Trongsa in Winter
In winter (December, January and February), Trongsa sees average daytime highs around 5°C and overnight lows near -6°C, with 182 mm of precipitation over about 40 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 5°C. The sky is clear or mostly clear about 21% of the time across winter, and the air most often feels dry.
Winter is Trongsa's weakest season of the year to visit on our travel score. For the whole year in context, see Trongsa's year-round climate.
- Avg daytime high
- 5°C
- coldest season of the year
- Avg overnight low
- -6°C
- Precipitation
- 182 mm
- 40 wet days
- Avg wind
- 3 km/h
- Travel score
- 0.3
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Trongsa in Winter
Across winter, daytime highs hold fairly steady around 5°C.
A typical winter day in Trongsa reaches about 5°C and drops to -6°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Trongsa
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Trongsa weather by month
How the three winter months (December, January and February) 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 Winter
The sky is clear or mostly clear about 21% of the time across winter.
Chance of precipitation in Winter
Trongsa gets around 182 mm of rain and snow over 40 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 3 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 24 min in early December to 11 h 24 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.6 kWh/m².
Hazard calendar for Trongsa
None of Trongsa's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Trongsa's monsoon runs June–September, when most of the year's rain falls.
Is winter a good time to visit Trongsa?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Trongsa.
What to pack for Trongsa in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Trongsa sees daytime highs around 5°C and nights near -6°C. Pack a warm layer, a heavy coat and rain gear. About 40 days see rain.
UV index in Trongsa in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. 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.