Mangaratiba weather in August

In August, Mangaratiba sees average daytime highs of 24°C and overnight lows near 18°C, with 51 mm of rain across 8 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 12th-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 49% of the time in August, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Mangaratiba's 1st-clearest and 3rd-windiest month. For the whole year in context, see Mangaratiba's year-round climate.

Daytime high
24°
11th warmest
Overnight low
18°
2nd coldest
Rainfall
51 mm
8 wet days
Daylight
11 h 12 min
7:24 AM – 6:36 PM
Cloud cover
45%
1st clearest
Wind
10 km/h
3rd windiest
Solar energy
4.23 kWh/m²
Travel score
7.5
out of 10

Mangaratiba is human settlement in Brazil.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical August day in Mangaratiba reaches about 24°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52318
62318
72318
82318
92318
102318
112318
122318
132318
142318
152318
162318
172418
182418
192418
202418
212418
222418
232418
242418
252419
262419
272419
282419
292419
302419
312419

Mangaratiba weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66337
76337
86337
96337
106337
116337
126337
136337
146337
156238
166238
176238
186238
196238
206238
216337
226238
236238
246238
256238
266238
276139
286139
296139
306040
316040

Chance of precipitation in August

Any precipitation

Mangaratiba gets around 51 mm of rain over 8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1625
1725
1826
1926
2026
2126
2226
2327
2427
2528
2628
2729
2829
2930
3030
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15215816
25215816
35215816
45215816
55215717
65215717
75215717
85215618
95215618
105215618
116215419
126215419
136225319
145225419
155225320
165225320
175225320
185225320
195215420
205215420
214205521
224195621
234195522
244185622
253185623
263175624
273175525
283175426
293165427
303165427
313165328

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 54 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 7:34 AM to 7:11 AM, and sunset from 6:30 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:346:30
210.97:346:31
311.07:336:31
411.07:336:31
511.07:326:32
611.07:316:32
711.07:316:33
811.07:306:33
911.17:296:33
1011.17:296:34
1111.17:286:34
1211.17:276:35
1311.17:276:35
1411.27:266:35
1511.27:256:36
1611.27:246:36
1711.27:236:37
1811.27:236:37
1911.37:226:37
2011.37:216:38
2111.37:206:38
2211.37:196:38
2311.37:186:39
2411.47:176:39
2511.47:176:40
2611.47:166:40
2711.47:156:40
2811.47:146:41
2911.57:136:41
3011.57:126:41
3111.57:116:42

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.23 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 — August's 4.23 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.0Bright
114.1Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Mangaratiba

In seasonPeak

None of Mangaratiba's seasonal hazards are active in August. 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 August a good time to visit Mangaratiba?

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

7.5
Sightseeing
1st-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Mangaratiba in August

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

In August, Mangaratiba sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Mangaratiba in August

The nearest coast averages about 21°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).