Cabeceiras de Basto weather in August

In August, Cabeceiras de Basto sees average daytime highs of 26°C and overnight lows near 14°C, with 37 mm of rain across 4.7 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 65% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Cabeceiras de Basto's 2nd-clearest and 10th-windiest month. For the whole year in context, see Cabeceiras de Basto's year-round climate.

Daytime high
26°
1st warmest
Overnight low
14°
12th coldest
Rainfall
37 mm
4.7 wet days
Daylight
13 h 42 min
5:46 AM – 7:27 PM
Cloud cover
32%
2nd clearest
Wind
8 km/h
10th windiest
Solar energy
6.39 kWh/m²
Travel score
8.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Cabeceiras de Basto reaches about 26°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12614
22615
32615
42615
52615
62614
72614
82614
92614
102614
112614
122614
132614
142614
152614
162614
172614
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312514

Cabeceiras de Basto weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 19012.70.99.32.1
Feb12° / 1239.80.910.32.9
Mar14° / 14011.40.211.74.1
Apr16° / 13113.30.113.14.5
May19° / 10712.6014.35.7
Jun22° / 12°517.4014.97.3
Jul25° / 14°284.4014.78.2
Aug26° / 14°374.7013.78.1
Sep22° / 12°757.3012.37.4
Oct18° / 10°19212.7010.95.3
Nov13° / 18413.10.29.73.3
Dec10° / 20212.60.49.12.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% 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 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28119
38119
48119
58119
67921
77921
87921
97822
107723
117723
127723
137723
147723
157723
167624
177624
187624
197624
207525
217624
227624
237624
247624
257624
267525
277525
287525
297525
307525
317525

Chance of precipitation in August

Any precipitation

Cabeceiras de Basto gets around 37 mm of rain over 4.7 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 15% and peaks near 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
914
1014
1114
1214
1314
1415
1515
1615
1715
1816
1916
2016
2117
2217
2317
2418
2518
2618
2718
2818
2919
3019
3119

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1394813
2404812
3414712
4414712
5424612
6434611
7434611
8434611
9434611
10434610
11444610
12444610
13444610
14444610
1544479
1644479
1744479
18444710
19444710
20444710
21444610
22444610
2345469
2446459
2547458
2648448
2749447
2850437
2951436
3052426
3153425

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 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
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:30 AM to 6:01 AM, and sunset from 7:46 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:307:46
214.25:317:45
314.25:327:44
414.25:337:42
514.15:347:41
614.15:357:40
714.05:367:39
814.05:377:37
914.05:387:36
1013.95:397:35
1113.95:407:34
1213.85:417:32
1313.85:427:31
1413.85:447:29
1513.75:457:28
1613.75:467:27
1713.65:477:25
1813.65:487:24
1913.65:497:22
2013.55:507:21
2113.55:517:19
2213.45:527:17
2313.45:537:16
2413.35:547:14
2513.35:557:13
2613.25:567:11
2713.25:577:09
2813.25:587:08
2913.15:597:06
3013.16:007:04
3113.06:017:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.39 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.19 kWh/m² in July across the year — August's 6.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
36.9Intense
46.9Intense
56.8Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.6Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Bright
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in August

Hazard calendar for Cabeceiras de Basto

In seasonPeak

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

Cabeceiras de Basto's rainy season runs October–May, when most of the year's rain falls.

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

Is August a good time to visit Cabeceiras de Basto?

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

8.1
Sightseeing
2nd-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Cabeceiras de Basto in August

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

In August, Cabeceiras de Basto sees daytime highs around 26°C and nights near 14°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

Sea temperature near Cabeceiras de Basto in August

The nearest coast averages about 17°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 68 km away) is warmest in September at about 17°C and coldest in February near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr14Bracing
May16Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov16Cool
Dec14Bracing

UV index in Cabeceiras de Basto 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 Cabeceiras de Basto peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 12UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Cabeceiras de Basto 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 Cabeceiras de Basto is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2425 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Moderate
May8Good
Jun9Good
Jul9Good
Aug25Moderate
Sep24Moderate
Oct18Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Cabeceiras de Basto?

Cabeceiras de Basto sits at 41.5°N, 8.0°W, 295 m above sea level, in Portugal. The nearest listed city is Fafe, 17 km away.

Topography around Cabeceiras de Basto

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

Within 3 km, the terrain around Cabeceiras de Basto has significant variations in elevation — a maximum elevation change of 452 m around an average of 358 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,159 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,517 m.

The land around Cabeceiras de Basto is covered by trees (55%) and grassland (34%) within 3 km, trees (53%) and grassland (43%) within 16 km, and trees (44%) and grassland (40%) within 80 km.

3 km
452 m
16 km
1,159 m
80 km
1,517 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Fafe 17 km · Felgueiras 24 km · Guimarães 27 km · Vila Real 31 km · Bairro Novo 35 km · Braga 36 km · Baião 39 km · Paredes 45 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 2%

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 Cabeceiras de Basto (41.5143°, -7.9894°, elevation 295 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).