Yuen Long weather in August

In August, Yuen Long sees average daytime highs of 31°C and overnight lows near 27°C, with 313 mm of rain across 23.6 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 2nd-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 18% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 hours at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Yuen Long's 9th-clearest and 11th-windiest month. For the whole year in context, see Yuen Long's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
27°
11th coldest
Rainfall
313 mm
23.6 wet days
Daylight
12 h 48 min
6:05 AM – 6:51 PM
Cloud cover
73%
9th clearest
Wind
10 km/h
11th windiest
Solar energy
5.06 kWh/m²
Travel score
3.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Yuen Long 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 33°C. Set against its neighbours, August runs on par with July and on par with September.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13127
23127
33127
43127
53127
63127
73127
83127
93127
103127
113127
123127
133127
143127
153127
163127
173127
183127
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126
313126

How August really feels in Yuen Long

Once humidity and wind are folded in, August 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
8 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Yuen Long weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 13°325.510.86.9
Feb20° / 15°437.811.26.4
Mar22° / 17°7511.411.86.3
Apr26° / 21°12513.812.55.8
May29° / 24°22919.113.14.4
Jun30° / 26°31922.913.33.2
Jul31° / 27°24322.113.23.1
Aug31° / 27°31323.612.83.1
Sep30° / 26°19916.612.14.1
Oct28° / 23°616.711.56.7
Nov25° / 19°344.910.97.9
Dec21° / 15°314.210.77.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33169
43169
52971
62971
72971
82872
92872
102872
112872
122872
132872
142872
152971
163070
173169
183169
193367
203367
213466
223664
233664
243664
253664
263664
273664
283565
293565
303565
313565

Chance of precipitation in August

Any precipitation

Yuen Long gets around 313 mm of rain over 23.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
172
273
374
475
576
677
777
878
979
1079
1180
1280
1380
1480
1580
1680
1779
1879
1978
2077
2177
2276
2375
2474
2574
2673
2773
2872
2972
3072
3171

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10199
20199
30199
40199
50199
60199
70199
80199
90199
100199
110199
120199
130199
140199
150199
160298
170298
180298
190298
200397
210397
220397
230397
240496
250496
260595
270595
280694
290694
300793
311891

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:59 AM to 6:10 AM, and sunset from 7:01 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:597:01
213.05:597:01
313.06:007:00
413.06:007:00
513.06:006:59
613.06:016:58
712.96:016:58
812.96:026:57
912.96:026:56
1012.96:026:56
1112.96:036:55
1212.96:036:54
1312.86:036:54
1412.86:046:53
1512.86:046:52
1612.86:056:51
1712.86:056:51
1812.76:056:50
1912.76:066:49
2012.76:066:48
2112.76:066:47
2212.76:076:46
2312.66:076:46
2412.66:076:45
2512.66:086:44
2612.66:086:43
2712.66:086:42
2812.56:096:41
2912.56:096:40
3012.56:096:39
3112.56:106:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.06 kWh/m².

For context, solar energy here swings from a low near 3.38 kWh/m² to a high of 5.5 kWh/m² in July across the year — August's 5.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Yuen Long

In seasonPeak

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

Yuen Long sits in the Pacific typhoon belt; the season peaks July–October.

Yuen Long'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 August a good time to visit Yuen Long?

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

3.1
Sightseeing
11th-best month of the year
4.5
Beach & pool
8th-best month of the year

August is a weaker month for outdoor sightseeing in Yuen Long.

What to pack for Yuen Long in August

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

In August, Yuen Long sees daytime highs around 31°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Yuen Long in August

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

The sea at the nearest coast (about 17 km away) is warmest in August at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 18 to Dec 18 — about 9.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Cool
Apr23Refreshing
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov24Refreshing
Dec20Refreshing

UV index in Yuen Long in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yuen Long 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 Yuen Long in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Yuen Long 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 Yuen Long?

Yuen Long sits at 22.4°N, 114.0°E, 21 m above sea level, in Hong Kong. The nearest listed city is Yuen Long Kau Hui, 1.0 km away.

Fairview ParkKam Tin

Topography around Yuen Long

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

Within 3 km, the terrain around Yuen Long has only modest variations in elevation — a maximum elevation change of 241 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 948 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.

The land around Yuen Long is covered by artificial surfaces (48%) and trees (35%) within 3 km, trees (43%), water (28%) and artificial surfaces (23%) within 16 km, and water (53%) and trees (24%) within 80 km.

3 km
241 m
16 km
948 m
80 km
1,020 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Yuen Long Kau Hui 1.0 km · Yeung Uk Tsuen 1.0 km · Yuen Long San Hui 2.0 km · Ping Shan 2.0 km · Shap Pat Heung 2.0 km · Tin Shui Wai 3.0 km · Fairview Park 3.0 km · Kam Tin 4.0 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 Yuen Long (22.4452°, 114.0262°, elevation 21 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).