Kwai Chung climate

Name: Kwai Chung
Address: HK

Kwai Chung is warmest in July, with average highs of 30 °C, and coldest in January, when nights average 12 °C. June is the wettest month (328 mm) and January the driest (24 mm). Figures are 1991–2020 climate normals.

Across a full year Kwai Chung averages 1,728 mm of rain and 222 days above 25 °C.

Hong Kong · population 331,600 · 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 30 °C
Coldest month January 12 °C
Driest month January 24 mm
Wettest month June 328 mm
Least cloud October 44 % cloud
Hottest on record July 35 °C
Coldest on record January 2.1 °C
Warmest sea July 29 °C

What to expectKwai Chung through the year

Kwai Chung has a clear annual cycle: average daily highs run from 19 °C in January to 30 °C in July, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 222 days a year reach 25 °C, 60 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in July.

Rain is strongly seasonal. June averages 328 mm against 24 mm in January — 14 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Kwai Chung is warmest in July at 29 °C and coldest in January at 20 °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	18.9 °C	24 mm	54 %
February	20.2 °C	34 mm	67 %
March	22.9 °C	72 mm	72 %
April	25.8 °C	127 mm	73 %
May	28.1 °C	230 mm	77 %
June	29.4 °C	328 mm	84 %
July	30.1 °C	247 mm	75 %
August	30.1 °C	325 mm	73 %
September	29.3 °C	212 mm	60 %
October	27.3 °C	67 mm	44 %
November	24.2 °C	35 mm	45 %
December	20.1 °C	29 mm	48 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	18.9 °C	12.5 °C	15.6 °C	26.4 °C	2.1 °C	0	0
February	20.2 °C	14.2 °C	17.0 °C	27.8 °C	3.6 °C	2	0
March	22.9 °C	17.2 °C	19.7 °C	29.7 °C	6.8 °C	8	0
April	25.8 °C	20.7 °C	22.9 °C	31.5 °C	11.3 °C	20	0
May	28.1 °C	23.7 °C	25.6 °C	32.5 °C	17.5 °C	29	4
June	29.4 °C	25.6 °C	27.2 °C	35.0 °C	19.8 °C	30	10
July	30.1 °C	26.0 °C	27.8 °C	35.1 °C	22.2 °C	31	16
August	30.1 °C	25.8 °C	27.6 °C	34.4 °C	23.3 °C	31	17
September	29.3 °C	24.7 °C	26.7 °C	34.0 °C	17.8 °C	30	10
October	27.3 °C	21.9 °C	24.3 °C	32.6 °C	13.9 °C	28	1
November	24.2 °C	18.2 °C	20.9 °C	30.7 °C	7.8 °C	12	0
December	20.1 °C	13.6 °C	16.7 °C	27.6 °C	2.6 °C	1	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	24 mm	4	11 h/day	54 %	71 %	17 km/h	19.6 °C
February	34 mm	6	11 h/day	67 %	76 %	17 km/h	19.7 °C
March	72 mm	10	12 h/day	72 %	81 %	18 km/h	20.8 °C
April	127 mm	14	13 h/day	73 %	84 %	17 km/h	22.9 °C
May	230 mm	20	13 h/day	77 %	86 %	16 km/h	25.8 °C
June	328 mm	23	14 h/day	84 %	88 %	17 km/h	27.9 °C
July	247 mm	23	13 h/day	75 %	87 %	17 km/h	28.6 °C
August	325 mm	24	13 h/day	73 %	87 %	15 km/h	28.6 °C
September	212 mm	17	12 h/day	60 %	83 %	15 km/h	28.2 °C
October	67 mm	7	12 h/day	44 %	74 %	16 km/h	26.5 °C
November	35 mm	5	11 h/day	45 %	71 %	17 km/h	23.6 °C
December	29 mm	4	11 h/day	48 %	67 %	17 km/h	20.8 °C

How Kwai Chung 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
Kwai Chung	30 °C	12 °C	1,728 mm	222
Tsuen Wan · Hong Kong	30 °C	13 °C	1,757 mm	229
Sha Tin · Hong Kong	29 °C	12 °C	1,749 mm	203
Wong Tai Sin · Hong Kong	28 °C	11 °C	1,750 mm	173
Tai Po · Hong Kong	31 °C	12 °C	1,739 mm	229
Hong Kong · Hong Kong	30 °C	13 °C	1,750 mm	213
Ma On Shan · Hong Kong	29 °C	12 °C	1,749 mm	191

Where Kwai Chung ranks

Ranking	Position	Value
Best beach destinations in Asia in October	24thof 50	92/100

Planning a trip? See the best time to visit Kwai Chung.

QuestionsCommon questions about Kwai Chung’s climate

When is the best time to visit Kwai Chung?

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 Kwai Chung get?

In July, the warmest month, daily highs average 30 °C. About 60 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 12 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Kwai Chung?

June, averaging 328 mm over 23 days with rain. The driest month is January with 24 mm. The year as a whole averages 1,728 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 Kwai Chung 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.