Mangaratiba weather in May

In May, Mangaratiba sees average daytime highs of 24°C and overnight lows near 20°C, with 90 mm of rain across 11.8 wet days and about 10.9 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 40% 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 Mangaratiba's 4th-clearest and 7th-windiest month. For the whole year in context, see Mangaratiba's year-round climate.

Daytime high
24°
8th warmest
Overnight low
20°
5th coldest
Rainfall
90 mm
11.8 wet days
Daylight
10 h 54 min
7:25 AM – 6:19 PM
Cloud cover
51%
4th clearest
Wind
9 km/h
7th windiest
Solar energy
3.62 kWh/m²
Travel score
6.8
out of 10

Mangaratiba 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 24°C through the month.

A typical May day in Mangaratiba reaches about 24°C in the afternoon and slips back to 20°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°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)
12521
22521
32521
42521
52520
62520
72520
82520
92520
102520
112420
122420
132420
142420
152420
162420
172420
182420
192420
202420
212419
222419
232419
242419
252419
262419
272419
282419
292419
302419
312419

Mangaratiba weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°25921.613.34.5
Feb28° / 24°18917.512.84.5
Mar28° / 23°2072112.24.8
Apr26° / 22°12814.111.56.1
May24° / 20°9011.810.96.8
Jun24° / 19°587.810.67.5
Jul23° / 18°61810.77.5
Aug24° / 18°51811.27.5
Sep24° / 19°9712.511.96.6
Oct25° / 20°12114.412.56.0
Nov25° / 21°17818.613.15.3
Dec27° / 23°21220.113.44.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56238
66139
76139
86040
95941
105842
115842
125842
135743
145743
155743
165743
175842
185842
195842
205842
215842
225842
235842
245941
255941
265941
276040
285941
295941
305941
315941

Chance of precipitation in May

Any precipitation

Mangaratiba gets around 90 mm of rain over 11.8 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 38% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
640
741
841
941
1041
1141
1241
1341
1441
1541
1640
1740
1839
1938
2038
2137
2237
2336
2436
2535
2635
2734
2834
2933
3033
3132

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
104265020
205275018
305295016
405304915
506314914
606324913
706334812
806344811
907354711
1007364710
110737469
120738469
130739458
140740458
150841457
160841456
170841456
180842455
190842455
200942455
210942444
2201042444
2301042443
2401142433
2501242433
2601242433
2711342422
2811442422
2911441422
3011541422
3111540421

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:19 AM to 7:32 AM, and sunset from 6:28 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:196:28
211.17:196:27
311.17:196:27
411.17:206:26
511.17:206:25
611.17:216:25
711.07:216:24
811.07:226:24
911.07:226:23
1011.07:236:22
1111.07:236:22
1211.07:246:21
1310.97:246:21
1410.97:246:20
1510.97:256:20
1610.97:256:19
1710.97:266:19
1810.97:266:19
1910.97:276:18
2010.87:276:18
2110.87:286:17
2210.87:286:17
2310.87:296:17
2410.87:296:16
2510.87:306:16
2610.87:306:16
2710.77:316:16
2810.77:316:15
2910.77:316:15
3010.77:326:15
3110.77:326:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.62 kWh/m².

For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.99 kWh/m² in February across the year — May's 3.62 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Moderate
44.0Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in May

Hazard calendar for Mangaratiba

In seasonPeak

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

Mangaratiba'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 Mangaratiba?

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

6.8
Sightseeing
4th-best month of the year
5.9
Beach & pool
4th-best month of the year

May is a reasonable time to visit Mangaratiba for sightseeing.

What to pack for Mangaratiba in May

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

In May, Mangaratiba sees daytime highs around 24°C and nights near 20°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Mangaratiba 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 25 km away) is warmest in February at about 26°C and coldest in August near 21°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Mangaratiba 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 Mangaratiba peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Mangaratiba 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 Mangaratiba is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (February, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1625 µg/m³Feb 1713 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar14Moderate
Apr15Moderate
May20Moderate
Jun24Moderate
Jul26Moderate
Aug23Moderate
Sep26Moderate
Oct17Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Mangaratiba?

Mangaratiba sits at 23.0°S, 44.0°W, 21 m above sea level, in Brazil. The nearest listed city is Rio Claro, 28 km away.

Topography around Mangaratiba

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

Within 3 km, the terrain around Mangaratiba has significant variations in elevation — a maximum elevation change of 444 m around an average of 58 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,664 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,049 m.

The land around Mangaratiba is covered by water (52%) and trees (35%) within 3 km, trees (51%) and water (40%) within 16 km, and trees (36%), water (36%) and grassland (22%) within 80 km.

3 km
444 m
16 km
1,664 m
80 km
2,049 m
treesgrasslandartificial surfaceswater
May weather nearby: Rio Claro 28 km · Angra dos Reis 29 km · Itaguaí 30 km · Piraí 40 km · Seropédica 42 km · Universidade Rural 42 km · Barra Mansa 48 km · Volta Redonda 49 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 Mangaratiba (-22.9597°, -44.0406°, 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. 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).