Trashigang weather in May

In May, Trashigang sees average daytime highs of 21°C and overnight lows near 13°C, with 320 mm of rain across 27.9 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 6% 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 Trashigang's 8th-clearest and 5th-windiest month. For the whole year in context, see Trashigang's year-round climate.

Daytime high
21°
5th warmest
Overnight low
13°
8th coldest
Rainfall
320 mm
27.9 wet days
Daylight
13 h 18 min
5:10 AM – 6:30 PM
Cloud cover
73%
8th clearest
Wind
3 km/h
5th windiest
Solar energy
4.72 kWh/m²
Travel score
3.9
out of 10

Trashigang is city.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical May day in Trashigang 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
42112
52112
62112
72112
82112
92112
102112
112112
122112
132113
142113
152113
162113
172113
182213
192213
202214
212214
222214
232214
242214
252214
262214
272214
282214
292215
302215
312215

Trashigang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 358.710.54.0
Feb15° / 6312.2114.1
Mar17° / 12017.911.84.5
Apr19° / 10°2072312.64.2
May21° / 13°32027.913.33.9
Jun22° / 16°61029.713.73.4
Jul22° / 17°8713113.63.3
Aug23° / 17°61631133.3
Sep22° / 15°39128.712.23.6
Oct21° / 11°10811.211.36.4
Nov18° / 214.710.76.6
Dec15° / 245.810.35.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32971
42971
53070
63070
73169
83268
93169
103268
113268
123268
133367
143268
153169
163169
173070
182971
192773
202674
212575
222377
232278
242179
251981
261981
271882
281684
291684
301684
311684

Chance of precipitation in May

Any precipitation

Trashigang gets around 320 mm of rain over 27.9 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 90% and peaks near 96% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
385
485
586
686
786
886
987
1087
1187
1287
1388
1488
1588
1689
1789
1890
1990
2091
2191
2292
2392
2493
2594
2694
2795
2895
2996
3096
3196

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1514720
2484930
3465130
4435340
5405640
6385750
7355960
8326170
9306280
102763100
112564110
122265130
132065150
141864180
151763200
161562230
171361260
181259290
191058320
20956350
21756370
22654400
23552430
24451450
25348480
26346510
27244531
28242551
29140581
30138601
31136621

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 5:20 AM to 5:04 AM, and sunset from 6:22 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:206:22
213.05:196:22
313.15:196:23
413.15:186:23
513.15:176:24
613.15:166:25
713.25:166:25
813.25:156:26
913.25:146:26
1013.25:136:27
1113.25:136:27
1213.35:126:28
1313.35:116:29
1413.35:116:29
1513.35:106:30
1613.35:106:30
1713.45:096:31
1813.45:096:32
1913.45:086:32
2013.45:086:33
2113.45:076:33
2213.55:076:34
2313.55:066:34
2413.55:066:35
2513.55:056:35
2613.55:056:36
2713.55:056:37
2813.55:046:37
2913.65:046:38
3013.65:046:38
3113.65:046:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.72 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 4.92 kWh/m² in April across the year — May's 4.72 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
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in May

Hazard calendar for Trashigang

In seasonPeak

None of Trashigang's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Trashigang's monsoon runs June–August, 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 Trashigang?

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

3.9
Sightseeing
8th-best month of the year
2.4
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Trashigang.

What to pack for Trashigang in May

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

In May, Trashigang sees daytime highs around 21°C and nights near 13°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Trashigang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trashigang peaks around July 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highHighJul 13UV 14Jan 11UV 5
UV index (midday)Level
Jan5Moderate
Feb6High
Mar9Very high
Apr9Very high
May11Extreme
Jun13Extreme
Jul14Extreme
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Trashigang 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 Trashigang 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 Trashigang?

Trashigang sits at 27.3°N, 91.6°E, 0 m above sea level, in Bhutan. The nearest listed city is Mongar, 32 km away.

MongarSamdrup JongkharJakarTrongsaTsirangPunakhaThimphuParo

Topography around Trashigang

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trashigang.

Within 3 km, the terrain around Trashigang has very significant variations in elevation — a maximum elevation change of 1,730 m around an average of 1,273 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,540 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,299 m.

The land around Trashigang is covered by trees (63%) and grassland (35%) within 3 km, trees (79%) within 16 km, and trees (78%) within 80 km.

3 km
1,730 m
16 km
3,540 m
80 km
6,299 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
May weather nearby: Mongar 32 km · Samdrup Jongkhar 59 km · Jakar 83 km · Trongsa 105 km · Tsirang 146 km · Punakha 168 km · Thimphu 189 km · Paro 212 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 Trashigang (27.3331°, 91.5542°, 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).