Angra do Heroísmo weather in August

In August, Angra do Heroísmo sees average daytime highs of 22°C and overnight lows near 21°C, with 27 mm of rain across 5.2 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 46% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Angra do Heroísmo's 2nd-clearest and 11th-windiest month. For the whole year in context, see Angra do Heroísmo's year-round climate.

Daytime high
22°
1st warmest
Overnight low
21°
12th coldest
Rainfall
27 mm
5.2 wet days
Daylight
13 h 30 min
6:07 AM – 7:38 PM
Cloud cover
46%
2nd clearest
Wind
19 km/h
11th windiest
Solar energy
5.98 kWh/m²
Travel score
7.7
out of 10

Angra do Heroísmo is city seat of Angra do Heroísmo municipality, Azores, Portugal.

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 22°C through the month.

A typical August day in Angra do Heroísmo reaches about 22°C in the afternoon and slips back to 21°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12221
22221
32221
42221
52221
62221
72221
82221
92221
102221
112221
122221
132321
142321
152321
162321
172321
182321
192321
202321
212321
222321
232321
242321
252321
262321
272321
282221
292221
302221
312221

Angra do Heroísmo 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 daysDaylight (hours)Travel score
Jan16° / 15°7911.59.64.7
Feb15° / 14°6510.510.54.5
Mar15° / 14°7610.911.74.5
Apr16° / 14°609.7134.8
May17° / 16°517.814.15.7
Jun19° / 18°386.114.66.7
Jul21° / 20°193.614.47.7
Aug22° / 21°275.213.57.7
Sep22° / 21°458.312.36.9
Oct20° / 19°8711.9116.0
Nov18° / 17°679.69.95.7
Dec17° / 15°11913.99.34.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47426
57426
67426
77426
87426
97327
107327
117327
127228
137228
147228
157129
167129
177030
187030
196931
206832
216832
226832
236832
246832
256832
266733
276733
286733
296733
306634
316634

Chance of precipitation in August

Any precipitation

Angra do Heroísmo gets around 27 mm of rain over 5.2 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 17% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
215
315
415
515
614
714
814
914
1015
1115
1215
1316
1416
1516
1617
1717
1817
1918
2018
2119
2219
2320
2420
2521
2621
2721
2822
2922
3023
3123

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111331479
211331479
311331479
411331479
501331479
601331479
701331489
811231489
911230489
1011230489
1111230489
1211230489
13112294810
14112294810
15112294810
16112294810
17111294810
18111294810
19111304810
20110304811
21110314711
22110314711
23110324611
24110334511
25110344410
26110354410
27110364310
28110374310
2911037429
3011037429
3121137428

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:54 AM to 6:21 AM, and sunset from 7:56 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:547:56
214.05:557:55
314.05:567:54
413.95:577:53
513.95:577:52
613.95:587:51
713.85:597:50
813.86:007:48
913.86:017:47
1013.76:027:46
1113.76:037:45
1213.76:047:44
1313.66:057:42
1413.66:067:41
1513.66:077:40
1613.56:077:38
1713.56:087:37
1813.46:097:36
1913.46:107:34
2013.46:117:33
2113.36:127:32
2213.36:137:30
2313.26:147:29
2413.26:157:27
2513.26:167:26
2613.16:177:24
2713.16:187:23
2813.06:187:21
2913.06:197:20
3013.06:207:18
3112.96:217:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.98 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 6.64 kWh/m² in July across the year — August's 5.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Hazard calendar for Angra do Heroísmo

In seasonPeak

In August, Angra do Heroísmo sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Angra do Heroísmo sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Angra do Heroísmo?

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

7.7
Sightseeing
1st-best month of the year
5.6
Beach & pool
1st-best month of the year

August is one of the better times to visit Angra do Heroísmo for general sightseeing.

What to pack for Angra do Heroísmo in August

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

In August, Angra do Heroísmo sees daytime highs around 22°C and nights near 21°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Angra do Heroísmo in August

The nearest coast averages about 23°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 23°C and coldest in March near 16°C.

It's comfortable for a long swim from Jun 29 to Oct 27 — about 4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr16Cool
May17Cool
Jun19Cool
Jul21Refreshing
Aug23Refreshing
Sep22Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Angra do Heroísmo 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 Angra do Heroísmo peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateAug 10UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar5High
Apr6High
May9Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Angra do Heroísmo?

Angra do Heroísmo sits at 38.7°N, 27.2°W, 0 m above sea level, in Portugal. The nearest listed city is Ponta Delgada, 169 km away.

Ponta DelgadaCâmara de LobosSanto AntónioFunchalSão MartinhoCaniço

Topography around Angra do Heroísmo

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

Within 3 km, the terrain around Angra do Heroísmo has significant variations in elevation — a maximum elevation change of 294 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,026 m; within 80 km, large variations in elevation — a maximum elevation change of 1,019 m.

The land around Angra do Heroísmo is covered by water (46%) and trees (21%) within 3 km, water (55%) and grassland (22%) within 16 km, and water (94%) within 80 km.

3 km
294 m
16 km
1,026 m
80 km
1,019 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ponta Delgada 169 km · Câmara de Lobos 1,140 km · Santo António 1,142 km · Funchal 1,143 km · São Martinho 1,143 km · Caniço 1,150 km · Los Llanos de Aridane 1,404 km · Santa Cruz de la Palma 1,411 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 Angra do Heroísmo (38.6539°, -27.2184°, elevation 0 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).