Huainan climate

Name: Huainan
Address: CN

Huainan is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -1.9 °C. July is the wettest month (201 mm) and December the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Huainan averages 982 mm of rain, 142 days above 25 °C and 53 days below freezing.

China · population 1,666,826 · 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 31 °C
Coldest month January -1.9 °C
Driest month December 25 mm
Wettest month July 201 mm
Least cloud December 48 % cloud
Hottest on record July 39 °C
Coldest on record December -14 °C

What to expectHuainan through the year

Huainan has a clear annual cycle: average daily highs run from 7.1 °C in January to 31 °C in July, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 142 days a year reach 25 °C, 65 of them reach 30 °C, 53 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in July.

Rain is strongly seasonal. July averages 201 mm against 25 mm in December — 8.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	7.1 °C	34 mm	54 %
February	9.9 °C	38 mm	60 %
March	14.9 °C	60 mm	64 %
April	21.2 °C	61 mm	62 %
May	26.3 °C	90 mm	65 %
June	29.5 °C	148 mm	67 %
July	31.4 °C	201 mm	68 %
August	30.4 °C	154 mm	61 %
September	26.7 °C	77 mm	56 %
October	21.9 °C	50 mm	52 %
November	15.5 °C	43 mm	50 %
December	9.2 °C	25 mm	48 %

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	7.1 °C	-1.9 °C	2.5 °C	22.6 °C	-14.2 °C	0	0	22
February	9.9 °C	0.6 °C	5.3 °C	25.0 °C	-14.3 °C	0	0	13
March	14.9 °C	5.3 °C	10.0 °C	28.7 °C	-5.1 °C	1	0	2
April	21.2 °C	11.5 °C	16.2 °C	36.3 °C	0.9 °C	6	1	0
May	26.3 °C	17.0 °C	21.5 °C	36.5 °C	7.3 °C	20	6	0
June	29.5 °C	21.3 °C	25.2 °C	38.1 °C	14.6 °C	27	14	0
July	31.4 °C	24.8 °C	27.8 °C	39.3 °C	16.3 °C	30	21	0
August	30.4 °C	24.0 °C	26.9 °C	38.1 °C	16.2 °C	29	18	0
September	26.7 °C	19.2 °C	22.7 °C	36.5 °C	10.4 °C	22	4	0
October	21.9 °C	13.2 °C	17.3 °C	31.8 °C	3.7 °C	6	0	0
November	15.5 °C	6.5 °C	10.8 °C	27.2 °C	-8.2 °C	1	0	2
December	9.2 °C	0.2 °C	4.6 °C	21.2 °C	-14.5 °C	0	0	15

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	34 mm	5	10 h/day	54 %	70 %	14 km/h
February	38 mm	6	11 h/day	60 %	70 %	15 km/h
March	60 mm	7	12 h/day	64 %	70 %	16 km/h
April	61 mm	7	13 h/day	62 %	69 %	17 km/h
May	90 mm	9	14 h/day	65 %	69 %	16 km/h
June	148 mm	9	14 h/day	67 %	73 %	15 km/h
July	201 mm	15	14 h/day	68 %	80 %	14 km/h
August	154 mm	14	13 h/day	61 %	81 %	14 km/h
September	77 mm	8	12 h/day	56 %	76 %	14 km/h
October	50 mm	6	11 h/day	52 %	70 %	14 km/h
November	43 mm	6	10 h/day	50 %	71 %	14 km/h
December	25 mm	5	10 h/day	48 %	70 %	14 km/h

How Huainan 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
Huainan	31 °C	-1.9 °C	982 mm	142
Bengbu · China	31 °C	-2.3 °C	997 mm	142
Hefei · China	32 °C	-1.1 °C	1,113 mm	146
Lu’an · China	32 °C	-1.7 °C	1,085 mm	145
Suzhou · China	31 °C	-3.1 °C	933 mm	145
Fuyang · China	32 °C	-2.5 °C	986 mm	148
Chuzhou · China	31 °C	-1.7 °C	1,177 mm	139

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

QuestionsCommon questions about Huainan’s climate

When is the best time to visit Huainan?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, September, October 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 Huainan get?

In July, the warmest month, daily highs average 31 °C. About 65 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 -1.9 °C in January, the coldest month. A normal year has 53 nights below freezing.

Which month is wettest in Huainan?

July, averaging 201 mm over 15 days with rain. The driest month is December with 25 mm. The year as a whole averages 982 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 Huainan 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: 32.626°, 116.997° (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.