São Caetano de Odivelas weather in August

In August, São Caetano de Odivelas sees average daytime highs of 29°C and overnight lows near 25°C, with 33 mm of rain across 10.7 wet days and about 12 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 62% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is São Caetano de Odivelas's 2nd-clearest and 5th-windiest month. For the whole year in context, see São Caetano de Odivelas's year-round climate.

Daytime high
29°
4th warmest
Overnight low
25°
8th coldest
Rainfall
33 mm
10.7 wet days
Daylight
12 hours
6:17 AM – 6:15 PM
Cloud cover
39%
2nd clearest
Wind
16 km/h
5th windiest
Solar energy
5.86 kWh/m²
Travel score
5.5
out of 10

São Caetano de Odivelas 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 29°C through the month.

A typical August day in São Caetano de Odivelas reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How August really feels in São Caetano de Odivelas

Once humidity and wind are folded in, August averages 31 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
31
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 Caetano de Odivelas weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°26228.1123.5
Feb28° / 25°35827.1123.4
Mar28° / 25°46130.6123.3
Apr28° / 25°41229.5123.2
May28° / 25°28327.8123.4
Jun29° / 25°12823.5123.9
Jul29° / 25°8220.3124.5
Aug29° / 25°3310.7125.5
Sep30° / 26°133.6126.2
Oct30° / 26°123.3126.1
Nov30° / 26°235.8125.6
Dec29° / 25°9216.6124.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 27% of August, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28812
38812
48812
58812
68812
78911
88911
98911
108911
118911
128911
138911
148911
158911
168911
178911
188911
198911
208911
218911
228911
238911
248911
259010
269010
279010
288911
298911
308911
318911

Chance of precipitation in August

Any precipitation

São Caetano de Odivelas gets around 33 mm of rain over 10.7 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 35% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
247
346
446
545
644
743
843
942
1041
1141
1240
1339
1439
1538
1637
1736
1835
1933
2032
2131
2229
2328
2427
2526
2624
2723
2822
2921
3020
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1928
2928
3928
4928
5928
6928
7928
8937
9937
10937
11937
12937
13937
14937
15937
16937
17937
18937
19946
20946
21946
22955
23955
24964
25964
26964
27973
28973
29973
30982
31982

Wind in August

Winds average 16 km/h in August.

Across August, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 hours at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:19 AM to 6:13 AM, and sunset from 6:17 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:17
212.06:196:17
312.06:196:17
412.06:196:17
512.06:196:17
612.06:196:17
712.06:196:17
812.06:186:17
912.06:186:17
1012.06:186:16
1112.06:186:16
1212.06:186:16
1312.06:186:16
1412.06:176:16
1512.06:176:16
1612.06:176:15
1712.06:176:15
1812.06:166:15
1912.06:166:15
2012.06:166:15
2112.06:166:14
2212.06:156:14
2312.06:156:14
2412.06:156:14
2512.06:156:13
2612.06:146:13
2712.06:146:13
2812.06:146:13
2912.06:136:12
3012.06:136:12
3112.06:136:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.36 kWh/m² in October across the year — August's 5.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Bright
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for São Caetano de Odivelas

In seasonPeak

None of São Caetano de Odivelas'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 Caetano de Odivelas's monsoon runs January–May, 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 Caetano de Odivelas?

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

5.5
Sightseeing
4th-best month of the year
7.2
Beach & pool
4th-best month of the year

August is a reasonable time to visit São Caetano de Odivelas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Caetano de Odivelas in August

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

In August, São Caetano de Odivelas sees daytime highs around 29°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near São Caetano de Odivelas in August

The nearest coast averages about 29°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 18 km away) is warmest in June at about 29°C and coldest in February near 28°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct28Tropical
Nov28Tropical
Dec29Tropical

UV index in São Caetano de Odivelas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (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 Caetano de Odivelas peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in São Caetano de Odivelas 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 Caetano de Odivelas is worst in February — around 23 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2023 µg/m³Jul 148 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb23Moderate
Mar22Moderate
Apr17Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct12Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is São Caetano de Odivelas?

São Caetano de Odivelas sits at 0.8°S, 48.0°W, 8 m above sea level, in Brazil. The nearest listed city is Vigia, 18 km away.

Topography around São Caetano de Odivelas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Caetano de Odivelas.

Within 3 km, the terrain around São Caetano de Odivelas has only modest variations in elevation — a maximum elevation change of 33 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 68 m.

The land around São Caetano de Odivelas is covered by mangroves (53%) and trees (25%) within 3 km, trees (44%), water (28%) and mangroves (21%) within 16 km, and water (42%) and trees (37%) within 80 km.

3 km
33 m
16 km
56 m
80 km
68 m
treesgrasslandartificial surfaceswaterwetlandmangroves
August weather nearby: Vigia 18 km · Curuçá 19 km · Marapanim 36 km · Santo Antônio do Tauá 46 km · Salvaterra 55 km · Soure 56 km · Santa Bárbara do Pará 61 km · Igarapé-Açu 61 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 Caetano de Odivelas (-0.75°, -48.02°, elevation 8 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).