Santo Ângelo weather in August

In August, Santo Ângelo sees average daytime highs of 22°C and overnight lows near 12°C, with 104 mm of rain across 8.6 wet days and about 11 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 46% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Santo Ângelo's 1st-clearest and 2nd-windiest month. For the whole year in context, see Santo Ângelo's year-round climate.

Daytime high
22°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
104 mm
8.6 wet days
Daylight
11 hours
8:12 AM – 7:11 PM
Cloud cover
47%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
3.78 kWh/m²
Travel score
7.1
out of 10

Santo Ângelo 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

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical August day in Santo Ângelo reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 29°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62111
72211
82211
92211
102212
112212
122212
132212
142212
152212
162212
172212
182312
192312
202312
212312
222312
232312
242312
252313
262313
272313
282313
292313
302313
312313

How August really feels in Santo Ângelo

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.

Santo Ângelo weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°16714.313.64.3
Feb30° / 20°15714134.5
Mar29° / 19°13511.612.25.4
Apr26° / 16°16910.111.36.7
May22° / 13°1519.310.66.9
Jun20° / 12°1439.810.26.4
Jul20° / 10°1579.710.46.5
Aug22° / 12°1048.6117.1
Sep24° / 14°15910.611.86.9
Oct26° / 16°23613.512.76.1
Nov29° / 17°1621113.45.6
Dec30° / 19°17912.813.84.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35743
45743
55743
65743
75644
85644
95644
105743
115743
125743
135743
145743
155743
165743
175842
185842
195842
205842
215842
225842
235941
245842
255842
265644
275644
285644
295545
305545
315545

Chance of precipitation in August

Any precipitation

Santo Ângelo gets around 104 mm of rain over 8.6 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2028
2128
2228
2329
2429
2529
2629
2730
2830
2930
3030
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16027130
26027130
36027130
45927140
55927140
65828140
75828140
85828140
95729140
105729140
115729140
125630140
135630140
145531140
155531140
165432140
175332150
185233150
195233150
205133160
215133160
224933171
234833171
244833181
254732192
264732192
274731202
284631202
294631213
304630213
314630223

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 13 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
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 36 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 8:24 AM to 7:56 AM, and sunset from 7:02 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:247:02
210.78:237:03
310.78:237:03
410.78:227:04
510.78:217:05
610.78:207:05
710.88:207:06
810.88:197:06
910.88:187:07
1010.88:177:07
1110.98:167:08
1210.98:157:08
1310.98:147:09
1410.98:147:10
1511.08:137:10
1611.08:127:11
1711.08:117:11
1811.08:107:12
1911.18:097:12
2011.18:087:13
2111.18:077:13
2211.18:067:14
2311.28:057:14
2411.28:047:15
2511.28:027:15
2611.28:017:16
2711.38:007:16
2811.37:597:17
2911.37:587:17
3011.47:577:18
3111.47:567:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.78 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.65 kWh/m² in December across the year — August's 3.78 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.9Moderate
203.9Moderate
213.9Moderate
224.0Moderate
234.0Moderate
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Santo Ângelo?

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

7.1
Sightseeing
1st-best month of the year
5.0
Beach & pool
9th-best month of the year

August is one of the better times to visit Santo Ângelo for general sightseeing.

What to pack for Santo Ângelo in August

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

In August, Santo Ângelo sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Santo Ângelo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Ângelo peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme

Air quality in Santo Ângelo 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 Santo Ângelo is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1515 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May6Good
Jun7Good
Jul7Good
Aug10Good
Sep15Moderate
Oct9Good
Nov6Good
Dec6Good
Location & terrain

Where is Santo Ângelo?

Santo Ângelo sits at 28.3°S, 54.3°W, 295 m above sea level, in Brazil. The nearest listed city is Giruá, 31 km away.

Topography around Santo Ângelo

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

Within 3 km, the terrain around Santo Ângelo has only modest variations in elevation — a maximum elevation change of 122 m around an average of 254 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 481 m.

The land around Santo Ângelo is covered by artificial surfaces (42%) and trees (33%) within 3 km, cropland (58%) and trees (29%) within 16 km, and cropland (69%) and trees (20%) within 80 km.

3 km
122 m
16 km
241 m
80 km
481 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Giruá 31 km · Ijuí 35 km · Santa Rosa 52 km · Três de Maio 59 km · Santo Cristo 66 km · São Luiz Gonzaga 69 km · Panambi 75 km · Cruz Alta 75 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 Santo Ângelo (-28.2992°, -54.2631°, 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. 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).