Thái Nguyên weather in December

In December, Thái Nguyên sees average daytime highs of 21°C and overnight lows near 15°C, with 41 mm of rain across 8.1 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Thái Nguyên's 3rd-clearest and 9th-windiest month. For the whole year in context, see Thái Nguyên's year-round climate.

Daytime high
21°
10th warmest
Overnight low
15°
2nd coldest
Rainfall
41 mm
8.1 wet days
Daylight
10 h 42 min
6:32 AM – 5:13 PM
Cloud cover
63%
3rd clearest
Wind
6 km/h
9th windiest
Solar energy
2.55 kWh/m²
Travel score
6.7
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical December day in Thái Nguyên reaches about 21°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12316
22316
32316
42316
52216
62216
72216
82215
92215
102215
112215
122215
132115
142115
152115
162115
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292014
302014
312014

How December really feels in Thái Nguyên

Once humidity and wind are folded in, December 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

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34159
44060
54060
63961
73961
83862
93961
103961
113961
123961
134060
144060
154060
164159
174258
184258
194357
204258
214357
224258
234258
244159
254159
264060
273961
283763
293565
303367
313268

Chance of precipitation in December

Any precipitation

Thái Nguyên gets around 41 mm of rain over 8.1 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
426
526
626
727
827
927
1027
1127
1227
1327
1427
1527
1626
1726
1826
1926
2026
2126
2226
2326
2426
2526
2627
2727
2828
2929
3029
3130

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1302424167
2312423157
3322523146
4342522146
5352522135
6362621125
7372620124
8392620124
9402619113
10412618113
11432618112
12442517112
13452517112
14462417121
15472317121
16482317121
17492216121
18502216111
19502217111
20502217101
21502217101
2251221791
2352211890
2452211890
2552211980
2651212080
2751212080
2850212180
2949212190
3049212190
31482022100

Wind in December

Winds average 6 km/h in December.

Across December, 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
16calm
26calm
36calm
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
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:23 AM to 6:39 AM, and sunset from 5:10 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:235:10
210.86:245:10
310.86:245:10
410.86:255:10
510.76:265:10
610.76:265:10
710.76:275:11
810.76:275:11
910.76:285:11
1010.76:295:11
1110.76:295:12
1210.76:305:12
1310.76:305:12
1410.76:315:13
1510.76:325:13
1610.76:325:13
1710.76:335:14
1810.76:335:14
1910.76:345:15
2010.76:345:15
2110.76:355:16
2210.76:355:16
2310.76:365:17
2410.76:365:17
2510.76:365:18
2610.76:375:18
2710.76:375:19
2810.76:385:19
2910.76:385:20
3010.76:385:20
3110.76:395:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.55 kWh/m².

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 — December's 2.55 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Thái Nguyên

In seasonPeak

None of Thái Nguyên's seasonal hazards are active in December. 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 December a good time to visit Thái Nguyên?

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

6.7
Sightseeing
2nd-best month of the year
4.4
Beach & pool
7th-best month of the year

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

What to pack for Thái Nguyên in December

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

In December, Thái Nguyên sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Thái Nguyên in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 December

GoodModeratePoorUnhealthyVery unhealthy

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