Trongsa in Fall
In fall (September, October and November), Trongsa sees average daytime highs around 13°C and overnight lows near 4°C, with 574 mm of precipitation over about 68 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 16°C in early September to 8°C by late November. The sky is clear or mostly clear about 9% of the time across fall, and the air most often feels dry.
Fall is Trongsa's 2nd-best season to visit on our travel score. For the whole year in context, see Trongsa's year-round climate.
- Avg daytime high
- 13°C
- 2nd-warmest season
- Avg overnight low
- 4°C
- Precipitation
- 574 mm
- 68 wet days
- Avg wind
- 3 km/h
- Travel score
- 2.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Trongsa in Fall
Over the season highs ease from about 16°C in early September to 8°C by late November.
A typical fall day in Trongsa reaches about 13°C and drops to 4°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Trongsa
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 25 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Trongsa weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -7° | 51 | 12 | 11.5 | 10.5 | 0.0 |
| Feb | 5° / -5° | 93 | 16.9 | 14.5 | 11 | 0.1 |
| Mar | 8° / -2° | 185 | 26.7 | 17.8 | 11.8 | 0.8 |
| Apr | 11° / 2° | 195 | 28.3 | 7.8 | 12.6 | 1.6 |
| May | 14° / 5° | 282 | 30.4 | 0.8 | 13.3 | 2.2 |
| Jun | 16° / 9° | 517 | 30 | 0.1 | 13.7 | 2.5 |
| Jul | 16° / 11° | 700 | 31 | 0 | 13.6 | 2.6 |
| Aug | 17° / 10° | 504 | 31 | 0 | 13 | 2.6 |
| Sep | 16° / 9° | 368 | 29.2 | 0.1 | 12.2 | 2.5 |
| Oct | 13° / 4° | 150 | 23.3 | 1.7 | 11.3 | 2.5 |
| Nov | 10° / -1° | 56 | 15.3 | 5.9 | 10.6 | 1.8 |
| Dec | 7° / -4° | 39 | 10.6 | 7.7 | 10.3 | 0.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 9% of the time across fall.
Chance of precipitation in Fall
Trongsa gets around 574 mm of rain and snow over 68 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 3 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early September to 10 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.7 kWh/m².
Hazard calendar for Trongsa
In fall, Trongsa overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Trongsa's monsoon runs June–September, when most of the year's rain falls.
Is fall a good time to visit Trongsa?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Trongsa.
What to pack for Trongsa in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Trongsa sees daytime highs around 13°C and nights near 4°C. Pack a warm layer and rain gear. About 68 days see rain.
UV index in Trongsa in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Trongsa peaks around July 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 11 | 12 | 14 | 15 | 15 | 13 | 13 | 10 | 7 | 5 |
| Level | High | High | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | High |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 14 | Extreme |
| Jun | 15 | Extreme |
| Jul | 15 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 5 | High |
Where is Trongsa?
Trongsa sits at 27.5°N, 90.5°E, 0 m above sea level, in Bhutan. The nearest listed city is Jakar, 25 km away.
Topography around Trongsa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trongsa.
Within 3 km, the terrain around Trongsa has very significant variations in elevation — a maximum elevation change of 1,567 m around an average of 2,399 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,264 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,311 m.
The land around Trongsa is covered by trees (81%) within 3 km, trees (92%) within 16 km, and trees (74%) within 80 km.
Bhutan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / D / F / G / M
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $4,493
- 2025
- Happiness
- 5.1 / 10
- World Happiness, 2018
- Safe drinking water
- 66%
- of population, 2024
- Homicide rate
- 2.5
- per 100k, 2020
- Road deaths
- 16.2
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 473
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Trongsa (27.5026°, 90.5072°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.