Mongar in Summer
In summer (June, July and August), Mongar sees average daytime highs around 23°C and overnight lows near 17°C, with 2255 mm of rain over about 91 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels humid.
Summer is Mongar's weakest season of the year to visit on our travel score. For the whole year in context, see Mongar's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 2255 mm
- 91 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.4
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Mongar in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Mongar reaches about 23°C and drops to 17°C overnight. The warmest of the three months is August, the coolest June.
Mongar weather by month
How the three summer months (June, July and August) 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 Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Mongar gets around 2255 mm of rain over 91 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 3 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 min in early June to 12 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 3.5 kWh/m².
Hazard calendar for Mongar
In summer, Mongar overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Mongar's monsoon runs April–September, when most of the year's rain falls.
Is summer a good time to visit Mongar?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Mongar.
What to pack for Mongar in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mongar sees daytime highs around 23°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 91 days see rain.
UV index in Mongar in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). 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 Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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.