Porto Seguro weather in August

In August, Porto Seguro sees average daytime highs of 25°C and overnight lows near 22°C, with 53 mm of rain across 12.8 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 11th-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 muggy.

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 Porto Seguro's 2nd-clearest and 6th-windiest month. For the whole year in context, see Porto Seguro's year-round climate.

Daytime high
25°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
53 mm
12.8 wet days
Daylight
11 h 24 min
5:57 AM – 5:24 PM
Cloud cover
46%
2nd clearest
Wind
14 km/h
6th windiest
Solar energy
4.48 kWh/m²
Travel score
6.7
out of 10

Porto Seguro 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 Porto Seguro reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72521
82521
92521
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222522
232522
242522
252522
262522
272522
282522
292522
302522
312522

How August really feels in Porto Seguro

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.

Porto Seguro weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°7014.812.95.7
Feb28° / 25°6414.712.65.2
Mar28° / 25°11318.812.15.0
Apr27° / 24°11518.811.65.2
May26° / 23°9616.811.25.8
Jun25° / 22°7315.6116.1
Jul25° / 22°6716.711.16.2
Aug25° / 22°5312.811.46.7
Sep25° / 22°5111.111.96.8
Oct26° / 23°9613.112.46.3
Nov27° / 24°15815.612.85.6
Dec27° / 24°11013.9135.8

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 30% of August, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37525
47525
57525
67426
77327
87327
97327
107228
117228
127129
137129
147129
157129
167129
177228
187228
197327
207327
217426
227426
237525
247525
257624
267624
277624
287624
297624
307624
317624

Chance of precipitation in August

Any precipitation

Porto Seguro gets around 53 mm of rain over 12.8 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 43% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
245
344
443
542
641
741
841
941
1041
1142
1243
1343
1444
1545
1645
1746
1846
1946
2045
2145
2244
2344
2443
2543
2642
2741
2841
2940
3040
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1017758
2018748
3018748
4118738
5119728
6119728
7120718
8120718
9121708
10121708
11121708
12121708
13121717
14121717
15120727
16120727
17119737
18118747
19118747
20117757
21016768
22015778
23014779
24013789
250127810
261117711
271117711
281117612
291117513
301117513
311117414

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 6:05 AM to 5:46 AM, and sunset from 5:20 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:055:20
211.36:045:20
311.36:045:21
411.36:035:21
511.36:035:21
611.36:025:21
711.36:025:22
811.36:025:22
911.46:015:22
1011.46:015:22
1111.46:005:23
1211.45:595:23
1311.45:595:23
1411.45:585:23
1511.45:585:23
1611.45:575:24
1711.55:565:24
1811.55:565:24
1911.55:555:24
2011.55:545:24
2111.55:545:25
2211.55:535:25
2311.55:525:25
2411.65:525:25
2511.65:515:25
2611.65:505:25
2711.65:505:26
2811.65:495:26
2911.65:485:26
3011.65:475:26
3111.75:465:26

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 6.46 kWh/m² in January across the year — August's 4.48 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Porto Seguro?

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

6.7
Sightseeing
2nd-best month of the year
5.8
Beach & pool
6th-best month of the year

August is a reasonable time to visit Porto Seguro for sightseeing.

What to pack for Porto Seguro in August

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

In August, Porto Seguro sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Porto Seguro in August

The nearest coast averages about 25°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 22 km away) is warmest in April at about 28°C and coldest in August near 25°C.

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

24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep25Warm
Oct25Warm
Nov26Warm
Dec26Warm

UV index in Porto Seguro 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 Porto Seguro peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 22UV 7
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Porto Seguro?

Porto Seguro sits at 16.4°S, 39.1°W, 4 m above sea level, in Brazil. The nearest listed city is Santa Cruz Cabrália, 20 km away.

Topography around Porto Seguro

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

Within 3 km, the terrain around Porto Seguro has only modest variations in elevation — a maximum elevation change of 61 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 761 m.

The land around Porto Seguro is covered by water (46%) within 3 km, water (46%) and trees (38%) within 16 km, and trees (40%), water (33%) and grassland (25%) within 80 km.

3 km
61 m
16 km
109 m
80 km
761 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Santa Cruz Cabrália 20 km · Itabela 54 km · Eunápolis 56 km · Belmonte 68 km · Guaratinga 78 km · Itamaraju 82 km · Canavieiras 87 km · Prado 101 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 Porto Seguro (-16.4497°, -39.0647°, elevation 4 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).