Thái Nguyên weather in January

In January, Thái Nguyên sees average daytime highs of 19°C and overnight lows near 14°C, with 59 mm of rain across 11.2 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of January to 11 hours by month's end. Set against the rest of the year, January is Thái Nguyên's 7th-clearest and 10th-windiest month. For the whole year in context, see Thái Nguyên's year-round climate.

Daytime high
19°
12th warmest
Overnight low
14°
1st coldest
Rainfall
59 mm
11.2 wet days
Daylight
10 h 48 min
6:41 AM – 5:30 PM
Cloud cover
78%
7th clearest
Wind
6 km/h
10th windiest
Solar energy
2.08 kWh/m²
Travel score
5.7
out of 10

Thái Nguyên is Capital of Thainguyen Province.

Density
189/km²
people per km²
Founded
1962

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 19°C through the month.

A typical January day in Thái Nguyên reaches about 19°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52014
62014
72014
82014
92014
102014
111914
121914
131914
141914
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251914
261914
271914
281914
291914
301914
311914

How January really feels in Thái Nguyên

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Thái Nguyên 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
Jan19° / 14°5911.210.85.7
Feb21° / 15°471111.35.8
Mar24° / 18°8214.911.85.7
Apr28° / 21°11714.812.55.0
May31° / 24°26819.7133.3
Jun33° / 26°34521.313.32.5
Jul32° / 26°35323.813.22.4
Aug32° / 26°38024.612.72.5
Sep31° / 25°2271912.13.4
Oct29° / 22°10712.211.55.3
Nov26° / 18°627.7117.0
Dec21° / 15°418.110.76.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32773
42674
52575
62476
72377
82278
92080
102080
112080
122080
131981
141981
151981
161981
171981
181882
191882
201882
211882
221882
231882
241981
251981
261981
271981
281981
291981
301981
312080

Chance of precipitation in January

Any precipitation

Thái Nguyên gets around 59 mm of rain over 11.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
332
433
534
635
735
836
937
1038
1138
1239
1339
1439
1539
1639
1739
1839
1938
2038
2137
2236
2336
2435
2535
2634
2734
2834
2933
3033
3133

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1482022100
2482021110
3481921120
4481821120
5481821130
6491720130
7491720140
8491720140
9501719140
10501818140
11511818130
12501918130
13511917130
14512017120
15512017120
16522017110
17522117100
18522117100
19522117100
2053211790
2154201790
2254201790
23532017100
24531918100
25531818101
26531818101
27531718111
28531718111
29541618111
30541618111
31531618121

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 42 min at the start of January to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:39 AM to 6:40 AM, and sunset from 5:21 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:395:21
210.76:395:21
310.76:395:22
410.76:405:23
510.76:405:23
610.76:405:24
710.76:405:25
810.76:405:25
910.86:415:26
1010.86:415:26
1110.86:415:27
1210.86:415:28
1310.86:415:28
1410.86:415:29
1510.86:415:30
1610.86:415:30
1710.86:415:31
1810.86:415:32
1910.86:415:32
2010.96:415:33
2110.96:415:34
2210.96:415:34
2310.96:415:35
2410.96:415:36
2510.96:415:36
2610.96:415:37
2711.06:415:38
2811.06:405:38
2911.06:405:39
3011.06:405:40
3111.06:405:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.08 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 4.68 kWh/m² in June across the year — January's 2.08 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.0Moderate
162.0Moderate
172.0Moderate
182.0Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in January

Hazard calendar for Thái Nguyên

In seasonPeak

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

Thái Nguyên's monsoon runs May–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 Thái Nguyên?

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

5.7
Sightseeing
4th-best month of the year
2.7
Beach & pool
12th-best month of the year

January is a reasonable time to visit Thái Nguyên for sightseeing.

What to pack for Thái Nguyên in January

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

In January, Thái Nguyên sees daytime highs around 19°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Thái Nguyên in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thái Nguyên peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJul 11UV 11Nov 23UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Thái Nguyên 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 Thái Nguyên is worst in December — around 102 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 37 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 20102 µg/m³Jul 1738 µg/m³
PM2.5 (µg/m³)Level
Jan98Unhealthy
Feb89Unhealthy
Mar86Unhealthy
Apr79Unhealthy
May57Unhealthy
Jun44Poor
Jul37Poor
Aug44Poor
Sep59Unhealthy
Oct76Unhealthy
Nov92Unhealthy
Dec102Unhealthy
Location & terrain

Where is Thái Nguyên?

Thái Nguyên sits at 21.6°N, 105.8°E, 36 m above sea level, in Vietnam. The nearest listed city is Thành phố Sông Công, 13 km away.

Topography around Thái Nguyên

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

Within 3 km, the terrain around Thái Nguyên has only modest variations in elevation — a maximum elevation change of 46 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 597 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,720 m.

The land around Thái Nguyên is covered by trees (39%) and artificial surfaces (39%) within 3 km, trees (76%) within 16 km, and trees (74%) within 80 km.

3 km
46 m
16 km
597 m
80 km
1,720 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Thành phố Sông Công 13 km · Phổ Yên 20 km · Thị Trấn Đại Từ 22 km · Sóc Sơn 37 km · Vĩnh Yên 41 km · Phúc Yên 42 km · Quang Minh 46 km · Việt Yên 47 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Thái Nguyên (21.5942°, 105.8482°, elevation 36 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).