Kwai Chung weather in July

In July, Kwai Chung has daytime highs averaging 30 °C, nights around 26 °C, with 23 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 16°
  2. Feb 17°
  3. Mar 20°
  4. Apr 23°
  5. May 26°
  6. Jun 27°
  7. Jul 28°
  8. Aug 28°
  9. Sep 27°
  10. Oct 24°
  11. Nov 21°
  12. Dec 17°

Daily temperatures through July

23°28°33°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 30.5 °C and lows bottom out at 25.8 °C.

How July develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 July30.1 °C26.1 °C78 %
11–20 July30.1 °C26.1 °C75 %
21–31 July30.1 °C26.0 °C74 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 6, at 90 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical July Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 16 of 31 53 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 23 of 31 75 %

Conditions in July

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 35 °C
Record low (1991–2020) 22 °C
Relative humidity 87 %
Wind speed 17 km/h
Cloud cover 75 %

July compared with the months around it

Month Avg high Rainfall Cloud
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 %

See all twelve months for Kwai Chung

Nearby destinations in July

Destination Avg high Wet days Sea
Kwai Chung 30 °C 23 29
Tsuen Wan 30 °C 22 29
Sha Tin 29 °C 23 29
Wong Tai Sin 28 °C 23 29
Tai Po 31 °C 23 29
Hong Kong 30 °C 23 29
Ma On Shan 29 °C 23 29

QuestionsJuly in Kwai Chung, answered

How warm is Kwai Chung in July?

Daily highs average 30 °C and nights fall to about 26 °C, a spread of 4.1 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.

Does it rain much in Kwai Chung in July?

July averages 247 mm of rain, spread over about 23 of the 31 days — 75 % of the month. Cloud cover averages 75 % of the sky.

Is the sea warm enough to swim in July?

The sea averages 29 °C off Kwai Chung in July. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in July?

Kwai Chung averages 13 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. 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.