The right month for Mardi Himal depends on what you came to do. Trekking, climbing the peak, flying a helicopter over the Annapurnas, or shooting the range each have their own best window. Here is the cross-activity verdict, season by season and month by month, so you can match your trip to the calendar.
Two windows do most of the work on Mardi Himal: autumn (September to November) and spring (March to May). But the best month inside those windows shifts with the activity. Autumn wins on clarity, spring wins on colour, and the timing of day matters as much as the month for anything that flies. The deep climate data sits on our weather page, and the trek-only month-by-month with crowds and trail conditions is on our best season to trek guide.
Autumn gives the clearest air and most stable weather of the year; spring trades a little haze for the rhododendron bloom. Winter is cold, clear and quiet, with snow possible high. Monsoon brings cloud and leeches.
Settled weather and low snowfall open the climbing windows, with autumn often favoured for the drier, more stable conditions on Annapurna-side peaks. Summit nights are colder than the trek camps, so the season runs tighter at altitude.
Fly early. Morning slots (roughly 6 to 10 AM) catch the best visibility before thermal clouds build and afternoon winds pick up. Autumn and spring are the most reliable flying seasons.
Post-monsoon air is the cleanest of the year, so peaks read sharp from valley to ridge. Spring adds colour from the bloom but more afternoon haze. Winter mornings are crisp when skies are clear.
Pokhara's paragliding and lakeside activities run best in the dry seasons, when thermals are workable and skies are open. Monsoon grounds most flights and clouds the lake views.
For the trek itself the choice is between two prime spells. October and November bring the clearest, most stable skies of the year, the best time if your priority is seeing the Annapurna and Machhapuchhre panorama at its sharpest. March and April trade a touch of haze for the rhododendron bloom, which peaks around mid-April and colours the forest belt red, pink and white. Winter (December to February) stays walkable on the lower trail and rewards you with crisp views and empty paths, but High Camp and above can be snow-blocked, worst in January. The monsoon (June to September) is the one stretch to avoid, with cloud, leeches and landslide risk.
Whichever window you choose, departures fill fastest for October and April, so book early. Our scheduled group dates are listed on the fixed departures page.
Peak climbing follows the same two seasons as the trek but on a tighter leash. Autumn (September to November) is the prime window for settled weather and low snowfall, with spring (March to May) close behind; on the Annapurna side, autumn's drier, more stable air is often favoured. The catch is altitude: summit and high-camp nights run colder than the trekking camps, so the usable window is shorter. More on routes and grades is on the peak climbing page.
Helicopter tours care less about the month and more about the hour. The most reliable flying is on a clear morning in autumn or spring, with early slots (roughly 6 to 10 AM) catching the best visibility before thermal clouds build over the range and afternoon winds rise. Monsoon flights are frequently clouded out or cancelled. The routes and timing are on our helicopter tour page.
For photography, October and November are unmatched. The post-monsoon air is the cleanest of the year, so the peaks read crisp from the valley floor to the highest ridge, and sunrise from High Camp or Badal Danda is at its most reliable. Spring adds the colour of the bloom but brings more afternoon haze, so shoot early. Clear winter mornings can be superb when the skies settle. The full visibility and light notes are on our photography page.
Pokhara's own activities, paragliding above Phewa Lake, boating and the lakeside, run best in the same dry seasons, when thermals are workable and the air is open; the monsoon grounds most flights. If you want to line your trip up with a local festival, from Dashain and Tihar in autumn to the Gurung Tamu Lhosar in late December, see our seasonal events calendar.
A one-line verdict for each month, blending all activities. Conditions are general for the Mardi Himal and Annapurna foothills; the deep temperature and snow data is on our weather page.
Coldest month; sharp views on clear days, snow can block High Camp and above, very quiet.
Still cold and clear, winter snow lingering high; settled skies, few crowds.
Warming up, rhododendrons start in the lower forest, good visibility before the haze.
Best spring month: rhododendron peak around mid-April, warm and clear lower down.
Higher blooms still flowering, but afternoon haze and cloud build as pre-monsoon arrives.
Monsoon onset: humid, leeches in the forest, cloud hides the peaks, landslide risk.
Wettest month in the Pokhara region; wet, slippery and overcast, lowest season.
Monsoon continues; views rare, trails wet, roads prone to slides.
Monsoon retreats late in the month; lush greenery and clearing skies toward the end.
Most stable weather and clearest skies of the year; busiest, and peak festival season.
Clear, cold nights, superb visibility; the second prime month for every activity.
Crisp and quiet, snow possible at the top; rewarding views for the well-equipped.
October is the best all-round month. It has the most stable weather and the clearest skies of the year, which suits every activity at once: trekking, peak climbing, helicopter flights and photography. November runs a very close second, with colder nights but equally clean air. If you want the rhododendron bloom instead of peak clarity, April is the best spring alternative.
Fly on a clear morning in autumn (September to November) or spring (March to May). Morning slots, roughly 6 to 10 AM, give the best chance of clear peaks before thermal clouds build over the mountains and afternoon winds pick up. Autumn and spring are the most reliable flying seasons; monsoon flights are often cancelled or clouded out. See the full helicopter-tour page for routes and timings.
Autumn (September to November) is the prime window, followed by spring (March to May). Both bring settled weather and low snowfall, and autumn in particular offers dry, stable air on the Annapurna side. Summit and high-camp nights are colder than the trekking camps, so the usable climbing window is tighter than for the trek itself. Monsoon and deep winter are best avoided.
The bloom runs mainly March to April, peaking around mid-April, and it staggers by altitude: the lower forest colours first, with higher belts flowering into April and May. This is the main reason to choose spring over autumn for trekking and photography, even though autumn has cleaner air. The bloom is well documented but the exact peak shifts year to year with the weather.
The Pokhara region is one of the wettest places in Nepal, with annual rainfall around 3,500 to 3,900 mm and the bulk of it falling June to September; July is the wettest month. That means cloud over the peaks, leeches in the forest, slippery trails and landslide risk on the roads. Trekking, climbing, flying and photography all suffer, so most visitors avoid this window.
Winter (December to February) is cold and quiet, with the clearest, sharpest views on settled days and far fewer people on the trail. The trade-off is the cold and the snow: High Camp and above can be snow-blocked, worst in January, so you need proper gear and a flexible plan. For helicopter tours and photography, clear winter mornings can be excellent.
This page gives the cross-activity verdict: the best months for trekking versus peak climbing versus helicopter tours versus photography, side by side. For the deep climate data, temperatures by altitude and snow timing, see the weather page; for the trek-only month-by-month with crowds and trail conditions, see the best season to trek.
We run small-group trips from Pokhara every Saturday from September to May. We also run private trips any day. A $50 deposit holds your place. Pay the rest on arrival in cash or by card.
