Trashigang weather in January

In January, Trashigang sees average daytime highs of 13°C and overnight lows near 3°C, with 35 mm of precipitation across 8.7 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of January to 10 h 42 min by month's end. Set against the rest of the year, January is Trashigang's 4th-clearest and 3rd-windiest month. For the whole year in context, see Trashigang's year-round climate.

Daytime high
13°
12th warmest
Overnight low
1st coldest
Precipitation
35 mm
8.7 wet days
Daylight
10 h 24 min
6:50 AM – 5:17 PM
Cloud cover
51%
4th clearest
Wind
4 km/h
3rd windiest
Solar energy
3.57 kWh/m²
Travel score
4.0
out of 10

Trashigang is city.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical January day in Trashigang reaches about 13°C in the afternoon and slips back to 3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1143
2143
3143
4143
5133
6133
7133
8133
9133
10133
11133
12133
13133
14133
15133
16133
17133
18133
19133
20133
21133
22133
23133
24133
25133
26133
27133
28133
29133
30143
31143

Trashigang weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56733
66733
76634
86535
96337
106238
116238
126139
136040
145941
155842
165743
175644
185545
195545
205446
215446
225347
235347
245347
255347
265347
275347
285248
295248
305248
315149

Chance of precipitation in January

Any precipitation

Trashigang gets around 35 mm of rain and snow over 8.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 36% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
118
218
318
418
519
620
721
822
922
1023
1124
1225
1326
1427
1528
1629
1730
1831
1932
2032
2133
2233
2334
2434
2535
2635
2735
2835
2935
3035
3136

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 18 min at the start of January to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 6:48 AM to 6:46 AM, and sunset from 5:06 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.36:485:06
210.36:485:07
310.36:485:07
410.36:495:08
510.36:495:09
610.36:495:09
710.36:495:10
810.46:495:11
910.46:495:11
1010.46:505:12
1110.46:505:13
1210.46:505:14
1310.46:505:14
1410.46:505:15
1510.46:505:16
1610.46:505:17
1710.56:505:17
1810.56:495:18
1910.56:495:19
2010.56:495:20
2110.56:495:20
2210.56:495:21
2310.66:495:22
2410.66:485:23
2510.66:485:24
2610.66:485:24
2710.66:475:25
2810.66:475:26
2910.76:475:27
3010.76:465:27
3110.76:465:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.57 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 — January's 3.57 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.8Moderate
Planning a trip in January

Hazard calendar for Trashigang

In seasonPeak

None of Trashigang's seasonal hazards are active in January. 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 January a good time to visit Trashigang?

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

4.0
Sightseeing
7th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Trashigang for sightseeing.

What to pack for Trashigang in January

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

In January, Trashigang sees daytime highs around 13°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Trashigang in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

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