Wuwei climate

Name: Wuwei
Address: CN

Wuwei is warmest in July, with average highs of 28 °C, and coldest in January, when nights average -12 °C. August is the wettest month (44 mm) and December the driest (1.3 mm). Figures are 1991–2020 climate normals.

Across a full year Wuwei averages 204 mm of rain, 86 days above 25 °C and 163 days below freezing.

China · population 1,010,295 · 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 July 28 °C
Coldest month January -12 °C
Driest month December 1 mm
Wettest month August 44 mm
Least cloud November 29 % cloud
Hottest on record July 39 °C
Coldest on record December -30 °C

What to expectWuwei through the year

Wuwei has a clear annual cycle: average daily highs run from -0.4 °C in January to 28 °C in July, a swing of 29 °C in mean temperature across the year.

Counted across a normal year, 86 days a year reach 25 °C, 27 of them reach 30 °C, 163 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in July.

Rain is strongly seasonal. August averages 44 mm against 1 mm in December — 33 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-0.4 °C	2 mm	37 %
February	3.7 °C	2 mm	44 %
March	10.1 °C	6 mm	49 %
April	17.5 °C	9 mm	52 %
May	22.6 °C	18 mm	57 %
June	26.8 °C	25 mm	58 %
July	28.4 °C	44 mm	50 %
August	26.7 °C	44 mm	49 %
September	21.4 °C	37 mm	51 %
October	15.0 °C	14 mm	40 %
November	7.6 °C	3 mm	29 %
December	1.2 °C	1 mm	31 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	-0.4 °C	-11.8 °C	-6.2 °C	16.7 °C	-26.4 °C	0	0	31
February	3.7 °C	-8.2 °C	-2.3 °C	18.4 °C	-22.9 °C	0	0	28
March	10.1 °C	-3.5 °C	3.4 °C	25.9 °C	-18.9 °C	0	0	28
April	17.5 °C	2.3 °C	10.3 °C	31.2 °C	-11.8 °C	2	0	8
May	22.6 °C	8.1 °C	15.8 °C	35.2 °C	-3.3 °C	10	1	0
June	26.8 °C	13.2 °C	20.6 °C	35.9 °C	2.9 °C	21	6	0
July	28.4 °C	15.7 °C	22.5 °C	39.1 °C	8.0 °C	25	11	0
August	26.7 °C	14.6 °C	20.9 °C	37.7 °C	5.5 °C	21	7	0
September	21.4 °C	9.6 °C	15.7 °C	34.2 °C	-1.2 °C	6	1	0
October	15.0 °C	2.1 °C	8.7 °C	29.8 °C	-13.0 °C	0	0	8
November	7.6 °C	-4.4 °C	1.2 °C	20.0 °C	-22.4 °C	0	0	28
December	1.2 °C	-9.6 °C	-4.6 °C	14.9 °C	-29.9 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	2 mm	1	9.8 h/day	37 %	44 %	11 km/h
February	2 mm	1	11 h/day	44 %	40 %	13 km/h
March	6 mm	2	12 h/day	49 %	38 %	15 km/h
April	9 mm	2	13 h/day	52 %	35 %	17 km/h
May	18 mm	4	14 h/day	57 %	37 %	18 km/h
June	25 mm	5	15 h/day	58 %	41 %	17 km/h
July	44 mm	7	15 h/day	50 %	49 %	16 km/h
August	44 mm	7	14 h/day	49 %	54 %	15 km/h
September	37 mm	8	12 h/day	51 %	57 %	14 km/h
October	14 mm	4	11 h/day	40 %	51 %	13 km/h
November	3 mm	1	10 h/day	29 %	43 %	12 km/h
December	1 mm	0	9.6 h/day	31 %	42 %	11 km/h

How Wuwei 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
Wuwei	28 °C	-12 °C	204 mm	86
Jinchang · China	29 °C	-13 °C	181 mm	93
Nianbo · China	25 °C	-14 °C	523 mm	39
Xining · China	23 °C	-13 °C	485 mm	23
Baiyin · China	28 °C	-12 °C	325 mm	74
Zhangye · China	29 °C	-14 °C	166 mm	91
Lanzhou · China	29 °C	-8.7 °C	441 mm	98

Where Wuwei ranks

Ranking	Position	Value
Places with the best weather in Asia in August	13thof 50	89/100
The driest places in Asia in December	23rdof 50	1.3 mm
Places with the best weather in Asia in July	25thof 50	85/100
The driest places in Asia in November	31stof 50	2.7 mm
Places with the best weather in Asia in June	34thof 50	90/100
The driest places in Asia in January	48thof 50	1.8 mm

Planning a trip? See the best time to visit Wuwei.

QuestionsCommon questions about Wuwei’s climate

When is the best time to visit Wuwei?

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

How hot does Wuwei get?

In July, the warmest month, daily highs average 28 °C. About 27 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 -12 °C in January, the coldest month. A normal year has 163 nights below freezing.

Which month is wettest in Wuwei?

August, averaging 44 mm over 7 days with rain. The driest month is December with 1 mm. The year as a whole averages 204 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 Wuwei 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.