Seasons · months · festivals
The best time to visit Bhutan
The short answer
Spring or autumn — but read the fine print
March–May and late September–November are the best overall windows: dry, mild in the valleys, and dense with festivals. Between the two, pick by priority:
- Autumn for mountain views — post-monsoon air is the clearest of the year, and November is nearly rainless (Thimphu's November normal: 1 mm).
- Spring for flowers — rhododendrons sweep up the hillsides from mid-March, peaking in April — but haze builds toward May and the big views get less reliable.
- Winter (December–February) is underrated: the sharpest Himalaya views, black-necked cranes in Phobjikha, real festivals, and low valleys like Punakha staying genuinely mild. The cost is freezing nights and the odd brief pass closure.
- Monsoon (June–September) is a trade-off, not a write-off: the greenest valleys, the fewest visitors and softer hotel pricing — against wet trails, landslide-prone roads and weather-dependent Paro flights.
Season by season
Spring — March to May
Valleys warm quickly (Thimphu climbs from 19 °C highs in March to 25 °C in May) and the rhododendron bloom moves uphill with the season: mid-March in the temperate belt, peak in April, and the Chele La pass still flowering into May. Paro Tshechu (29 March–2 April in 2026) makes early April the single highest-demand week of the year. The catch: humidity and haze build toward May, so distant snow-peak views become a morning lottery rather than a given. Spring is also — despite the received wisdom — Bhutan's biggest season by arrivals (see the crowds section below).
Summer monsoon — June to September
The southwest monsoon normally sets in around 5 June (Bhutan's weather service, NCHM, formally declares onset) and delivers roughly two-thirds to three-quarters of the year's rain by late September. In the western tourist valleys most of it falls late afternoon and overnight, leaving usable mornings; the south is a different world, with Phuentsholing alone taking 963 mm in July. Rice paddies hit their most intense green in July, hotels are quieter and cheaper, but high treks are off-season, mountain roads face landslide closures, and Paro flights run on a weather-dependent schedule. The full honest take is on the monsoon & rainfall page.
Autumn — late September to November
The rains taper through late September and the atmosphere rinses clean: October and November offer the year's most dependable mountain views alongside the great festival cluster — Thimphu Tshechu at the monsoon's tail, Jakar Tshechu and Jambay Lhakhang Drup in Bumthang's crisp October, the Black-Necked Crane Festival on 11 November. Rice terraces turn gold for the harvest. October is the peak of the autumn high season and the classic trekking month (Jomolhari at its best; the Snowman's only real window is late September–mid October) — book two to six months ahead.
Winter — December to February
Winter weather rides on western disturbances — Mediterranean-born storm systems — between which the valleys sit under day after day of sun: mild afternoons, hard-freezing nights, and almost no rain. Skies are at their clearest of the whole year. Phobjikha hosts its wintering black-necked cranes from late October to mid-February, the Dochula Druk Wangyel festival is fixed on 13 December, and Punakha — at just 1,242 m, with January highs near 19 °C — anchors the classic warm-valley winter itinerary and its late-February festivals. Snow dusts the valley floors a few times a winter and falls frequently on the high passes, which can close briefly after storms.
The data
Bhutan weather month by month — six towns
Average daily high / low and monthly rainfall, from Bhutan's National Center for Hydrology and Meteorology (NCHM) station normals. The spread between columns is the elevation story: Phuentsholing (293 m) and Phobjikha (~2,900 m) are the same country, three climates apart. The temperature axis is shared across all six panels; each rain scale is the town’s own — the wet south would flatten every other panel otherwise.
Daily high °C Nightly low °C Rainfall mm
| Month | Thimphu2,321 m | Paro2,266 m | Punakha1,242 m | Phobjikha2,900 m | Bumthang2,587 m | Phuentsholing293 m |
|---|---|---|---|---|---|---|
| Jan | 14.8° / −2.2° 6 mm | 13.2° / −0.9° 7 mm | 18.8° / 5.8° 14 mm | 9.4° / −3.5° 4 mm | 11.4° / −3.9° 6 mm | 23.9° / 13.4° 17 mm |
| Feb | 16.6° / 0.3° 9 mm | 15° / 1.3° 13 mm | 20.7° / 7.9° 22 mm | 10.8° / −3.3° 11 mm | 13° / −1.1° 11 mm | 26.6° / 16.3° 31 mm |
| Mar | 19.3° / 3.8° 20 mm | 17.9° / 4.3° 22 mm | 23.9° / 11.2° 17 mm | 13.1° / 0.5° 90 mm | 15.3° / 2.1° 34 mm | 29.8° / 18.5° 80 mm |
| Apr | 22.4° / 7.9° 30 mm | 20.6° / 7.8° 34 mm | 26.8° / 14.4° 44 mm | 15.8° / 2.8° 189 mm | 17.5° / 5.9° 67 mm | 31.1° / 20.1° 217 mm |
| May | 24.8° / 11.6° 50 mm | 22.7° / 11.2° 59 mm | 28.8° / 17.3° 85 mm | 17.6° / 6.9° 274 mm | 19.7° / 9.5° 94 mm | 32.3° / 21.7° 380 mm |
| Jun | 26.7° / 15.3° 98 mm | 24.6° / 14.5° 81 mm | 30.5° / 19.9° 143 mm | 19.6° / 10° 268 mm | 21.9° / 13° 98 mm | 32.3° / 23.1° 807 mm |
| Jul | 27° / 16.5° 153 mm | 25° / 16.1° 161 mm | 30.7° / 20.8° 158 mm | 20° / 11.3° 516 mm | 22.7° / 14.4° 156 mm | 31.9° / 23.7° 963 mm |
| Aug | 27.3° / 16.1° 121 mm | 24.9° / 15.7° 113 mm | 30.4° / 20.6° 148 mm | 20.3° / 11.4° 530 mm | 22.7° / 14.2° 139 mm | 32.3° / 23.8° 779 mm |
| Sep | 26° / 14.6° 74 mm | 23.3° / 14.2° 88 mm | 29.3° / 19.4° 101 mm | 18.9° / 10.3° 211 mm | 21.6° / 12.5° 89 mm | 31.7° / 23.1° 493 mm |
| Oct | 23.7° / 9° 43 mm | 20.7° / 9.3° 49 mm | 27.4° / 16.6° 46 mm | 16.7° / 5.6° 97 mm | 18.8° / 7° 57 mm | 31.2° / 21.1° 163 mm |
| Nov | 19.7° / 3.2° 1 mm | 16.9° / 4.7° 2 mm | 23.9° / 11.4° 5 mm | 13.2° / −0.3° 37 mm | 15.5° / 1.3° 7 mm | 28.7° / 17.9° 13 mm |
| Dec | 16.6° / −0.8° 4 mm | 14.6° / 0.5° 3 mm | 20.2° / 7.3° 4 mm | 10.6° / −4.1° 1 mm | 12.9° / −2.9° 2 mm | 25.4° / 15° 10 mm |
| Year | ≈ 609 mm rain | ≈ 631 mm rain | ≈ 786 mm rain | ≈ 2,228 mm rain | ≈ 760 mm rain | ≈ 3,953 mm rain |
Source: NCHM Climate Data Book of Bhutan, 2018 (station normals, 1996–2018). Phobjikha's valley-floor elevation is approximate. Live model forecasts read a few degrees cooler than these station figures — see the forecast page for why the two shouldn't be compared directly.
Pick your month
Each month has its own page: per-town normals, crowds and costs, that month's festivals, and what's actually worth doing.
Picked your month?
Little Bhutan builds itineraries around exactly these windows — festival seats, trek permits and warm-valley winter routings included. Tell them when you want to come and they'll shape the trip to the season.
Festivals shape the calendar
The big tshechus cluster in exactly the good-weather windows — which is both why they exist and why hotels sell out around them. The 2026 anchor dates:
- Punakha Drubchen & Tshechu — 24 February–1 March 2026, in the mild low valley: proof that late winter works.
- Paro Tshechu — 29 March–2 April 2026; peak spring and the year's highest demand.
- Thimphu Tshechu — 21–23 September 2026, as the monsoon clears; Wangdue Tshechu runs just before it.
- Jakar Tshechu (18–21 October) and Jambay Lhakhang Drup (26–29 October) 2026 — Bumthang's autumn cluster, with cold nights.
- Black-Necked Crane Festival — 11 November and Dochula Druk Wangyel — 13 December: the only two on fixed dates, every year.
Tshechu dates follow the lunar calendar and shift every year (dates above verified July 2026; 2027 dates were still conflicting between operators at that time). Confirm on bhutan.travel before booking flights. The full matrix is on festivals & weather.
Crowds and costs, honestly
Two things the brochures get wrong. First, October is not the busiest month — it's the peak of the autumn season, but the Department of Tourism's own bulletin shows May 2025 as the single busiest month (29,876 arrivals), with April just behind; the spring peak is real. Second, cheap seasons are about hotel and flight pricing, not government fees: the Sustainable Development Fee is a flat USD 100 per person per night year-round (rate stated as valid to 31 August 2027 — reconfirm near that date). Monsoon and winter bring discounted rooms and easier availability; autumn and the Paro Tshechu window demand booking two to six months ahead.
Found your season? Plan the trip.
Little Bhutan is a locally owned operator that builds your itinerary around the weather — guide, permits, government fees and hotels included.
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