Macaé weather in May

In May, Macaé sees average daytime highs of 25°C and overnight lows near 22°C, with 57 mm of rain across 9.7 wet days and about 10.9 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 49% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Macaé's 4th-clearest and 10th-windiest month. For the whole year in context, see Macaé's year-round climate.

Daytime high
25°
7th warmest
Overnight low
22°
6th coldest
Rainfall
57 mm
9.7 wet days
Daylight
10 h 54 min
7:15 AM – 6:11 PM
Cloud cover
46%
4th clearest
Wind
14 km/h
10th windiest
Solar energy
3.81 kWh/m²
Travel score
7.2
out of 10

Macaé is human settlement in Brazil.

Air quality
Good
PM10 21 µg/m³ · 2015

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 25°C through the month.

A typical May day in Macaé reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42522
52522
62522
72522
82522
92522
102522
112522
122522
132522
142522
152522
162522
172521
182521
192521
202521
212421
222421
232421
242421
252421
262421
272421
282421
292421
302421
312421

Macaé weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°13911.813.26.1
Feb28° / 24°808.812.86.4
Mar27° / 24°12413.812.26.0
Apr26° / 23°7211.111.56.6
May25° / 22°579.710.97.2
Jun24° / 21°305.910.78.0
Jul24° / 20°336.210.87.9
Aug24° / 20°316.511.27.8
Sep24° / 21°608.911.97.3
Oct24° / 21°8610.112.56.8
Nov25° / 22°15414.313.15.9
Dec27° / 24°14914.713.35.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37129
47129
57129
67030
77030
86931
96733
106733
116634
126535
136337
146337
156238
166337
176238
186238
196238
206337
216337
226337
236337
246436
256535
266634
276733
286832
296832
307030
317030

Chance of precipitation in May

Any precipitation

Macaé gets around 57 mm of rain over 9.7 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
431
531
631
731
831
931
1032
1132
1233
1333
1434
1534
1634
1734
1834
1934
2034
2134
2234
2333
2432
2532
2631
2730
2828
2927
3026
3125

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111539441
211640421
311741401
421842380
521942370
622043350
722043340
822144330
922244320
1022244310
1122345300
1232445280
1332446270
1432546260
1532547250
1632547240
1742648230
1842648220
1942649210
2042649200
2142750190
2242750190
2352750180
2452751170
2552751170
2662751160
2762751160
2862751160
2972750160
3072750160
3172750160

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 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:09 AM to 7:22 AM, and sunset from 6:20 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:096:20
211.27:096:19
311.17:106:19
411.17:106:18
511.17:116:17
611.17:116:17
711.17:116:16
811.17:126:15
911.07:126:15
1011.07:136:14
1111.07:136:14
1211.07:146:13
1311.07:146:13
1411.07:156:12
1510.97:156:12
1610.97:156:11
1710.97:166:11
1810.97:166:10
1910.97:176:10
2010.97:176:10
2110.97:186:09
2210.87:186:09
2310.87:196:09
2410.87:196:08
2510.87:206:08
2610.87:206:08
2710.87:216:08
2810.87:216:07
2910.87:216:07
3010.87:226:07
3110.77:226:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.81 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.42 kWh/m² in February across the year — May's 3.81 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for Macaé

In seasonPeak

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

Macaé's rainy season runs October–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 Macaé?

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

7.2
Sightseeing
5th-best month of the year
6.4
Beach & pool
6th-best month of the year

May is one of the better times to visit Macaé for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Macaé in May

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

In May, Macaé sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Macaé in May

The nearest coast averages about 24°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 16 km away) is warmest in March at about 25°C and coldest in September near 22°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Refreshing

UV index in Macaé in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Macaé peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 14Jul 11UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Macaé?

Macaé sits at 22.4°S, 41.8°W, 8 m above sea level, in Brazil. The nearest listed city is Rio das Ostras, 23 km away.

Topography around Macaé

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

Within 3 km, the terrain around Macaé has only modest variations in elevation — a maximum elevation change of 70 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Macaé is covered by water (43%) and artificial surfaces (33%) within 3 km, water (50%) and grassland (27%) within 16 km, and grassland (34%), water (34%) and trees (27%) within 80 km.

3 km
70 m
16 km
408 m
80 km
1,806 m
treesgrasslandartificial surfacesbare terrainwaterwetland
May weather nearby: Rio das Ostras 23 km · Conceição de Macabu 34 km · Buzios 42 km · Quissamã 45 km · Casimiro de Abreu 45 km · São Pedro da Aldeia 60 km · Cabo Frio 61 km · Iguaba Grande 68 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 Macaé (-22.3848°, -41.7832°, elevation 8 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).