Cheung Chau weather in July

In July, Cheung Chau sees average daytime highs of 31°C and overnight lows near 27°C, with 247 mm of rain across 21.2 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 19% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Cheung Chau's 10th-clearest and 7th-windiest month. For the whole year in context, see Cheung Chau's year-round climate.

Daytime high
31°
1st warmest
Overnight low
27°
12th coldest
Rainfall
247 mm
21.2 wet days
Daylight
13 h 12 min
5:52 AM – 7:07 PM
Cloud cover
73%
10th clearest
Wind
15 km/h
7th windiest
Solar energy
5.67 kWh/m²
Travel score
3.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical July day in Cheung Chau reaches about 31°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, July runs about 1°C warmer than June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63127
73127
83127
93127
103127
113127
123127
133127
143127
153127
163127
173127
183127
193127
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How July really feels in Cheung Chau

Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cheung Chau weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°244.110.87.0
Feb20° / 15°346.411.26.5
Mar22° / 18°589.411.86.5
Apr25° / 21°10712.712.56.1
May28° / 25°20917.9134.7
Jun30° / 27°30222.513.33.4
Jul31° / 27°24721.213.23.4
Aug31° / 27°31222.712.83.3
Sep30° / 26°20416.612.14.3
Oct28° / 24°706.711.56.9
Nov24° / 20°344.710.98.0
Dec20° / 16°293.810.77.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32674
42674
52674
62674
72773
82773
92773
102773
112872
122773
132773
142773
152773
162872
172971
182971
192971
203169
213070
223169
233169
243268
253367
263466
273565
283565
293664
303565
313565

Chance of precipitation in July

Any precipitation

Cheung Chau gets around 247 mm of rain over 21.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 69% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
272
371
471
570
669
769
868
968
1068
1168
1268
1368
1468
1568
1668
1768
1868
1968
2068
2168
2268
2368
2468
2568
2668
2768
2868
2968
3068
3168

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the miserable band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1199
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Wind in July

Winds average 15 km/h in July.

Across July, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 18 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:47 AM to 5:59 AM, and sunset from 7:08 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:477:08
213.35:477:08
313.35:487:08
413.35:487:08
513.35:487:08
613.35:497:08
713.35:497:08
813.35:497:08
913.35:507:08
1013.35:507:07
1113.35:507:07
1213.35:517:07
1313.35:517:07
1413.35:527:07
1513.25:527:07
1613.25:527:07
1713.25:537:06
1813.25:537:06
1913.25:547:06
2013.25:547:06
2113.25:547:05
2213.25:557:05
2313.25:557:05
2413.15:567:04
2513.15:567:04
2613.15:577:04
2713.15:577:03
2813.15:577:03
2913.15:587:02
3013.15:587:02
3113.05:597:01

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.67 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.67 kWh/m² in July across the year — July's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in July

Hazard calendar for Cheung Chau

In seasonPeak

In July, Cheung Chau sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Cheung Chau sits in the Pacific typhoon belt; the season peaks July–October.

Cheung Chau's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Cheung Chau?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.4
Sightseeing
10th-best month of the year
4.9
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Cheung Chau.

What to pack for Cheung Chau in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Cheung Chau sees daytime highs around 31°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Cheung Chau in July

The nearest coast averages about 29°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 29°C and coldest in January near 20°C.

It's comfortable for a long swim from Feb 26 to Jan 6 — about 10.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb20Cool
Mar21Refreshing
Apr23Refreshing
May26Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov24Refreshing
Dec21Refreshing

UV index in Cheung Chau in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cheung Chau peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 12Jan 11UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar9Very high
Apr9Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Cheung Chau in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Cheung Chau is worst in January — around 183 µg/m³ PM2.5 (very unhealthy), about 2.5× the cleanest month (July, 73 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyVery unhealthyJan 21181 µg/m³Jul 1674 µg/m³
PM2.5 (µg/m³)Level
Jan183Very unhealthy
Feb175Very unhealthy
Mar165Very unhealthy
Apr149Unhealthy
May115Unhealthy
Jun83Unhealthy
Jul73Unhealthy
Aug85Unhealthy
Sep119Unhealthy
Oct127Unhealthy
Nov157Very unhealthy
Dec156Very unhealthy
Location & terrain

Where is Cheung Chau?

Cheung Chau sits at 22.2°N, 114.0°E, 4 m above sea level, in Hong Kong. The nearest listed city is Discovery Bay, 10 km away.

Discovery BaySan Tung Chung HangMount DavisWah FuPok Fu LamTung ChungSouth Horizons (Estate)South Horizons

Topography around Cheung Chau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cheung Chau.

Within 3 km, the terrain around Cheung Chau has only modest variations in elevation — a maximum elevation change of 219 m around an average of 8 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 913 m; within 80 km, large variations in elevation — a maximum elevation change of 984 m.

The land around Cheung Chau is covered by water (85%) within 3 km, water (76%) within 16 km, and water (66%) within 80 km.

3 km
219 m
16 km
913 m
80 km
984 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Discovery Bay 10 km · San Tung Chung Hang 12 km · Mount Davis 12 km · Wah Fu 12 km · Pok Fu Lam 12 km · Tung Chung 12 km · South Horizons (Estate) 13 km · South Horizons 13 km

Hong Kong travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
220 V · 50 Hz
Prices
≈ 71% of US
price level, 2025
GDP per capita
$56,983
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.4
per 100k, 2023
Income group
High
World Bank
English
Moderate
EF EPI 538
Religion
other or none 54%Buddhist or Taoist 28%Protestant 7%Roman Catholic 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cheung Chau (22.2109°, 114.0279°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).