São João Nepomuceno weather in August

In August, São João Nepomuceno sees average daytime highs of 25°C and overnight lows near 15°C, with 23 mm of rain across 4.8 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 10th-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 43% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 hours at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is São João Nepomuceno's 2nd-clearest and 4th-windiest month. For the whole year in context, see São João Nepomuceno's year-round climate.

Daytime high
25°
9th warmest
Overnight low
15°
3rd coldest
Rainfall
23 mm
4.8 wet days
Daylight
11 h 18 min
7:18 AM – 6:34 PM
Cloud cover
47%
2nd clearest
Wind
7 km/h
4th windiest
Solar energy
4.21 kWh/m²
Travel score
7.8
out of 10

São João Nepomuceno 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 25°C through the month.

A typical August day in São João Nepomuceno reaches about 25°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142515
152515
162515
172515
182515
192515
202515
212615
222615
232615
242615
252615
262615
272615
282615
292615
302615
312615

How August really feels in São João Nepomuceno

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.

São João Nepomuceno weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°2621913.24.0
Feb30° / 21°15814.612.74.1
Mar29° / 20°17918.412.24.3
Apr28° / 19°7911.911.55.9
May25° / 16°478.1117.1
Jun25° / 14°173.910.78.0
Jul24° / 14°18410.88.1
Aug25° / 15°234.811.37.8
Sep27° / 16°689.211.96.7
Oct27° / 18°1241412.55.7
Nov28° / 19°24719.1134.7
Dec29° / 20°27921.613.34.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66238
76238
86238
96238
106139
116139
126139
136139
146040
156040
166040
176040
185941
195941
205941
215941
226040
236040
245941
256040
266040
276139
286139
296139
306139
316139

Chance of precipitation in August

Any precipitation

São João Nepomuceno gets around 23 mm of rain over 4.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
114
213
313
413
513
613
713
813
913
1013
1114
1214
1314
1414
1515
1615
1715
1816
1916
2017
2117
2217
2318
2418
2518
2619
2719
2819
2920
3020
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12653210
22653210
32652211
42652211
52652211
62652211
72651221
82651221
92651221
102552221
112551231
122551231
132551231
142452231
152452231
162452231
172452231
182452231
192352241
202351251
212350261
222251261
232151271
242150281
252051281
262050292
272049292
282048302
292048302
302047312
312046313

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 11 hours 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 30 minutes over August. Sunrise moves from 7:28 AM to 7:06 AM, and sunset from 6:28 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:286:28
211.07:276:29
311.07:276:29
411.17:266:29
511.17:266:30
611.17:256:30
711.17:256:31
811.17:246:31
911.17:236:31
1011.17:236:32
1111.27:226:32
1211.27:216:32
1311.27:216:33
1411.27:206:33
1511.27:196:33
1611.37:186:34
1711.37:186:34
1811.37:176:34
1911.37:166:35
2011.37:156:35
2111.37:156:35
2211.47:146:36
2311.47:136:36
2411.47:126:36
2511.47:116:37
2611.47:106:37
2711.57:096:37
2811.57:086:38
2911.57:086:38
3011.57:076:38
3111.57:066:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.21 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.94 kWh/m² in February across the year — August's 4.21 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for São João Nepomuceno

In seasonPeak

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

São João Nepomuceno's monsoon runs November–March, when most of the year's rain falls.

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

Is August a good time to visit São João Nepomuceno?

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

7.8
Sightseeing
3rd-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for São João Nepomuceno in August

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

In August, São João Nepomuceno sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 5 days see rain.

light clothes

UV index in São João Nepomuceno in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São João Nepomuceno peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in São João Nepomuceno 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 São João Nepomuceno is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Jan 1210 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May14Moderate
Jun14Moderate
Jul14Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is São João Nepomuceno?

São João Nepomuceno sits at 21.5°S, 43.0°W, 378 m above sea level, in Brazil. The nearest listed city is Rio Pomba, 34 km away.

Topography around São João Nepomuceno

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

Within 3 km, the terrain around São João Nepomuceno has significant variations in elevation — a maximum elevation change of 460 m around an average of 426 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,590 m.

The land around São João Nepomuceno is covered by grassland (63%) and trees (26%) within 3 km, grassland (67%) and trees (31%) within 16 km, and grassland (63%) and trees (36%) within 80 km.

3 km
460 m
16 km
719 m
80 km
1,590 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Rio Pomba 34 km · Cataguases 37 km · Leopoldina 38 km · Tocantins 41 km · Juiz de Fora 43 km · Ubá 47 km · Além Paraíba 50 km · Sapucaia 52 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 São João Nepomuceno (-21.54°, -43.0106°, elevation 378 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. 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).