Macau weather in May

In May, Macau sees average daytime highs of 29°C and overnight lows near 25°C, with 57 mm of rain across 9.6 wet days and about 11.8 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Macau's 8th-clearest and 10th-windiest month. For the whole year in context, see Macau's year-round climate.

Daytime high
29°
1st warmest
Overnight low
25°
7th coldest
Rainfall
57 mm
9.6 wet days
Daylight
11 h 48 min
5:30 AM – 5:16 PM
Cloud cover
49%
8th clearest
Wind
21 km/h
10th windiest
Solar energy
5.22 kWh/m²
Travel score
5.5
out of 10

Macau is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Macau reaches about 29°C in the afternoon and slips back to 25°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 31°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How May really feels in Macau

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Macau weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°5910.612.35.5
Feb29° / 26°8312.712.25.0
Mar29° / 26°13218.4124.5
Apr29° / 26°12417.511.94.5
May29° / 25°579.611.85.5
Jun29° / 25°345.611.76.2
Jul29° / 24°233.111.76.8
Aug29° / 24°20.411.87.2
Sep29° / 24°00.1127.4
Oct29° / 25°10.212.17.2
Nov29° / 25°10.412.27.0
Dec29° / 26°9312.36.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25248
35347
45446
55545
65644
75842
85941
95941
106139
116238
126238
136337
146337
156436
166436
176535
186634
196634
206733
216832
226832
236931
246931
257030
267030
277129
287129
297129
307228
317228

Chance of precipitation in May

Any precipitation

Macau gets around 57 mm of rain over 9.6 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 31% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
244
343
441
540
638
737
836
934
1033
1132
1231
1330
1430
1529
1629
1729
1828
1928
2028
2127
2227
2327
2426
2526
2626
2725
2825
2925
3024
3124

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11927
21927
31927
41936
51936
61936
71936
81936
91936
101936
111936
121936
131936
141936
151936
161936
171936
181936
191936
201936
212926
222935
232935
243925
253934
264924
275923
286913
296913
307912
318902

Wind in May

Winds average 21 km/h in May.

Across May, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:29 AM to 5:32 AM, and sunset from 5:18 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:295:18
211.85:295:18
311.85:295:18
411.85:295:18
511.85:295:17
611.85:295:17
711.85:295:17
811.85:295:17
911.85:295:17
1011.85:295:17
1111.85:295:16
1211.85:295:16
1311.85:295:16
1411.85:305:16
1511.85:305:16
1611.85:305:16
1711.85:305:16
1811.85:305:16
1911.85:305:16
2011.85:305:16
2111.85:305:16
2211.85:315:16
2311.75:315:15
2411.75:315:15
2511.75:315:15
2611.75:315:16
2711.75:315:16
2811.75:325:16
2911.75:325:16
3011.75:325:16
3111.75:325:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.86 kWh/m² in October across the year — May's 5.22 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Macau

In seasonPeak

None of Macau's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Macau's rainy season runs January–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Macau?

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
7.2
Beach & pool
8th-best month of the year

May is a reasonable time to visit Macau for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Macau in May

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

In May, Macau sees daytime highs around 29°C and nights near 25°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 10 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Macau in May

The nearest coast averages about 29°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 27 km away) is warmest in April at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Macau in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Macau peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jul 13UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Macau?

Macau sits at 5.1°S, 36.6°W, 7 m above sea level, in Brazil. The nearest listed city is Guamaré, 35 km away.

Topography around Macau

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

Within 3 km, the terrain around Macau has only modest variations in elevation — a maximum elevation change of 9 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, significant variations in elevation — a maximum elevation change of 545 m.

The land around Macau is covered by water (48%) and bare terrain (21%) within 3 km, water (54%) within 16 km, and shrubs (46%) and water (33%) within 80 km.

3 km
9 m
16 km
51 m
80 km
545 m
shrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Guamaré 35 km · Areia Branca 58 km · Açu 60 km · Mossoró 79 km · Icapuí 92 km · João Câmara 102 km · Baraúna 109 km · Lagoa Nova 110 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Macau (-5.115°, -36.6344°, elevation 7 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).