Jieyang climate

Name: Jieyang
Address: CN

Jieyang is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 10 °C. August is the wettest month (275 mm) and January the driest (32 mm). Figures are 1991–2020 climate normals.

Across a full year Jieyang averages 1,519 mm of rain, 234 days above 25 °C and 0 days below freezing.

China · population 1,899,394 · 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 10 °C
Driest month January 32 mm
Wettest month August 275 mm
Least cloud December 47 % cloud
Hottest on record July 40 °C
Coldest on record December -1.0 °C

What to expectJieyang through the year

Jieyang has a clear annual cycle: average daily highs run from 19 °C in January to 31 °C in July, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 234 days a year reach 25 °C, 104 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in July.

Rain is strongly seasonal. August averages 275 mm against 32 mm in January — 8.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.4 °C	32 mm	52 %
February	20.4 °C	45 mm	66 %
March	23.2 °C	71 mm	71 %
April	26.5 °C	119 mm	75 %
May	28.8 °C	202 mm	79 %
June	30.2 °C	258 mm	86 %
July	31.4 °C	220 mm	76 %
August	31.2 °C	275 mm	74 %
September	30.1 °C	171 mm	63 %
October	28.2 °C	47 mm	48 %
November	25.2 °C	44 mm	48 %
December	20.8 °C	36 mm	47 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	19.4 °C	10.0 °C	14.3 °C	29.4 °C	-0.7 °C	2	0
February	20.4 °C	11.8 °C	15.6 °C	31.0 °C	1.9 °C	5	0
March	23.2 °C	14.8 °C	18.4 °C	33.8 °C	3.9 °C	10	1
April	26.5 °C	18.7 °C	22.0 °C	35.1 °C	9.2 °C	20	5
May	28.8 °C	22.1 °C	24.9 °C	39.7 °C	15.3 °C	28	10
June	30.2 °C	24.6 °C	26.9 °C	38.4 °C	17.7 °C	29	18
July	31.4 °C	25.2 °C	27.9 °C	39.8 °C	21.9 °C	31	23
August	31.2 °C	25.0 °C	27.6 °C	36.2 °C	22.1 °C	31	23
September	30.1 °C	23.5 °C	26.4 °C	36.8 °C	17.7 °C	30	17
October	28.2 °C	19.9 °C	23.7 °C	34.1 °C	9.4 °C	29	6
November	25.2 °C	16.0 °C	20.1 °C	32.8 °C	4.4 °C	17	1
December	20.8 °C	11.2 °C	15.6 °C	29.2 °C	-1.0 °C	3	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	32 mm	5	11 h/day	52 %	72 %	12 km/h
February	45 mm	7	11 h/day	66 %	75 %	12 km/h
March	71 mm	11	12 h/day	71 %	77 %	13 km/h
April	119 mm	12	13 h/day	75 %	79 %	13 km/h
May	202 mm	19	13 h/day	79 %	83 %	13 km/h
June	258 mm	22	14 h/day	86 %	86 %	14 km/h
July	220 mm	21	13 h/day	76 %	85 %	13 km/h
August	275 mm	23	13 h/day	74 %	86 %	12 km/h
September	171 mm	15	12 h/day	63 %	83 %	12 km/h
October	47 mm	5	12 h/day	48 %	75 %	12 km/h
November	44 mm	5	11 h/day	48 %	73 %	12 km/h
December	36 mm	4	11 h/day	47 %	71 %	12 km/h

How Jieyang 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
Jieyang	31 °C	10 °C	1,519 mm	234
Chaozhou · China	31 °C	9.4 °C	1,699 mm	225
Puning · China	31 °C	10 °C	1,568 mm	231
Shantou · China	30 °C	12 °C	1,507 mm	200
Huanggang · China	30 °C	11 °C	1,602 mm	214
Meizhou · China	32 °C	8.2 °C	1,492 mm	232
Xingning · China	32 °C	8.0 °C	1,555 mm	225

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

QuestionsCommon questions about Jieyang’s climate

When is the best time to visit Jieyang?

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

How hot does Jieyang get?

In July, the warmest month, daily highs average 31 °C. About 104 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 10 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Jieyang?

August, averaging 275 mm over 23 days with rain. The driest month is January with 32 mm. The year as a whole averages 1,519 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 Jieyang 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: 23.542°, 116.366° (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.