Japeri weather in August

In August, Japeri sees average daytime highs of 25°C and overnight lows near 17°C, with 35 mm of rain across 6.8 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 12th-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 47% 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 Japeri's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Japeri's year-round climate.

Daytime high
25°
10th warmest
Overnight low
17°
2nd coldest
Rainfall
35 mm
6.8 wet days
Daylight
11 h 12 min
7:22 AM – 6:35 PM
Cloud cover
46%
2nd clearest
Wind
7 km/h
3rd windiest
Solar energy
4.16 kWh/m²
Travel score
7.5
out of 10
Air quality
Moderate
PM10 33.8 µg/m³ · 2019

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 25°C through the month.

A typical August day in Japeri reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112517
122517
132517
142517
152517
162517
172517
182517
192517
202517
212617
222617
232617
242617
252617
262617
272617
282618
292618
302618
312618

How August really feels in Japeri

Once humidity and wind are folded in, August 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

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

Japeri weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°2732113.23.6
Feb31° / 23°19717.612.83.7
Mar29° / 22°20020.112.24.1
Apr28° / 21°10613.111.55.8
May26° / 18°6810.310.96.8
Jun25° / 17°406.610.67.6
Jul25° / 16°406.610.87.7
Aug25° / 17°356.811.27.5
Sep26° / 18°7911.111.96.5
Oct27° / 20°11413.912.55.8
Nov27° / 21°19018.713.14.9
Dec29° / 22°22720.813.44.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36139
46139
56139
66040
76040
86040
96040
106040
116040
125941
135941
146040
156040
166040
176139
186139
196139
206238
216238
226238
236337
246337
256337
266337
276337
286337
296337
306238
316238

Chance of precipitation in August

Any precipitation

Japeri gets around 35 mm of rain over 6.8 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 22% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
421
521
620
720
820
920
1020
1120
1220
1320
1421
1521
1621
1721
1821
1922
2022
2123
2223
2323
2424
2525
2625
2726
2826
2927
3027
3128

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1634528
2634528
3534529
4534529
5633529
6633529
76335110
86325210
97325110
107325110
117325011
127325011
137324911
147324911
157334811
167334811
177334811
187344811
197334811
207334911
216334912
226325012
236325012
245315212
255315113
265305213
274295413
284295314
294285315
304275415
314275316

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:32 AM to 7:09 AM, and sunset from 6:29 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:326:29
211.07:326:30
311.07:316:30
411.07:316:30
511.07:306:31
611.07:296:31
711.07:296:32
811.17:286:32
911.17:276:32
1011.17:276:33
1111.17:266:33
1211.17:256:34
1311.27:256:34
1411.27:246:34
1511.27:236:35
1611.27:226:35
1711.27:226:35
1811.37:216:36
1911.37:206:36
2011.37:196:37
2111.37:186:37
2211.37:176:37
2311.47:166:38
2411.47:166:38
2511.47:156:38
2611.47:146:39
2711.47:136:39
2811.57:126:39
2911.57:116:40
3011.57:106:40
3111.57:096:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 5.86 kWh/m² in February across the year — August's 4.16 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Moderate
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Japeri

In seasonPeak

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

Japeri's rainy season runs November–March, 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 Japeri?

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

7.5
Sightseeing
3rd-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Japeri in August

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

In August, Japeri sees daytime highs around 25°C and nights near 17°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near Japeri 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 54 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 Japeri 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 Japeri peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 16UV 14Jul 13UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5Moderate
Aug8Very high
Sep6High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Japeri 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 Japeri is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (December, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateJul 1237 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar21Moderate
Apr24Moderate
May31Moderate
Jun36Poor
Jul38Poor
Aug32Moderate
Sep37Poor
Oct24Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Japeri?

Japeri sits at 22.6°S, 43.7°W, 32 m above sea level, in Brazil. The nearest listed city is Paracambi, 7.0 km away.

Topography around Japeri

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

Within 3 km, the terrain around Japeri has significant variations in elevation — a maximum elevation change of 529 m around an average of 97 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,157 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Japeri is covered by trees (45%) and grassland (43%) within 3 km, trees (57%) and grassland (36%) within 16 km, and trees (39%), grassland (31%) and water (23%) within 80 km.

3 km
529 m
16 km
1,157 m
80 km
2,224 m
treesgrasslandartificial surfaceswaterwetlandmangroves
August weather nearby: Paracambi 7.0 km · Seropédica 13 km · Queimados 13 km · Universidade Rural 14 km · Mendes 15 km · Nova Iguaçu 24 km · Piraí 25 km · Barra do Piraí 26 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 Japeri (-22.6431°, -43.6533°, elevation 32 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).