Poon Hill Weather: Month-by-Month Guide

The Short Answer

Poon Hill has the widest usable season of any well-known trek in Nepal: broadly October through April, seven months of the year. Because the high point is only 3,210 m and there is no pass, cold and snow are inconveniences rather than obstacles.

Within that window, two months stand out for different reasons. November gives the best odds of a clear sunrise, with dry post-monsoon air and stable weather. March into early April gives the rhododendron bloom, which turns the forest between Ulleri and Ghorepani into one of the great walks in the Himalaya, at the cost of hazier mountain views.

Temperatures Along the Trail

Typical ranges in the main seasons. Deduct roughly 5 to 8 °C from overnight figures for December to February.

The number that matters is the dawn figure at the viewpoint. In November and December it is regularly around -4 °C to 0 °C with a light wind, and you will be standing still in it for forty minutes. Lodges at Ghorepani rent down jackets for a few hundred rupees a night, which is a sensible option if you have travelled light.

Your Realistic Odds of a Clear Sunrise

No one publishes proper statistics for this, so treat the following as an honest summary of the seasonal pattern rather than measured probabilities. It is the most useful thing to know when choosing dates.

One consoling point: because Ghorepani is a comfortable village full of lodges, staying a second night to try again is easy and cheap. Trekkers on a five-day itinerary who get a cloudy first morning often get a clear second one. If the sunrise is the reason you came, build that spare night in — it costs a fraction of what the trip cost to get here.

Month-by-Month Breakdown

January — cold, clear, quiet

The coldest month, with snow likely on the Ghorepani ridge and the Poon Hill path in most years. It is still very much walkable; the steps just need care when icy, and microspikes are useful. Lodges stay open, trails are quiet, and clear January mornings give some of the sharpest views of the year. A good choice if you have warm gear and do not mind an unheated room.

February — warming, still crisp

Milder than January with residual snow retreating through the month. Excellent visibility for most of it, with haze starting to build in the final week. Trails are still quiet. One of the best value months on this trek.

March — rhododendrons begin

The forest between Ulleri and Ghorepani starts to bloom, generally from mid-March at lower elevations and progressing upward. Days are pleasantly warm, nights cool rather than cold. Mountain views are still good though softening as haze develops. For most trekkers, the best all-round compromise month.

April — peak rhododendron, peak crowds

The bloom is at its fullest in the first half of the month, and the walk up through the forest is genuinely spectacular — red, pink and white through the whole canopy. This is also the busiest month alongside October, and haze is now noticeable in the distant view. Ghorepani lodges fill; book ahead or arrive by early afternoon.

May — warm, hazy, thinning out

Warm and comfortable for walking, and the trails start emptying. The cost is visibility: haze flattens the panorama and afternoon cloud builds early. Sunrise can still be clear in the first ten days. Late May is pre-monsoon, with humid afternoons and building thunderstorms.

June to mid-September — monsoon

Rain, leeches in the forest, slippery stone steps in both directions, and peaks that may not appear at all for days. Poon Hill handles monsoon better than high treks — the trail is stone-paved in long stretches and lodges stay open — and the hills are intensely green with waterfalls everywhere. Some trekkers deliberately come now for the emptiness. Just do not come for the sunrise.

Late September to October — the season opens

The monsoon usually breaks in the last week of September. Early October can carry residual cloud; from mid-month conditions stabilise into the classic post-monsoon pattern of sharp clear mornings. By the third week this is peak season and Ghorepani is full.

November — the best month

Dry, stable post-monsoon air gives the highest chance of a clear sunrise of any month, and the rhododendron forest is pleasant walking even without flowers. Nights are cold at Ghorepani but the lodges are warm and social. Trekker numbers drop after the first week. If the sunrise is the priority, this is the month.

December — cold and clear

Continues November's excellent visibility with colder nights and the first snow on the ridge, usually from mid-month. Lodges stay open through winter. Christmas and New Year see a small local rush of trekkers from Kathmandu and Pokhara.

Timing the Rhododendron Bloom

The forest between Ulleri and Ghorepani is one of Nepal's finest rhododendron belts, and the bloom is a legitimate reason to choose spring over autumn despite the weaker views. Timing it takes a little care because the bloom moves uphill as the season advances.

• Early to mid-March: flowering starts at lower elevations, roughly 1,600 to 2,200 m — the Tikhedhunga to Ulleri stretch and just above.
• Late March to mid-April: the main event, with the Banthanti to Nangethanti forest between about 2,200 and 2,600 m in full colour. This is the window to aim for.
• Late April into early May: the highest belt near Ghorepani and toward Deurali blooms last, while lower flowers have dropped.

Bloom timing shifts a week or two either way depending on the winter, so treat these as a guide rather than a schedule. The lali gurans — the red rhododendron, Nepal's national flower — is the most abundant, with white and pink species mixed through the higher forest.

A practical note: the Tadapani descent on the last day passes through equally good forest and is less walked in the morning, so if the bloom matters to you, do not rush that section.

Weather Notes for Families and First-Time Trekkers

Poon Hill is the trek most often walked by families with children and by travellers on their first multi-day hike, so a few season-specific points are worth making plainly:

• Avoid monsoon with children. Not for the rain but for the stone steps, which become genuinely slippery in both directions, and the leeches in the forest, which are a memorable introduction to trekking for the wrong reasons.
• October to December is the easiest weather for beginners — dry paths, predictable days, no need for winter kit beyond a warm layer for the viewpoint.
• January and February need real warm clothing for a dawn stand at 3,210 m, and children feel that cold much more than adults do. Ghorepani lodges rent down jackets, which is worth using.
• April is warm and beautiful but busy. Sharing the summit platform with several hundred people at 5.30 am is harder with young children in the dark. Consider a second night at Ghorepani so you are not committed to one attempt.
• Rain gear every month. Even in November an afternoon shower is possible in these foothills, and the walk from Ghorepani to Tadapani has little shelter.

For fitness expectations and how the stone steps affect different trekkers, see the difficulty guide, and for how seasons interact with crowding and cost, the best time to trek guide.