at April or November instead.
For the full route breakdown — daily distances, altitude profile, permit process, and what to expect at sites like Runkurakay, Sayacmarca, and Phuyupatamarca — we’re building a complete Inca Trail guide covering all of this in one place; it isn’t live yet, but will sit alongside this article once published. In the meantime, our 5 essential tips for hiking the Inca Trail covers booking, training, and documentation in more depth, and our guide to choosing the best Inca Trail tour company is worth reading before you commit to an operator for whichever season you pick. When you’re ready to book, our 4-day Classic Inca Trail to Machu Picchu page has current departure availability.
