Phổ Yên climate

Name: Phổ Yên
Address: VN

Phổ Yên is warmest in June, with average highs of 32 °C, and coldest in January, when nights average 13 °C. August is the wettest month (369 mm) and December the driest (38 mm). Figures are 1991–2020 climate normals.

Across a full year Phổ Yên averages 1,966 mm of rain and 244 days above 25 °C.

Vietnam · population 231,363 · 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 38 mm
Wettest month August 369 mm
Least cloud October 56 % cloud
Hottest on record May 38 °C
Coldest on record December 3.4 °C

What to expectPhổ Yên through the year

Phổ Yên 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, 244 days a year reach 25 °C, 132 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in May.

Rain is strongly seasonal. August averages 369 mm against 38 mm in December — 9.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.0 °C	55 mm	79 %
February	21.0 °C	45 mm	81 %
March	24.1 °C	77 mm	82 %
April	28.1 °C	105 mm	76 %
May	30.6 °C	253 mm	77 %
June	32.0 °C	303 mm	88 %
July	31.8 °C	336 mm	86 %
August	31.2 °C	369 mm	81 %
September	30.3 °C	226 mm	69 %
October	28.2 °C	103 mm	56 %
November	24.8 °C	56 mm	58 %
December	20.7 °C	38 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	19.0 °C	12.8 °C	15.9 °C	28.5 °C	4.6 °C	2	0
February	21.0 °C	14.5 °C	17.7 °C	33.4 °C	4.2 °C	7	1
March	24.1 °C	17.5 °C	20.6 °C	36.5 °C	8.4 °C	13	2
April	28.1 °C	21.2 °C	24.4 °C	37.1 °C	11.9 °C	24	10
May	30.6 °C	23.9 °C	26.9 °C	38.4 °C	16.1 °C	30	19
June	32.0 °C	25.5 °C	28.4 °C	37.9 °C	19.2 °C	30	25
July	31.8 °C	25.6 °C	28.3 °C	37.0 °C	22.3 °C	31	25
August	31.2 °C	25.1 °C	27.7 °C	36.4 °C	22.5 °C	31	23
September	30.3 °C	23.7 °C	26.6 °C	35.3 °C	17.0 °C	29	19
October	28.2 °C	21.0 °C	24.4 °C	33.8 °C	10.7 °C	27	7
November	24.8 °C	17.3 °C	21.0 °C	31.7 °C	7.6 °C	16	1
December	20.7 °C	13.3 °C	17.0 °C	29.5 °C	3.4 °C	4	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	55 mm	11	11 h/day	79 %	77 %	12 km/h
February	45 mm	11	11 h/day	81 %	79 %	12 km/h
March	77 mm	15	12 h/day	82 %	81 %	13 km/h
April	105 mm	13	13 h/day	76 %	82 %	13 km/h
May	253 mm	19	13 h/day	77 %	82 %	12 km/h
June	303 mm	21	13 h/day	88 %	84 %	11 km/h
July	336 mm	23	13 h/day	86 %	85 %	11 km/h
August	369 mm	24	13 h/day	81 %	87 %	10.0 km/h
September	226 mm	17	12 h/day	69 %	84 %	10 km/h
October	103 mm	10	12 h/day	56 %	78 %	11 km/h
November	56 mm	7	11 h/day	58 %	76 %	12 km/h
December	38 mm	7	11 h/day	65 %	73 %	12 km/h

How Phổ Yên 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
Phổ Yên	32 °C	13 °C	1,966 mm	244
Thái Nguyên · Vietnam	32 °C	13 °C	2,110 mm	240
Phúc Yên · Vietnam	32 °C	13 °C	1,873 mm	247
Bắc Ninh · Vietnam	32 °C	13 °C	1,878 mm	252
Thị Trấn Đại Từ · Vietnam	32 °C	14 °C	2,031 mm	247
Bắc Giang · Vietnam	32 °C	13 °C	1,873 mm	248
Long Bien · Vietnam	32 °C	13 °C	1,824 mm	251

Planning a trip? See the best time to visit Phổ Yên.

QuestionsCommon questions about Phổ Yên’s climate

When is the best time to visit Phổ Yên?

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 Phổ Yên get?

In June, the warmest month, daily highs average 32 °C. About 132 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °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 Phổ Yên?

August, averaging 369 mm over 24 days with rain. The driest month is December with 38 mm. The year as a whole averages 1,966 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 Phổ Yên 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
Data point: 21.420°, 105.890° (the coordinates the reanalysis values are taken for)
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.