Mongar weather in May

In May, Mongar sees average daytime highs of 21°C and overnight lows near 13°C, with 516 mm of rain across 29.1 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 hours at the start of May to 13 h 36 min by month's end. Set against the rest of the year, May is Mongar's 8th-clearest and 5th-windiest month. For the whole year in context, see Mongar's year-round climate.

Daytime high
21°
5th warmest
Overnight low
13°
8th coldest
Rainfall
516 mm
29.1 wet days
Daylight
13 h 18 min
5:11 AM – 6:32 PM
Cloud cover
78%
8th clearest
Wind
3 km/h
5th windiest
Solar energy
4.75 kWh/m²
Travel score
3.6
out of 10

Mongar is place in Mongar District, Bhutan.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical May day in Mongar reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, May runs about 2°C warmer than April and about 1°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42111
52112
62112
72112
82112
92112
102112
112112
122112
132113
142113
152213
162213
172213
182213
192213
202214
212214
222214
232214
242214
252214
262214
272214
282215
292215
302215
312215

Mongar weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 8912.52.610.53.5
Feb14° / 17218.41.2113.2
Mar17° / 29325.4011.83.5
Apr19° / 10°41427.4012.63.6
May21° / 13°51629.1013.33.6
Jun22° / 16°79829.6013.73.4
Jul23° / 17°88431013.53.3
Aug23° / 17°57430.40133.4
Sep22° / 16°49627.7012.23.7
Oct21° / 11°19516.8011.35.6
Nov18° / 599010.76.0
Dec15° / 487.40.410.34.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41783
51783
61783
71783
81882
91882
101882
111882
121882
131783
141783
151783
161783
171684
181684
191585
201387
211387
221288
231288
241189
251189
261090
27991
28991
29892
30892
31892

Chance of precipitation in May

Any precipitation

Mongar gets around 516 mm of rain over 29.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 98% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
491
591
691
791
892
992
1092
1192
1293
1393
1493
1594
1694
1794
1894
1995
2095
2195
2295
2396
2496
2596
2697
2797
2897
2997
3098
3198

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the comfortable band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1475030
2445240
3425440
4395650
5365860
6336070
7316180
8286390
92664100
102365120
112165140
121965160
131864180
141663210
151463230
161361260
171160290
181057321
19856351
20754381
21652411
22550441
23448471
24346491
25344521
26242551
27240562
28137602
29135622
30133633
31131653

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:22 AM to 5:05 AM, and sunset from 6:23 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:226:23
213.05:216:23
313.15:206:24
413.15:196:25
513.15:186:25
613.15:186:26
713.25:176:26
813.25:166:27
913.25:156:27
1013.25:156:28
1113.25:146:29
1213.35:136:29
1313.35:136:30
1413.35:126:30
1513.35:126:31
1613.35:116:32
1713.45:106:32
1813.45:106:33
1913.45:096:33
2013.45:096:34
2113.45:096:34
2213.45:086:35
2313.55:086:36
2413.55:076:36
2513.55:076:37
2613.55:076:37
2713.55:066:38
2813.55:066:38
2913.65:066:39
3013.65:056:39
3113.65:056:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.75 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 4.93 kWh/m² in April across the year — May's 4.75 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in May

Hazard calendar for Mongar

In seasonPeak

In May, Mongar sits inside 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.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Mongar?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
5th-best month of the year
2.3
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Mongar.

What to pack for Mongar in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Mongar sees daytime highs around 21°C and nights near 13°C. Pack rain gear. Worth having: sun protection. About 29 days see rain.

rain gearsun protection

UV index in Mongar in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 11UV 13Jan 1UV 5
UV index (midday)Level
Jan5Moderate
Feb5Moderate
Mar8Very high
Apr9Very high
May10Very high
Jun13Extreme
Jul13Extreme
Aug11Extreme
Sep11Extreme
Oct7Very high
Nov6High
Dec5Moderate

Air quality in Mongar in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1672 µg/m³Jul 1820 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb73Unhealthy
Mar67Unhealthy
Apr55Poor
May36Poor
Jun27Moderate
Jul20Moderate
Aug24Moderate
Sep28Moderate
Oct36Poor
Nov45Poor
Dec54Poor
Location & terrain

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.

TrashigangJakarSamdrup JongkharTrongsaTsirangPunakhaThimphuParo

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.

3 km
1,572 m
16 km
2,853 m
80 km
5,706 m
treesgrasslandcroplandartificial surfacesbare terrainmoss and lichen
May weather nearby: Trashigang 32 km · Jakar 57 km · Samdrup Jongkhar 59 km · Trongsa 77 km · Tsirang 114 km · Punakha 139 km · Thimphu 159 km · Paro 181 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
Lamaistic Buddhist 75%Indian- and Nepali-influenced Hinduism 22%other 3%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).