Alcobaça weather in August

In August, Alcobaça sees average daytime highs of 25°C and overnight lows near 21°C, with 42 mm of rain across 10.3 wet days and about 11.4 hours of daylight. It is the 11th-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 muggy.

Daylight stretches from about 11 h 12 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Alcobaça's 2nd-clearest and 6th-windiest month. For the whole year in context, see Alcobaça's year-round climate.

Daytime high
25°
11th warmest
Overnight low
21°
1st coldest
Rainfall
42 mm
10.3 wet days
Daylight
11 h 24 min
5:59 AM – 5:23 PM
Cloud cover
45%
2nd clearest
Wind
14 km/h
6th windiest
Solar energy
4.34 kWh/m²
Travel score
7.0
out of 10

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 Alcobaça reaches about 25°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12520
22520
32520
42520
52520
62520
72520
82520
92520
102520
112520
122520
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312521

How August really feels in Alcobaça

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.

Alcobaça weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°7211.712.95.6
Feb29° / 24°5611.312.65.3
Mar29° / 24°11916.912.14.9
Apr28° / 24°9216.711.65.3
May27° / 23°801411.26.1
Jun26° / 21°5712.6116.5
Jul25° / 21°5313.911.16.6
Aug25° / 21°4210.311.47.0
Sep26° / 22°4810.111.96.9
Oct26° / 23°9912.812.46.3
Nov27° / 23°1581512.85.6
Dec28° / 24°11112.8135.7

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 29% of August, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27624
37624
47624
57525
67525
77525
87525
97525
107525
117426
127525
137525
147426
157525
167525
177426
187525
197525
207624
217624
227624
237723
247723
257723
267723
277723
287723
297723
307624
317624

Chance of precipitation in August

Any precipitation

Alcobaça gets around 42 mm of rain over 10.3 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
334
433
532
632
731
831
932
1032
1133
1233
1334
1435
1536
1636
1737
1837
1937
2037
2137
2236
2336
2435
2535
2634
2734
2833
2933
3033
3133

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1731602
2731602
3831592
4831592
5830602
6930592
7930583
8930583
9930583
101030573
111030573
12931573
13931573
14931573
15931573
16830593
17830602
18730612
19730603
20729613
21629623
22628633
23527653
24527653
25526654
26525664
27525664
28524665
29524665
30523666
31523666

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 12 min at the start of August to 11 h 36 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 6:07 AM to 5:48 AM, and sunset from 5:19 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:075:19
211.26:065:19
311.26:065:20
411.26:055:20
511.36:055:20
611.36:045:20
711.36:045:21
811.36:035:21
911.36:035:21
1011.36:025:22
1111.36:025:22
1211.36:015:22
1311.46:015:22
1411.46:005:23
1511.45:595:23
1611.45:595:23
1711.45:585:23
1811.45:575:23
1911.45:575:24
2011.55:565:24
2111.55:555:24
2211.55:555:24
2311.55:545:24
2411.55:535:25
2511.55:525:25
2611.65:525:25
2711.65:515:25
2811.65:505:25
2911.65:495:26
3011.65:495:26
3111.65:485:26

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.42 kWh/m² in January across the year — August's 4.34 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Is August a good time to visit Alcobaça?

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

7.0
Sightseeing
1st-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Alcobaça in August

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

In August, Alcobaça sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Alcobaça in August

The nearest coast averages about 24°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 14 km away) is warmest in April at about 27°C and coldest in August near 24°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr27Warm
May26Warm
Jun25Warm
Jul25Warm
Aug24Warm
Sep25Warm
Oct25Warm
Nov26Warm
Dec26Warm

UV index in Alcobaça 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 Alcobaça peaks around February 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 14UV 14Jun 21UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Alcobaça?

Alcobaça sits at 17.5°S, 39.2°W, 5 m above sea level, in Brazil. The nearest listed city is Prado, 20 km away.

Topography around Alcobaça

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

Within 3 km, the terrain around Alcobaça has only modest variations in elevation — a maximum elevation change of 21 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, significant variations in elevation — a maximum elevation change of 592 m.

The land around Alcobaça is covered by water (43%) within 3 km, water (48%), trees (25%) and grassland (21%) within 16 km, and water (46%), trees (29%) and grassland (23%) within 80 km.

3 km
21 m
16 km
72 m
80 km
592 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Prado 20 km · Nova Viçosa 45 km · Teixeira de Freitas 58 km · Itamaraju 64 km · Mucuri 73 km · Posto da Mata 81 km · Medeiros Neto 110 km · Itabela 112 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 Alcobaça (-17.5194°, -39.1956°, elevation 5 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).