Thái Nguyên weather in April

In April, Thái Nguyên sees average daytime highs of 28°C and overnight lows near 21°C, with 117 mm of rain across 14.8 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 30°C by the end. The sky is clear or mostly clear about 9% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 48 min by month's end. Set against the rest of the year, April is Thái Nguyên's 5th-clearest and 1st-windiest month. For the whole year in context, see Thái Nguyên's year-round climate.

Daytime high
28°
7th warmest
Overnight low
21°
6th coldest
Rainfall
117 mm
14.8 wet days
Daylight
12 h 30 min
5:42 AM – 6:12 PM
Cloud cover
76%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
3.77 kWh/m²
Travel score
5.0
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 30°C by the end.

A typical April day in Thái Nguyên reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, April runs about 4°C warmer than March and about 3°C cooler than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72720
82721
92721
102721
112721
122821
132821
142821
152821
162822
172822
182922
192922
202922
212922
222922
232922
242923
253023
263023
273023
283023
293023
303023

How April really feels in Thái Nguyên

Once humidity and wind are folded in, April averages 9 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
9
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Thái Nguyên weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21882
31882
41981
51981
61981
72080
82080
92179
102179
112278
122179
132278
142278
152377
162377
172278
182377
192377
202377
212377
222476
232575
242575
252575
262575
272575
282674
292674
302674

Chance of precipitation in April

Any precipitation

Thái Nguyên gets around 117 mm of rain over 14.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 54% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
152
251
351
451
550
649
749
848
948
1047
1147
1246
1346
1446
1546
1646
1747
1847
1948
2049
2149
2250
2351
2451
2551
2652
2752
2853
2953
3054

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16112129322
25102029332
35102028353
4491928364
5491927374
6491826385
7481825406
8381724417
9381723427
10381623428
11281622439
122715214411
132714204512
141714204513
151713194514
161612194616
171612194617
181611194618
191510194619
200510194620
21049194621
22049194622
23038194624
24037194625
25027184527
26026184529
27026184331
28016184233
29016184135
30015173937

Wind in April

Winds average 7 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over April. Sunrise moves from 5:56 AM to 5:31 AM, and sunset from 6:07 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:07
212.25:556:07
312.25:546:07
412.25:536:08
512.35:526:08
612.35:516:08
712.35:506:09
812.35:496:09
912.45:486:09
1012.45:476:10
1112.45:466:10
1212.45:456:10
1312.45:456:11
1412.55:446:11
1512.55:436:11
1612.55:426:12
1712.55:416:12
1812.55:406:12
1912.65:396:13
2012.65:396:13
2112.65:386:13
2212.65:376:14
2312.65:366:14
2412.75:356:15
2512.75:356:15
2612.75:346:15
2712.75:336:16
2812.75:326:16
2912.75:326:17
3012.85:316:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.77 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 — April's 3.77 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.3Moderate
73.4Moderate
83.4Moderate
93.5Moderate
103.5Moderate
113.6Moderate
123.6Moderate
133.7Moderate
143.7Moderate
153.8Moderate
163.8Moderate
173.9Moderate
183.9Moderate
194.0Moderate
204.0Bright
214.0Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.3Bright
304.4Bright
Planning a trip in April

Hazard calendar for Thái Nguyên

In seasonPeak

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

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

5.0
Sightseeing
7th-best month of the year
5.7
Beach & pool
3rd-best month of the year

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

What to pack for Thái Nguyên in April

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

In April, Thái Nguyên sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 15 days see rain.

light clothesrain gear

UV index in Thái Nguyên in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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