Wanning climate

Name: Wanning
Address: CN

Wanning is warmest in June, with average highs of 30 °C, and coldest in January, when nights average 18 °C. September is the wettest month (265 mm) and February the driest (34 mm). Figures are 1991–2020 climate normals.

Across a full year Wanning averages 1,603 mm of rain and 258 days above 25 °C.

China · population 545,992 · 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 30 °C
Coldest month January 18 °C
Driest month February 34 mm
Wettest month September 265 mm
Least cloud April 62 % cloud
Hottest on record May 35 °C
Coldest on record February 9.0 °C
Warmest sea September 29 °C

What to expectWanning through the year

Wanning has a clear annual cycle: average daily highs run from 22 °C in January to 30 °C in June, a swing of 8.5 °C in mean temperature across the year.

Counted across a normal year, 258 days a year reach 25 °C, 78 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in May.

Rain is strongly seasonal. September averages 265 mm against 34 mm in February — 7.9 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Wanning is warmest in September at 29 °C and coldest in February at 23 °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	22.0 °C	34 mm	68 %
February	23.1 °C	34 mm	67 %
March	25.3 °C	48 mm	64 %
April	27.7 °C	88 mm	62 %
May	29.7 °C	139 mm	73 %
June	30.4 °C	160 mm	82 %
July	30.2 °C	193 mm	76 %
August	30.1 °C	216 mm	77 %
September	29.2 °C	265 mm	73 %
October	27.4 °C	252 mm	64 %
November	25.4 °C	111 mm	65 %
December	22.7 °C	62 mm	69 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.0 °C	18.1 °C	20.0 °C	27.5 °C	9.7 °C	2	0
February	23.1 °C	19.1 °C	20.9 °C	28.2 °C	9.0 °C	6	0
March	25.3 °C	21.5 °C	23.2 °C	30.0 °C	13.6 °C	19	0
April	27.7 °C	24.1 °C	25.6 °C	31.4 °C	16.4 °C	27	1
May	29.7 °C	26.0 °C	27.6 °C	34.8 °C	20.6 °C	31	13
June	30.4 °C	27.0 °C	28.5 °C	34.5 °C	23.8 °C	30	19
July	30.2 °C	26.7 °C	28.2 °C	34.2 °C	23.7 °C	31	18
August	30.1 °C	26.4 °C	28.0 °C	34.2 °C	23.6 °C	31	17
September	29.2 °C	25.5 °C	27.1 °C	33.1 °C	21.1 °C	30	9
October	27.4 °C	23.9 °C	25.4 °C	31.1 °C	18.8 °C	29	1
November	25.4 °C	22.0 °C	23.5 °C	29.3 °C	14.7 °C	18	0
December	22.7 °C	19.2 °C	20.8 °C	27.7 °C	11.1 °C	4	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	34 mm	8	11 h/day	68 %	82 %	17 km/h	23.0 °C
February	34 mm	8	12 h/day	67 %	85 %	16 km/h	22.8 °C
March	48 mm	11	12 h/day	64 %	86 %	16 km/h	23.8 °C
April	88 mm	13	13 h/day	62 %	86 %	16 km/h	26.0 °C
May	139 mm	18	13 h/day	73 %	85 %	15 km/h	28.0 °C
June	160 mm	19	13 h/day	82 %	84 %	16 km/h	28.5 °C
July	193 mm	19	13 h/day	76 %	84 %	16 km/h	28.4 °C
August	216 mm	22	13 h/day	77 %	84 %	14 km/h	28.5 °C
September	265 mm	23	12 h/day	73 %	85 %	14 km/h	28.6 °C
October	252 mm	19	12 h/day	64 %	83 %	17 km/h	27.5 °C
November	111 mm	13	11 h/day	65 %	82 %	19 km/h	26.0 °C
December	62 mm	9	11 h/day	69 %	80 %	19 km/h	24.5 °C

How Wanning 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
Wanning	30 °C	18 °C	1,603 mm	258
Qionghai · China	31 °C	17 °C	1,469 mm	268
Wenchang · China	31 °C	17 °C	1,472 mm	275
Sanya · China	30 °C	18 °C	1,456 mm	310
Nada · China	32 °C	15 °C	1,390 mm	287
Haikou · China	31 °C	17 °C	1,353 mm	250
Basuo · China	31 °C	17 °C	1,434 mm	299

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

QuestionsCommon questions about Wanning’s climate

When is the best time to visit Wanning?

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

How hot does Wanning get?

In June, the warmest month, daily highs average 30 °C. About 78 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 18 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Wanning?

September, averaging 265 mm over 23 days with rain. The driest month is February with 34 mm. The year as a whole averages 1,603 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 Wanning 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.