Trongsa weather in January

In January, Trongsa sees average daytime highs of 4°C and overnight lows near -7°C, with 51 mm of precipitation across 12 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 25% 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 Trongsa's 1st-clearest and 4th-windiest month. For the whole year in context, see Trongsa's year-round climate.

Daytime high
12th warmest
Overnight low
-7°
1st coldest
Precipitation
51 mm
12 wet days
Daylight
10 h 24 min
6:54 AM – 5:20 PM
Cloud cover
56%
1st clearest
Wind
4 km/h
4th windiest
Solar energy
3.57 kWh/m²
Travel score
0.0
out of 10

Trongsa is city.

Founded
1644

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 4°C through the month.

A typical January day in Trongsa reaches about 4°C in the afternoon and slips back to -7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 8°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
15-7
25-7
35-7
45-7
55-7
65-7
75-7
84-7
94-7
104-7
114-7
124-7
134-7
144-7
154-7
164-7
174-7
184-7
194-7
204-7
214-7
224-7
234-7
244-7
254-7
264-7
274-7
284-7
295-7
305-7
315-7

How January really feels in Trongsa

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Trongsa weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°511211.510.50.0
Feb / -5°9316.914.5110.1
Mar / -2°18526.717.811.80.8
Apr11° / 19528.37.812.61.6
May14° / 28230.40.813.32.2
Jun16° / 517300.113.72.5
Jul16° / 11°70031013.62.6
Aug17° / 10°504310132.6
Sep16° / 36829.20.112.22.5
Oct13° / 15023.31.711.32.5
Nov10° / -1°5615.35.910.61.8
Dec / -4°3910.67.710.30.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of January, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55347
65347
75149
85149
95149
105050
115050
124951
134951
145050
155050
164951
174951
184852
194951
204852
214852
224852
234852
244753
254555
264555
274555
284555
294357
304357
314357

Chance of precipitation in January

Any precipitationSnow

Trongsa gets around 51 mm of rain and snow over 12 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 38% and peaks near 45% on the wettest days, and about 12 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
13329
23330
33430
43431
53431
63431
73532
83533
93533
103634
113634
123634
133735
143735
153736
163736
173836
183837
193937
203938
214039
224039
234140
244141
254241
264242
274342
284343
294443
304443
314544

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 6:52 AM to 6:50 AM, and sunset from 5:10 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.36:525:10
210.36:535:10
310.36:535:11
410.36:535:12
510.36:535:12
610.36:545:13
710.36:545:14
810.36:545:15
910.46:545:15
1010.46:545:16
1110.46:545:17
1210.46:545:17
1310.46:545:18
1410.46:545:19
1510.46:545:20
1610.46:545:20
1710.56:545:21
1810.56:545:22
1910.56:545:23
2010.56:545:23
2110.56:545:24
2210.56:535:25
2310.56:535:26
2410.66:535:27
2510.66:535:27
2610.66:525:28
2710.66:525:29
2810.66:525:30
2910.76:515:31
3010.76:515:31
3110.76:505:32

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 3.17 kWh/m² to a high of 5.2 kWh/m² in April across the year — January's 3.57 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in January

Hazard calendar for Trongsa

In seasonPeak

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

Trongsa's monsoon runs June–September, 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 Trongsa?

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

0.0
Sightseeing
12th-best month of the year
Beach & pool
never really warm enough

January is a weaker month for outdoor sightseeing in Trongsa.

What to pack for Trongsa in January

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

In January, Trongsa sees daytime highs around 4°C and nights near -7°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Trongsa 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 Trongsa peaks around July 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 12UV 15Jan 10UV 5
UV index (midday)Level
Jan5High
Feb7High
Mar11Extreme
Apr12Extreme
May14Extreme
Jun15Extreme
Jul15Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov7Very high
Dec5High
Location & terrain

Where is Trongsa?

Trongsa sits at 27.5°N, 90.5°E, 0 m above sea level, in Bhutan. The nearest listed city is Jakar, 25 km away.

JakarPunakhaTsirangMongarThimphuTrashigangParoSamdrup Jongkhar

Topography around Trongsa

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

Within 3 km, the terrain around Trongsa has very significant variations in elevation — a maximum elevation change of 1,567 m around an average of 2,399 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,264 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,311 m.

The land around Trongsa is covered by trees (81%) within 3 km, trees (92%) within 16 km, and trees (74%) within 80 km.

3 km
1,567 m
16 km
3,264 m
80 km
7,311 m
treesgrasslandartificial surfacesbare terrainsnow and icemoss and lichen
January weather nearby: Jakar 25 km · Punakha 63 km · Tsirang 66 km · Mongar 77 km · Thimphu 85 km · Trashigang 105 km · Paro 108 km · Samdrup Jongkhar 126 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 Trongsa (27.5026°, 90.5072°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).