Lai Chi Van weather in May

In May, Lai Chi Van sees average daytime highs of 26°C and overnight lows near 25°C, with 208 mm of rain across 16.6 wet days and about 13 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 22% 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 12 min by month's end. Set against the rest of the year, May is Lai Chi Van's 11th-clearest and 12th-windiest month. For the whole year in context, see Lai Chi Van's year-round climate.

Daytime high
26°
5th warmest
Overnight low
25°
8th coldest
Rainfall
208 mm
16.6 wet days
Daylight
13 h 06 min
5:50 AM – 6:54 PM
Cloud cover
70%
11th clearest
Wind
18 km/h
12th windiest
Solar energy
5.17 kWh/m²
Travel score
5.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical May day in Lai Chi Van reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12524
22524
32524
42624
52624
62624
72625
82625
92625
102625
112625
122625
132625
142625
152625
162725
172725
182725
192725
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312826

How May really feels in Lai Chi Van

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Lai Chi Van 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°35610.86.5
Feb19° / 16°518.711.26.0
Mar21° / 19°6910.511.86.2
Apr24° / 22°10910.912.56.5
May26° / 25°20816.6135.5
Jun28° / 27°30321.413.34.1
Jul29° / 28°27719.913.24.2
Aug29° / 27°34721.412.84.1
Sep28° / 27°23117.112.15.0
Oct26° / 24°918.511.57.2
Nov23° / 21°395.810.97.8
Dec19° / 17°364.510.77.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
23961
34060
44060
54060
64159
74159
84159
94060
104060
114060
123862
133862
143763
153565
163466
173466
183169
193169
202872
212773
222674
232674
242674
252674
262674
272674
282674
292674
302674
312575

Chance of precipitation in May

Any precipitation

Lai Chi Van gets around 208 mm of rain over 16.6 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 53% and peaks near 60% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
245
345
445
545
646
746
847
947
1048
1148
1249
1351
1452
1553
1654
1755
1856
1957
2058
2159
2259
2360
2460
2560
2660
2760
2859
2959
3060
3160

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15174829
24174731
34164633
43164535
53154437
63154339
73144241
82144143
92134044
102123946
112123948
122113849
132113750
142103751
15293653
16293554
17183457
18183457
19183358
20173260
21173161
22173062
23173062
24162964
25162865
26162766
27152668
28152569
29152470
30042373
31042274

Wind in May

Winds average 18 km/h in May, the calmest month.

Across May, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3019light breeze
3119light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 24 minutes over May. Sunrise moves from 5:59 AM to 5:46 AM, and sunset from 6:47 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:596:47
212.85:586:48
312.85:586:48
412.95:576:48
512.95:566:49
612.95:566:49
712.95:556:50
812.95:546:50
912.95:546:51
1013.05:536:51
1113.05:536:51
1213.05:526:52
1313.05:526:52
1413.05:516:53
1513.05:516:53
1613.15:506:54
1713.15:506:54
1813.15:506:55
1913.15:496:55
2013.15:496:56
2113.15:486:56
2213.15:486:56
2313.25:486:57
2413.25:476:57
2513.25:476:58
2613.25:476:58
2713.25:476:59
2813.25:466:59
2913.25:467:00
3013.25:467:00
3113.25:467:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.17 kWh/m².

For context, solar energy here swings from a low near 3.38 kWh/m² to a high of 5.63 kWh/m² in July across the year — May's 5.17 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
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
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in May

Hazard calendar for Lai Chi Van

In seasonPeak

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

Lai Chi Van sits in the Pacific typhoon belt; the season peaks July–October.

Lai Chi Van'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 Lai Chi Van?

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

5.5
Sightseeing
8th-best month of the year
5.4
Beach & pool
4th-best month of the year

May is a reasonable time to visit Lai Chi Van for sightseeing.

What to pack for Lai Chi Van in May

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

In May, Lai Chi Van sees daytime highs around 26°C and nights near 25°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near Lai Chi Van 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 offshore is warmest in August at about 29°C and coldest in January near 19°C.

It's comfortable for a long swim from Mar 12 to Dec 25 — about 9.5 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May26Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov24Refreshing
Dec21Refreshing

UV index in Lai Chi Van 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 Lai Chi Van peaks around July 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 14UV 12Jan 10UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr10Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Lai Chi Van 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 Lai Chi Van is worst in January — around 81 µg/m³ PM2.5 (unhealthy), about 5.8× the cleanest month (June, 14 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1380 µg/m³Jun 2214 µg/m³
PM2.5 (µg/m³)Level
Jan81Unhealthy
Feb66Unhealthy
Mar54Poor
Apr38Poor
May24Moderate
Jun14Moderate
Jul15Moderate
Aug20Moderate
Sep32Moderate
Oct52Poor
Nov62Unhealthy
Dec75Unhealthy
Location & terrain

Where is Lai Chi Van?

Lai Chi Van sits at 22.1°N, 113.6°E, 22 m above sea level, in Macao. The nearest listed city is Luhuan, 0.0 km away.

TaipaZhuojiacunMacau

Topography around Lai Chi Van

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lai Chi Van.

Within 3 km, the terrain around Lai Chi Van has significant variations in elevation — a maximum elevation change of 358 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 452 m; within 80 km, large variations in elevation — a maximum elevation change of 1,004 m.

The land around Lai Chi Van is covered by trees (32%), water (31%) and artificial surfaces (24%) within 3 km, water (71%) within 16 km, and water (61%) within 80 km.

3 km
358 m
16 km
452 m
80 km
1,004 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Luhuan 0.0 km · Taipa 4.0 km · Zhuojiacun 5.0 km · 8.0 km · Macau 9.0 km · Zhuhai 18 km · San Tung Chung Hang 44 km · Tung Chung 44 km

Macao travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 55% of US
price level, 2025
GDP per capita
$75,902
2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Income group
High
World Bank
Religion
folk religion 59%Buddhist 17%none 15%Christian 7%

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 Lai Chi Van (22.1197°, 113.5511°, elevation 22 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).