Annapurna Base Camp Trek in October — Weather, Temperature & What to Expect

October is the best month of the year to trek to Annapurna Base Camp. The monsoon has cleared, the skies are at their sharpest, the trails are dry, and the temperatures are comfortable — daytime highs of 12–20°C in the lower valleys, cooling to around 10°C at Base Camp, with nights at ABC dropping to roughly −5°C to −8°C. The trade-off is crowds: October is peak season, and the teahouses at Machhapuchhre and Annapurna Base Camp fill up fast.

This guide covers exactly what October looks like on the ABC trail — the temperatures at each altitude, whether it snows, how the first half of the month differs from the second, which week to start, and what you actually need to pack.

Key Takeaways

• October is the best month for ABC — clearest skies, driest trails, most stable weather of the year.
• Daytime temperatures run 12–20°C low down and around 10°C at Base Camp; nights at ABC drop to −5°C to −8°C (down to −10°C late in the month).
• Rain is rare in October, and the trails are dry and firm after the monsoon.
• Light snow is possible at ABC from around 22 October, but it rarely disrupts the trek.
• It is peak season — teahouses at ABC and MBC fill by mid-afternoon, so book ahead.
• Only the ACAP permit is required in 2026 — no TIMS card.

Quick Facts — Annapurna Base Camp in October

Is October a Good Time to Trek Annapurna Base Camp?

Yes — October is widely considered the single best month to trek to Annapurna Base Camp. The monsoon ends in late September, leaving the air washed clean of dust and haze, so the mountain views through October are the clearest of the entire year. The trails dry out, the leeches disappear, and the weather settles into the most predictable pattern of any trekking month.

What makes October stand out:

• Clearest views of the year — Annapurna I, Annapurna South, and Machhapuchhre stand out sharply against deep blue skies
• Stable, dry weather — rain is rare, and when it comes it is brief
• Comfortable temperatures — warm enough to walk in a t-shirt by day, cold but manageable at night
• Dry, firm trails — no mud, no leeches, and rivers have shrunk back, making suspension-bridge crossings safer
• Festival season — Dashain in early October and Tihar at the end bring the villages to life

The only real downside is company. October is the busiest trekking month in Nepal, and ABC is one of its most popular routes. If solitude matters more to you than perfect conditions, consider late October or November instead.

Annapurna Base Camp Temperature in October

Temperatures on the ABC trek in October vary dramatically with altitude — you can start the day walking in a t-shirt through subtropical forest and end it in a down jacket watching your breath fog at Base Camp. Understanding the range by elevation is the key to packing correctly.

The thing that catches trekkers out is the day-to-night swing. At Base Camp, a sunny afternoon can feel genuinely pleasant, and then the sun drops behind the ridge and the temperature falls fifteen degrees within the hour. The second thing to know is that temperatures drop noticeably after the third week of October. Trekkers who underpack on insulation regret it above Deurali — that is the section where a thin sleeping bag stops being a small problem and becomes a cold, sleepless night.

Annapurna Base Camp Weather in October

October has the most reliable weather of any month on the ABC trail. The monsoon has retreated, the air is dry, and rain is rare — and when it does fall, it is usually brief and passes quickly. This predictability is exactly why October is peak season: you can plan your trekking days with confidence.

What the weather actually does:

• Mornings are typically crystal clear — the best time for photography and mountain views
• Afternoons can bring light haze or cloud at lower elevations, and wind picks up around Base Camp after midday
• Evenings cool fast once the sun drops behind the ridges
• Rain is uncommon, with a small chance of leftover monsoon showers in the first few days of the month

One thing worth knowing: it can be windy at Base Camp in October, because the drier air brings afternoon gusts. It is not dangerous, but bare hands and legs get cold quickly — which is why we tell trekkers to switch out of shorts and into proper trekking trousers above Machhapuchhre Base Camp.

Does It Snow at Annapurna Base Camp in October?

Snow at Annapurna Base Camp in October is possible but uncommon, and it rarely disrupts the trek. For most of the month the trail is completely clear. From around 22 October, however, the first cold fronts of the approaching winter can push through the Annapurna region, occasionally bringing a light dusting of snow above 3,500 m.

What this means practically:

• Early and mid-October: snow at ABC is unlikely; expect dry, clear conditions
• Late October (from ~22nd): light snow is possible at ABC and MBC — usually a dusting rather than an obstacle
• The trail stays open in most years, and the views after fresh snow are spectacular
• Heavy, trail-blocking snow is a winter problem (Dec–Feb), not an October one

If you are trekking in late October, pack for cold and check conditions with your guide on the approach days — but do not let the possibility of snow put you off. A light dusting of fresh snow crowning the peaks above the Sanctuary is one of the most beautiful sights of the season.

Early October vs Late October — Which Is Better?

October is not one experience. The first half and the second half of the month feel genuinely different, and choosing between them is the most useful timing decision you can make.

Early to mid-October (1st–21st):

• Warmest temperatures of the month
• The very clearest post-monsoon skies
• Busiest trails — this is the absolute peak
• Dashain festival in the villages
• Teahouses at ABC and MBC fill by mid-afternoon

Late October (22nd onwards):

• Noticeably quieter trails and easier teahouse availability
• Colder nights (ABC can reach −10°C)
• Small chance of a light snow dusting above 3,500 m
• Tihar, the festival of lights — butter lamps glowing in villages like Ghandruk at night
• Still excellent views, often with fresh snow on the peaks

Our honest recommendation: if you want the warmest, most reliable conditions and don't mind company, go in the first three weeks. If you want October's views with fewer people, start after 22 October — bring a warmer sleeping bag and you get the best of both.

The Best Week to Start Your October Trek

If you can choose your dates, start your trek around 11–13 October. That timing puts you at Poon Hill around the 15th, Chhomrong around the 17th, and Annapurna Base Camp around the 20th — catching the most reliable weather window of the month from bottom to top, before the late-October cold fronts arrive.

Why this window works:

• The monsoon is fully finished, so the first-week rain risk has passed
• Skies are at their clearest and most stable
• You reach Base Camp before the 22 October cold-front risk begins
• Nights are cold but not yet at their harshest

If those dates aren't possible, the next best option is starting after 22 October — accepting colder nights in exchange for a noticeably quieter trail. Either way, the middle of the month books out fastest, so reserve early.

Crowds & Teahouse Booking in October

October is the busiest month on the Annapurna Base Camp trail, and the accommodation at the top of the trek is genuinely limited. There are only a couple of teahouses at Annapurna Base Camp itself and a handful at Machhapuchhre Base Camp, and on busy mid-October days they fill by mid-afternoon.

What this means for you:

• Book ABC and MBC in advance — arriving late without a booking can mean sleeping in the dining hall
• Lower on the trail (Bamboo, Himalaya, Deurali, Chhomrong), capacity is fine and pre-booking is not essential
• Start walking early each day — you reach the teahouse before the rush, and the mornings are clearer anyway
• Prices are the same as other seasons, but the good rooms go first

This is one of the concrete benefits of trekking with an operator in October: we book your Base Camp and MBC nights before you leave Kathmandu, so a room is waiting after the hardest day of the trek.

What to Pack for ABC in October

Packing for October means preparing for a 25-degree swing between a sunny afternoon in Chhomrong and a freezing night at Base Camp. You do not need heavy winter expedition gear — but you absolutely need proper insulation for the nights.

The October essentials:

• Down jacket — non-negotiable for evenings at MBC and ABC
• Sleeping bag rated to at least −10°C (teahouse blankets are not enough at Base Camp)
• Thermal base layers for nights and early starts
• Windproof / waterproof shell — for the afternoon wind at Base Camp
• Trekking trousers (not just shorts) for above MBC
• Warm hat, gloves, and thick socks
• Sunglasses and sunscreen — the October sun is fierce at altitude even when the air is cold
• Headlamp — for early starts and dark teahouse corridors

You can trek in a t-shirt and light trousers for most of the day at lower elevations. It is the mornings, the evenings, and everything above Deurali that demand the warm layers. Trekking after 22 October? Upgrade the sleeping bag rating and bring an extra insulating layer.

Permits for the ABC Trek in October

The Annapurna Base Camp trek requires only the ACAP permit in 2026 — NPR 3,000 (about USD 23) for foreign nationals. The TIMS card is no longer required, so any operator or blog quoting you for TIMS is working from outdated information.

• ACAP: NPR 3,000 foreign / NPR 1,000 SAARC / NPR 100 Nepali
• TIMS: not required
• Permits are valid year-round — October has no special permit rules

There is no seasonal restriction on the permit, so October trekking is simply a matter of booking early. When you trek with us, we arrange your ACAP before you arrive.

Frequently Asked Questions

Is October a good time to trek Annapurna Base Camp?

Yes — October is the best month of the year for ABC. The post-monsoon skies are the clearest of the year, the trails are dry, rain is rare, and temperatures are comfortable. The only drawback is that it is the busiest month on the trail.

How cold is Annapurna Base Camp in October?

Nights at Annapurna Base Camp (4,130 m) drop to around −5°C to −8°C in October, and can reach −10°C in the final week. Daytime temperatures at Base Camp sit around 10°C in the sun, while lower on the trail days are a comfortable 12–20°C.

What is the weather like at Annapurna Base Camp in October?

October has the most stable, predictable weather of the year — dry, clear, and sunny, with rare and brief rainfall. Mornings are crystal clear, afternoons can bring light haze and wind at altitude, and nights are cold above 3,500 m.

Does Annapurna Base Camp get snow in October?

Snow is possible but uncommon. From around 22 October, cold fronts can bring a light dusting above 3,500 m. It rarely blocks the trail — heavy snow is a winter (December–February) issue, not an October one.

Which month is best to trek Annapurna Base Camp?

October is the best month overall, followed by November and April. October offers the clearest views and driest trails; November is nearly as clear but colder and quieter; April brings rhododendron blooms and warmer days.

Is October or November better for ABC?

October has the clearest skies and warmer temperatures but the biggest crowds. November is colder, especially at night, but the trails are quieter and visibility remains excellent. If views and warmth matter most, choose October; if you prefer fewer people, choose November.

Do I need to book teahouses in advance in October?

Yes, at Machhapuchhre Base Camp and Annapurna Base Camp specifically — there is limited accommodation and rooms fill by mid-afternoon in peak October. Elsewhere on the route there is enough capacity that advance booking is not essential.

Is October a good time to trek in Nepal generally?

Yes — October is the best trekking month in Nepal overall. The post-monsoon skies are at their clearest nationwide, the weather is stable, and every major region is at its best. It is peak season across the country, so trails and teahouses are busy everywhere.

Which trek is best in October?

October suits every major Nepal trek, but the standouts are Annapurna Base Camp (clear Sanctuary views), Everest Base Camp (the sharpest Himalayan panoramas of the year), the Annapurna Circuit (a reliable Thorong La crossing), and the Manaslu Circuit (quieter than the classics). For shorter options, Mardi Himal and Ghorepani Poon Hill are superb in October.

Is October a good time to do the Annapurna Circuit?

Yes — October is the best month for the Annapurna Circuit too. The Thorong La Pass (5,416 m) is reliably open and snow-free, the weather is stable, and views are at their clearest. Like ABC, it is peak season, so book ahead.

Conclusion — October Is the Month to Go

If you can choose any month of the year to trek to Annapurna Base Camp, choose October. The monsoon has scrubbed the air clean, the Sanctuary reveals its full amphitheatre of peaks against a hard blue sky, and the trails are dry underfoot from Nayapul to Base Camp. Pack a proper down jacket and a −10°C sleeping bag for the cold nights, expect company on the trail, book your Base Camp nights ahead, and October will give you the Annapurnas at their absolute best.

If you want October's conditions with fewer people, aim for the last week of the month — colder nights, quieter trails, and often a fresh dusting of snow on the peaks that the mid-month crowds never saw.

→ See our 14-day Annapurna Base Camp Trek — October departures, teahouses pre-booked
→ Short on time? The 9-day ABC Express Trek
→ Read our full guide to the best time to trek ABC — every season compared
→ How hard is the trek? Read the ABC difficulty guide