São José dos Quatro Marcos weather in August

In August, São José dos Quatro Marcos sees average daytime highs of 32°C and overnight lows near 20°C, with 14 mm of rain across 2.9 wet days and about 11.5 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 69% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of August to 11 h 42 min by month's end. Set against the rest of the year, August is São José dos Quatro Marcos's 2nd-clearest and 1st-windiest month. For the whole year in context, see São José dos Quatro Marcos's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
20°
3rd coldest
Rainfall
14 mm
2.9 wet days
Daylight
11 h 30 min
7:13 AM – 6:41 PM
Cloud cover
32%
2nd clearest
Wind
8 km/h
1st windiest
Solar energy
5.24 kWh/m²
Travel score
4.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical August day in São José dos Quatro Marcos reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 36°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53219
63219
73219
83219
93219
103219
113219
123220
133220
143220
153220
163220
173220
183320
193320
203320
213320
223320
233320
243321
253321
263321
273321
283321
293321
303321
313321

How August really feels in São José dos Quatro Marcos

Once humidity and wind are folded in, August averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São José dos Quatro Marcos weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20624.412.82.8
Feb31° / 23°20223.412.52.8
Mar31° / 23°17223.212.13.0
Apr31° / 22°9614.311.74.1
May29° / 20°447.411.35.7
Jun29° / 19°112.211.16.5
Jul30° / 18°91.611.26.4
Aug32° / 20°142.911.54.8
Sep34° / 22°457.711.93.5
Oct33° / 23°11416.412.42.9
Nov32° / 23°15819.912.72.9
Dec32° / 23°18324.312.92.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 18%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28218
38218
48119
58119
68119
78119
88119
98119
108119
118119
128119
138218
148218
158218
168218
178317
188317
198416
208317
218317
228317
238317
248317
258317
268218
278119
288119
298020
308020
318020

Chance of precipitation in August

Any precipitation

São José dos Quatro Marcos gets around 14 mm of rain over 2.9 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 9% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
66
76
86
96
107
117
128
138
148
159
169
179
1810
1910
2011
2111
2212
2312
2412
2512
2613
2713
2813
2913
3014
3114

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1153435151
2153435152
3153435152
4153434152
5153334152
6153334152
7163333163
8163333163
9163232164
10163232164
11163131174
12173131175
13173031175
14173031185
15172931185
16162932185
17162832195
18162732205
19162632215
20152532225
21152432235
22152332255
23142332265
24142232275
25142132285
26142131305
27132031314
28132031324
29131930335
30131929345
31121929355

Wind in August

Winds average 8 km/h in August, the windiest month of the year.

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

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 18 min at the start of August to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 7:20 AM to 7:02 AM, and sunset from 6:38 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:206:38
211.37:206:38
311.37:196:38
411.37:196:38
511.37:186:39
611.47:186:39
711.47:176:39
811.47:176:39
911.47:166:40
1011.47:166:40
1111.47:156:40
1211.47:156:40
1311.47:146:40
1411.47:146:41
1511.57:136:41
1611.57:136:41
1711.57:126:41
1811.57:116:41
1911.57:116:41
2011.57:106:42
2111.57:096:42
2211.67:096:42
2311.67:086:42
2411.67:076:42
2511.67:076:42
2611.67:066:43
2711.67:056:43
2811.67:056:43
2911.67:046:43
3011.77:036:43
3111.77:026:43

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.92 kWh/m² in October across the year — August's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for São José dos Quatro Marcos

In seasonPeak

None of São José dos Quatro Marcos'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 José dos Quatro Marcos's monsoon runs October–April, 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 José dos Quatro Marcos?

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

4.8
Sightseeing
4th-best month of the year
7.9
Beach & pool
3rd-best month of the year

August is a reasonable time to visit São José dos Quatro Marcos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São José dos Quatro Marcos in August

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

In August, São José dos Quatro Marcos sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in São José dos Quatro Marcos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (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 José dos Quatro Marcos peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São José dos Quatro Marcos 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 José dos Quatro Marcos is worst in September — around 43 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1640 µg/m³Jul 97 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar9Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug21Moderate
Sep43Poor
Oct21Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is São José dos Quatro Marcos?

São José dos Quatro Marcos sits at 15.6°S, 58.2°W, 229 m above sea level, in Brazil. The nearest listed city is Mirassol d'Oeste, 11 km away.

Topography around São José dos Quatro Marcos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São José dos Quatro Marcos.

Within 3 km, the terrain around São José dos Quatro Marcos has only modest variations in elevation — a maximum elevation change of 74 m around an average of 223 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 253 m; within 80 km, significant variations in elevation — a maximum elevation change of 599 m.

The land around São José dos Quatro Marcos is covered by grassland (69%) within 3 km, grassland (68%) and trees (26%) within 16 km, and grassland (56%) and trees (38%) within 80 km.

3 km
74 m
16 km
253 m
80 km
599 m
treesgrasslandcroplandartificial surfaceswetland
August weather nearby: Mirassol d'Oeste 11 km · Lambari d'Oeste 38 km · Cáceres 73 km · Barra do Bugres 123 km · Pontes e Lacerda 132 km · Nova Olímpia 132 km · Tangará da Serra 134 km · Poconé 181 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 José dos Quatro Marcos (-15.6214°, -58.1764°, elevation 229 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).