Best Time for a Retreat in the Kathmandu Valley

Why the valley has its own climate

Kathmandu sits in a bowl at roughly 1,400 metres, ringed by forested hills. Two things follow from that, and both surprise first-time visitors who expect South Asian heat.

The valley is far cooler than the plains of northern India or Nepal’s southern lowlands. Winter nights drop close to freezing, and a practice hall without heating feels it.

The bowl also traps air. On cold, still days a layer of chilled air settles on the valley floor with warmer air above it, and smoke, dust and traffic fumes stay pinned underneath. Meteorologists call it a temperature inversion. Locals simply call it the winter haze. It usually lifts by late morning when the wind picks up.

Autumn: October and November

By the end of September the monsoon withdraws, and within a few weeks the valley looks different. Rain has rinsed the dust from the air, the Himalayan peaks to the north become visible from rooftops on clear mornings, and the days settle into a steady pattern: warm sun, cool evenings, little rain.

This is the busiest travel season in Nepal, and for good reason. An early session of yin yoga or seated meditation starts in fresh air; by midday the courtyards are warm enough to sit outside; by evening you want a sweater. Few practical surprises get in the way.

Two things are worth planning around. Flights and rooms fill early, since everyone wants the same weeks. And the big festivals fall in this season. Dashain, Nepal’s longest and most important festival, usually lands in late September or October; Tihar, the festival of lights, follows in October or November. Both follow the lunar calendar, so the dates move each year. During Dashain many residents travel to their home villages, some shops and offices close, and buses are packed. Tihar is the gentler of the two for a visitor: for several evenings houses and courtyards are lined with oil lamps and strings of marigolds.

Winter: December to February

Winter days in the valley are often bright and dry, and in direct sun it can feel almost like spring. The cold arrives the moment the sun drops. Central heating is rare in Kathmandu homes and not universal in guesthouses, so the coldest hours of the day are early morning, exactly when a retreat schedule tends to begin.

For slow, still practices this needs some preparation. Long yin holds and extended meditation sitting are comfortable only if you are warm: thermal layers, wool socks, a shawl or blanket over the knees, and a flask of something hot nearby.

Morning is also when the haze is thickest. If you have asthma or another breathing condition, check the valley’s air-quality readings before you book and plan walks for the afternoon.

The reward is quiet. Visitor numbers fall, the old squares of Patan and Bhaktapur are calm, and you can sit at a stupa or in a monastery courtyard without a crowd around you. For people who handle cold well, winter can be the most peaceful time of year.

Spring: March to May

The valley warms quickly from late February. March and April form the second main travel season: dry, sunny, with rhododendrons flowering on the surrounding hills.

The air is not as clear as in autumn. Forest fires in the hills and dry dust on the roads blur the mountain views, and on some days the haze returns. By May the heat builds, the afternoons turn humid, and the first pre-monsoon thunderstorms roll in towards the end of the month.

Spring suits movement. Long, dry days with a cool start and a warm finish make flowing practices such as vinyasa or qigong easier on the body than they are in the cold of January.

Monsoon: June to September

The rainy season is the warmest and wettest part of the year, with the heaviest rain usually in July and August. It rarely pours all day. A common pattern is a dry morning, a build-up of cloud after lunch and heavy rain in the late afternoon or at night. Everything turns green, and the dust disappears.

The difficulties are practical rather than about the practice itself. Rain damages roads, landslides close mountain highways, and domestic flights are sometimes delayed by low cloud. Laundry takes days to dry and older buildings feel damp. On the other hand there are few visitors, and sitting in a practice hall listening to the rain has its own appeal.

Matching the season to the practice

If this is your first time in Nepal, choose autumn. It has the fewest weather surprises, clean air, and warmth without heat.

If you want silence and don’t mind the cold, winter is worth considering, especially for a meditation retreat where much of the day is spent seated. Pack for the cold mornings.

If you want to move more, look at spring. The warmth helps with flowing sequences and the slow standing forms of qigong.

Choose the monsoon on purpose: when green hills and empty streets matter more to you than mountain views and long walks.

Where Paramita Yogashala holds its retreats

Paramita Yogashala runs retreats in the Kathmandu Valley, a place tied to the school’s name: its monasteries have kept the Prajnaparamita manuscripts for centuries. More about the setting is on the Kathmandu Valley retreats page. Four practices are offered there: yin yoga, vinyasa flow, qigong and meditation. Classes are taught in English by teachers from India.

Dates for the coming season have not been announced yet. You can register interest on the retreats page and the school will write when the schedule is set, or ask which month would suit you through the contact page.

Questions and answers

What is the best month for a retreat in Kathmandu?

October and November. The monsoon has ended, the air is at its clearest, days are warm and mornings are cool. Late February to April is the second good window.

Is it worth going to Kathmandu during the monsoon?

It can be. From June to September it rains most days, usually in the afternoon and at night, and mornings are often dry. Rain does not interrupt practice indoors, but roads, walks and mountain views suffer.

How cold is Kathmandu in winter?

Sunny days can feel mild, but mornings and nights are cold, and many houses and halls have no central heating. Bring warm layers, wool socks and a shawl for sitting practice.

Is air pollution a problem in the Kathmandu Valley?

In winter the valley traps smoke and dust under a layer of cold air until around midday, and in spring forest fires add haze. After the monsoon, in October and November, the air is cleanest. People with sensitive breathing should check air-quality readings before travelling.

In what language are the school's retreats taught?

In English, by teachers from India.

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