Rizhao climate

Name: Rizhao
Address: CN

Rizhao is warmest in August, with average highs of 28 °C, and coldest in January, when nights average -2.5 °C. July is the wettest month (190 mm) and January the driest (15 mm). Figures are 1991–2020 climate normals.

Across a full year Rizhao averages 824 mm of rain, 85 days above 25 °C and 66 days below freezing.

China · population 661,943 · 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 August 28 °C
Coldest month January -2.5 °C
Driest month January 15 mm
Wettest month July 190 mm
Least cloud December 41 % cloud
Hottest on record July 37 °C
Coldest on record January -14 °C
Warmest sea August 26 °C

What to expectRizhao through the year

Rizhao has a clear annual cycle: average daily highs run from 4.0 °C in January to 28 °C in August, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 85 days a year reach 25 °C, 10 of them reach 30 °C, 66 nights drop below freezing. The warmest reading in the 1991–2020 record is 37 °C, in July.

Rain is strongly seasonal. July averages 190 mm against 15 mm in January — 13 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Rizhao is warmest in August at 26 °C and coldest in February at 4.7 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	4.0 °C	15 mm	46 %
February	5.9 °C	22 mm	50 %
March	10.2 °C	30 mm	52 %
April	15.9 °C	43 mm	53 %
May	21.1 °C	74 mm	58 %
June	24.6 °C	85 mm	61 %
July	27.6 °C	190 mm	66 %
August	27.8 °C	186 mm	61 %
September	24.6 °C	88 mm	52 %
October	19.6 °C	38 mm	46 %
November	12.6 °C	36 mm	44 %
December	6.1 °C	18 mm	41 %

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	4.0 °C	-2.5 °C	0.7 °C	12.3 °C	-14.5 °C	0	0	25
February	5.9 °C	-0.9 °C	2.4 °C	18.7 °C	-8.5 °C	0	0	18
March	10.2 °C	3.1 °C	6.5 °C	24.7 °C	-5.1 °C	0	0	5
April	15.9 °C	9.0 °C	12.2 °C	29.2 °C	-1.0 °C	0	0	0
May	21.1 °C	14.7 °C	17.7 °C	33.7 °C	7.1 °C	4	0	0
June	24.6 °C	19.4 °C	21.8 °C	32.2 °C	13.0 °C	12	1	0
July	27.6 °C	23.5 °C	25.4 °C	36.5 °C	17.7 °C	27	5	0
August	27.8 °C	23.5 °C	25.6 °C	32.9 °C	16.1 °C	29	4	0
September	24.6 °C	19.3 °C	21.9 °C	32.3 °C	12.4 °C	13	0	0
October	19.6 °C	13.5 °C	16.5 °C	27.1 °C	2.0 °C	1	0	0
November	12.6 °C	6.4 °C	9.6 °C	22.6 °C	-7.7 °C	0	0	1
December	6.1 °C	-0.1 °C	3.1 °C	15.5 °C	-10.6 °C	0	0	16

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	15 mm	3	10 h/day	46 %	63 %	19 km/h	6.1 °C
February	22 mm	3	11 h/day	50 %	67 %	19 km/h	4.7 °C
March	30 mm	5	12 h/day	52 %	69 %	20 km/h	5.9 °C
April	43 mm	6	13 h/day	53 %	70 %	21 km/h	9.4 °C
May	74 mm	7	14 h/day	58 %	73 %	19 km/h	14.6 °C
June	85 mm	7	15 h/day	61 %	81 %	18 km/h	19.8 °C
July	190 mm	13	14 h/day	66 %	86 %	17 km/h	24.4 °C
August	186 mm	14	14 h/day	61 %	84 %	17 km/h	26.3 °C
September	88 mm	7	12 h/day	52 %	75 %	17 km/h	24.7 °C
October	38 mm	4	11 h/day	46 %	68 %	19 km/h	21.0 °C
November	36 mm	4	10 h/day	44 %	67 %	20 km/h	15.9 °C
December	18 mm	3	9.8 h/day	41 %	64 %	20 km/h	10.3 °C

How Rizhao 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
Rizhao	28 °C	-2.5 °C	824 mm	85
Zhu Cheng City · China	30 °C	-5.1 °C	727 mm	129
Lianyungang · China	30 °C	-2.9 °C	931 mm	128
Qingdao · China	27 °C	-1.9 °C	722 mm	65
Gaomi · China	31 °C	-5.3 °C	688 mm	133
Linyi · China	30 °C	-4.7 °C	857 mm	133

Where Rizhao ranks

Ranking	Position	Value
Best beach destinations in Asia in September	37thof 50	87/100

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

QuestionsCommon questions about Rizhao’s climate

When is the best time to visit Rizhao?

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

How hot does Rizhao get?

In August, the warmest month, daily highs average 28 °C. About 10 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average -2.5 °C in January, the coldest month. A normal year has 66 nights below freezing.

Which month is wettest in Rizhao?

July, averaging 190 mm over 13 days with rain. The driest month is January with 15 mm. The year as a whole averages 824 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 Rizhao 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.