Shui Chuen O weather in May

In May, Shui Chuen O sees average daytime highs of 27°C and overnight lows near 25°C, with 210 mm of rain across 17.3 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Shui Chuen O's 11th-clearest and 11th-windiest month. For the whole year in context, see Shui Chuen O's year-round climate.

Daytime high
27°
5th warmest
Overnight low
25°
8th coldest
Rainfall
210 mm
17.3 wet days
Daylight
13 h 06 min
5:47 AM – 6:52 PM
Cloud cover
73%
11th clearest
Wind
14 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
5.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical May day in Shui Chuen O reaches about 27°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12623
22623
32624
42624
52624
62624
72724
82724
92724
102724
112724
122724
132724
142725
152725
162725
172725
182725
192825
202825
212825
222825
232825
242825
252825
262825
272825
282826
292826
302826
312826

How May really feels in Shui Chuen O

Once humidity and wind are folded in, May averages 5 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
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Shui Chuen O weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 15°29510.86.7
Feb19° / 16°448.111.26.2
Mar21° / 18°6910.411.86.3
Apr24° / 22°11612.612.56.2
May27° / 25°21017.313.15.2
Jun29° / 27°30921.513.33.8
Jul30° / 27°24820.413.23.8
Aug30° / 27°30721.912.83.7
Sep29° / 26°21416.312.14.7
Oct27° / 24°756.611.57.3
Nov24° / 20°395.110.97.9
Dec20° / 16°344.510.77.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33664
43664
53664
63763
73664
83664
93763
103763
113664
123565
133466
143367
153367
163268
173169
182971
192971
202872
212674
222575
232575
242476
252476
262476
272476
282476
292575
302476
312476

Chance of precipitation in May

Any precipitation

Shui Chuen O gets around 210 mm of rain over 17.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
749
849
950
1050
1151
1252
1352
1453
1554
1655
1756
1857
1958
2059
2160
2261
2362
2462
2562
2662
2762
2862
2962
3062
3162

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
118205219
217195221
317195122
416185124
516185026
605174928
705164830
805164732
904154634
1004154536
1104144438
1203144340
1303134241
1403134143
1503134045
1603123946
1702123848
1802113749
1902113651
2002113552
2102113453
2202103355
2302103256
2402103157
250293059
260192961
270192862
280182764
290182764
300172666
310162568

Wind in May

Winds average 14 km/h in May.

Across May, 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
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:56 AM to 5:43 AM, and sunset from 6:45 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:566:45
212.85:556:45
312.95:556:46
412.95:546:46
512.95:536:47
612.95:536:47
712.95:526:47
812.95:516:48
913.05:516:48
1013.05:506:49
1113.05:506:49
1213.05:496:50
1313.05:496:50
1413.05:486:51
1513.15:486:51
1613.15:476:52
1713.15:476:52
1813.15:476:52
1913.15:466:53
2013.15:466:53
2113.15:456:54
2213.25:456:54
2313.25:456:55
2413.25:446:55
2513.25:446:56
2613.25:446:56
2713.25:446:57
2813.25:436:57
2913.25:436:57
3013.25:436:58
3113.35:436:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.38 kWh/m² to a high of 5.66 kWh/m² in July across the year — May's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
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 May

Hazard calendar for Shui Chuen O

In seasonPeak

In May, Shui Chuen O sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Shui Chuen O sits in the Pacific typhoon belt; the season peaks July–October.

Shui Chuen O'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 May a good time to visit Shui Chuen O?

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

5.2
Sightseeing
8th-best month of the year
5.4
Beach & pool
4th-best month of the year

May is a reasonable time to visit Shui Chuen O for sightseeing.

What to pack for Shui Chuen O in May

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

In May, Shui Chuen O sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Shui Chuen O in May

The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in July at about 29°C and coldest in January near 20°C.

It's comfortable for a long swim from Feb 23 to Jan 5 — 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
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov24Refreshing
Dec21Refreshing

UV index in Shui Chuen O in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shui Chuen O 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 Shui Chuen O in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Shui Chuen O 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 Shui Chuen O?

Shui Chuen O sits at 22.4°N, 114.2°E, 127 m above sea level, in Hong Kong. The nearest listed city is Pok Hong, 0.0 km away.

Topography around Shui Chuen O

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shui Chuen O.

Within 3 km, the terrain around Shui Chuen O has significant variations in elevation — a maximum elevation change of 555 m around an average of 155 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 941 m; within 80 km, large variations in elevation — a maximum elevation change of 1,012 m.

The land around Shui Chuen O is covered by trees (70%) and artificial surfaces (25%) within 3 km, trees (53%) and water (30%) within 16 km, and water (58%) and trees (25%) within 80 km.

3 km
555 m
16 km
941 m
80 km
1,012 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Pok Hong 0.0 km · Sha Tin Wai 1.0 km · Sun Tin Wai 1.0 km · San Tin 1.0 km · City One 2.0 km · Siu Lek Yuen 2.0 km · Tai Wai 2.0 km · Sha Tin 2.0 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 Shui Chuen O (22.3716°, 114.1978°, elevation 127 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).