São Miguel weather in August

In August, São Miguel sees average daytime highs of 32°C and overnight lows near 20°C, with 7 mm of rain across 1 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 61% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is São Miguel's 2nd-clearest and 1st-windiest month. For the whole year in context, see São Miguel's year-round climate.

Daytime high
32°
6th warmest
Overnight low
20°
2nd coldest
Rainfall
7 mm
1 wet days
Daylight
11 h 48 min
5:44 AM – 5:32 PM
Cloud cover
35%
2nd clearest
Wind
15 km/h
1st windiest
Solar energy
6.16 kWh/m²
Travel score
5.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in São Miguel reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153220
163220
173220
183220
193220
203221
213221
223221
233221
243221
253321
263321
273321
283321
293321
303321
313321

How August really feels in São Miguel

Once humidity and wind are folded in, August averages 17 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
17
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 Miguel weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°12714.112.33.4
Feb31° / 22°14715.812.23.5
Mar31° / 22°19219.5123.6
Apr30° / 22°15617.611.93.9
May30° / 22°9111.611.74.7
Jun30° / 21°356.411.65.4
Jul31° / 20°203.511.75.6
Aug32° / 20°7111.85.1
Sep33° / 21°30.6124.3
Oct34° / 22°13112.13.7
Nov34° / 23°61.412.33.6
Dec34° / 23°284.812.43.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37624
47723
57822
67921
77921
88020
98020
108119
118119
128119
138119
148020
158020
168020
178020
188119
198119
208119
218119
228218
238218
248317
258416
268416
278416
288515
298614
308614
318614

Chance of precipitation in August

Any precipitation

São Miguel gets around 7 mm of rain over 1 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 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
35
45
55
65
74
84
94
104
114
123
133
143
153
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12365210
22365210
3237529
4237529
5237529
6337528
7338518
8338518
9339517
10339517
11340516
12340516
13341506
14342505
15343505
16343495
17344494
18245484
19246484
20246484
21247474
22247474
23248474
24248464
25249463
26249463
27249463
28249463
29249463
30249453
31249453

Wind in August

Winds average 15 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 15 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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light 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 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 5:48 AM to 5:38 AM, and sunset from 5:32 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:485:32
211.75:485:32
311.75:485:32
411.75:485:32
511.75:475:32
611.75:475:32
711.85:475:32
811.85:475:32
911.85:465:32
1011.85:465:32
1111.85:465:32
1211.85:465:32
1311.85:455:32
1411.85:455:32
1511.85:455:32
1611.85:445:32
1711.85:445:32
1811.85:445:32
1911.85:435:32
2011.85:435:32
2111.85:425:32
2211.85:425:31
2311.85:415:31
2411.85:415:31
2511.85:415:31
2611.85:405:31
2711.95:405:31
2811.95:395:31
2911.95:395:31
3011.95:385:30
3111.95:385:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.16 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 7.15 kWh/m² in October across the year — August's 6.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.4Intense
266.4Intense
276.4Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for São Miguel

In seasonPeak

None of São Miguel'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 Miguel'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 Miguel?

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

5.1
Sightseeing
3rd-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for São Miguel in August

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

In August, São Miguel sees daytime highs around 32°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in São Miguel 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 Miguel peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jul 16UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São Miguel?

São Miguel sits at 6.2°S, 38.5°W, 682 m above sea level, in Brazil. The nearest listed city is Pereiro, 19 km away.

Topography around São Miguel

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

Within 3 km, the terrain around São Miguel has significant variations in elevation — a maximum elevation change of 263 m around an average of 658 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 675 m; within 80 km, large variations in elevation — a maximum elevation change of 818 m.

The land around São Miguel is covered by shrubs (45%) and grassland (34%) within 3 km, shrubs (55%) and grassland (23%) within 16 km, and shrubs (59%) and grassland (29%) within 80 km.

3 km
263 m
16 km
675 m
80 km
818 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Pereiro 19 km · Pau dos Ferros 34 km · Jaguaribe 38 km · Icó 46 km · Orós 46 km · São João do Rio do Peixe 58 km · Sousa 68 km · Jaguaretama 73 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 Miguel (-6.2119°, -38.4969°, elevation 682 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. 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).