Thái Nguyên climate

Name: Thái Nguyên
Address: VN

Thái Nguyên is warmest in June, with average highs of 32 °C, and coldest in January, when nights average 13 °C. August is the wettest month (378 mm) and December the driest (40 mm). Figures are 1991–2020 climate normals.

Across a full year Thái Nguyên averages 2,110 mm of rain and 240 days above 25 °C.

Vietnam · population 420,000 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month June 32 °C
Coldest month January 13 °C
Driest month December 40 mm
Wettest month August 378 mm
Least cloud October 58 % cloud
Hottest on record May 39 °C
Coldest on record December 3.4 °C

What to expectThái Nguyên through the year

Thái Nguyên has a clear annual cycle: average daily highs run from 19 °C in January to 32 °C in June, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 240 days a year reach 25 °C, 124 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in May.

Rain is strongly seasonal. August averages 378 mm against 40 mm in December — 9.4 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	18.7 °C	58 mm	79 %
February	20.6 °C	48 mm	82 %
March	23.7 °C	82 mm	83 %
April	27.9 °C	114 mm	78 %
May	30.4 °C	268 mm	79 %
June	31.6 °C	352 mm	89 %
July	31.5 °C	362 mm	87 %
August	31.1 °C	378 mm	82 %
September	30.2 °C	233 mm	71 %
October	28.2 °C	112 mm	58 %
November	24.7 °C	63 mm	59 %
December	20.5 °C	40 mm	65 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	18.7 °C	12.7 °C	15.7 °C	27.5 °C	4.6 °C	2	0
February	20.6 °C	14.3 °C	17.4 °C	32.9 °C	4.6 °C	6	0
March	23.7 °C	17.3 °C	20.4 °C	36.6 °C	8.4 °C	12	2
April	27.9 °C	21.0 °C	24.1 °C	37.4 °C	11.4 °C	23	9
May	30.4 °C	23.7 °C	26.6 °C	38.7 °C	15.9 °C	29	18
June	31.6 °C	25.2 °C	28.0 °C	38.1 °C	19.8 °C	30	23
July	31.5 °C	25.3 °C	27.9 °C	37.1 °C	22.8 °C	31	23
August	31.1 °C	24.9 °C	27.5 °C	36.1 °C	21.5 °C	31	22
September	30.2 °C	23.6 °C	26.5 °C	35.8 °C	16.9 °C	29	18
October	28.2 °C	20.9 °C	24.3 °C	34.2 °C	10.4 °C	27	7
November	24.7 °C	17.2 °C	20.9 °C	31.7 °C	7.9 °C	16	1
December	20.5 °C	13.2 °C	16.9 °C	28.9 °C	3.4 °C	3	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	58 mm	11	11 h/day	79 %	78 %	9.1 km/h
February	48 mm	11	11 h/day	82 %	80 %	9.9 km/h
March	82 mm	15	12 h/day	83 %	82 %	11 km/h
April	114 mm	14	13 h/day	78 %	83 %	11 km/h
May	268 mm	19	13 h/day	79 %	84 %	11 km/h
June	352 mm	22	13 h/day	89 %	86 %	10.0 km/h
July	362 mm	24	13 h/day	87 %	87 %	10 km/h
August	378 mm	24	13 h/day	82 %	89 %	9.2 km/h
September	233 mm	18	12 h/day	71 %	85 %	9.1 km/h
October	112 mm	12	12 h/day	58 %	79 %	9.6 km/h
November	63 mm	8	11 h/day	59 %	77 %	9.5 km/h
December	40 mm	8	11 h/day	65 %	74 %	9.3 km/h

How Thái Nguyên compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Thái Nguyên	32 °C	13 °C	2,110 mm	240
Phổ Yên · Vietnam	32 °C	13 °C	1,966 mm	244
Thị Trấn Đại Từ · Vietnam	32 °C	14 °C	2,031 mm	247
Phúc Yên · Vietnam	32 °C	13 °C	1,873 mm	247
Bắc Giang · Vietnam	32 °C	13 °C	1,873 mm	248
Bắc Ninh · Vietnam	32 °C	13 °C	1,878 mm	252
Việt Trì · Vietnam	32 °C	14 °C	1,629 mm	244

Planning a trip? See the best time to visit Thái Nguyên.

QuestionsCommon questions about Thái Nguyên’s climate

When is the best time to visit Thái Nguyên?

That depends on what you want, so the honest answer is a comparison rather than a single month. February, March, November sit closest to 20 °C on average, June is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Thái Nguyên get?

In June, the warmest month, daily highs average 32 °C. About 124 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average 13 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Thái Nguyên?

August, averaging 378 mm over 24 days with rain. The driest month is December with 40 mm. The year as a whole averages 2,110 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Thái Nguyên rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.