Mongar in Winter
In winter (December, January and February), Mongar sees average daytime highs around 14°C and overnight lows near 3°C, with 309 mm of precipitation over about 38 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 14°C. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels dry.
Winter is Mongar's 2nd-best season to visit on our travel score. For the whole year in context, see Mongar's year-round climate.
- Avg daytime high
- 14°C
- coldest season of the year
- Avg overnight low
- 3°C
- Precipitation
- 309 mm
- 38 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.8
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Mongar in Winter
Across winter, daytime highs hold fairly steady around 14°C.
A typical winter day in Mongar reaches about 14°C and drops to 3°C overnight. The warmest of the three months is December, the coolest January.
Mongar 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 | 13° / 2° | 89 | 12.5 | 2.6 | 10.5 | 3.5 |
| Feb | 14° / 4° | 172 | 18.4 | 1.2 | 11 | 3.2 |
| Mar | 17° / 7° | 293 | 25.4 | 0 | 11.8 | 3.5 |
| Apr | 19° / 10° | 414 | 27.4 | 0 | 12.6 | 3.6 |
| May | 21° / 13° | 516 | 29.1 | 0 | 13.3 | 3.6 |
| Jun | 22° / 16° | 798 | 29.6 | 0 | 13.7 | 3.4 |
| Jul | 23° / 17° | 884 | 31 | 0 | 13.5 | 3.3 |
| Aug | 23° / 17° | 574 | 30.4 | 0 | 13 | 3.4 |
| Sep | 22° / 16° | 496 | 27.7 | 0 | 12.2 | 3.7 |
| Oct | 21° / 11° | 195 | 16.8 | 0 | 11.3 | 5.6 |
| Nov | 18° / 7° | 59 | 9 | 0 | 10.7 | 6.0 |
| Dec | 15° / 4° | 48 | 7.4 | 0.4 | 10.3 | 4.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 36% of the time across winter.
Chance of precipitation in Winter
Mongar gets around 309 mm of rain and snow over 38 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 Mongar
None of Mongar's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Mongar's monsoon runs April–September, when most of the year's rain falls.
Is winter a good time to visit Mongar?
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 Mongar.
What to pack for Mongar in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mongar sees daytime highs around 14°C and nights near 3°C. Pack rain gear. Worth having: a warm layer. About 38 days see rain.
UV index in Mongar in Winter
Clear-sky midday UV across winter averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mongar peaks around July 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 5 (moderate).
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 | 5 | 8 | 9 | 10 | 13 | 13 | 11 | 11 | 7 | 6 | 5 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 5 | Moderate |
| Mar | 8 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 7 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Mongar in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mongar is worst in February — around 73 µg/m³ PM2.5 (unhealthy), about 3.7× the cleanest month (July, 20 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 64 | 73 | 67 | 55 | 36 | 27 | 20 | 24 | 28 | 36 | 45 | 54 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 64 | Unhealthy |
| Feb | 73 | Unhealthy |
| Mar | 67 | Unhealthy |
| Apr | 55 | Poor |
| May | 36 | Poor |
| Jun | 27 | Moderate |
| Jul | 20 | Moderate |
| Aug | 24 | Moderate |
| Sep | 28 | Moderate |
| Oct | 36 | Poor |
| Nov | 45 | Poor |
| Dec | 54 | Poor |
Where is Mongar?
Mongar sits at 27.3°N, 91.2°E, 0 m above sea level, in Bhutan. The nearest listed city is Trashigang, 32 km away.
Topography around Mongar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mongar.
Within 3 km, the terrain around Mongar has very significant variations in elevation — a maximum elevation change of 1,572 m around an average of 1,668 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,853 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,706 m.
The land around Mongar is covered by trees (78%) within 3 km, trees (89%) within 16 km, and trees (84%) 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 Mongar (27.2747°, 91.2396°, 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.