Osório weather in August

In August, Osório sees average daytime highs of 19°C and overnight lows near 13°C, with 113 mm of rain across 10 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of August to 11 h 18 min by month's end. Set against the rest of the year, August is Osório's 1st-clearest and 6th-windiest month. For the whole year in context, see Osório's year-round climate.

Daytime high
19°
10th warmest
Overnight low
13°
2nd coldest
Rainfall
113 mm
10 wet days
Daylight
10 h 54 min
7:58 AM – 6:53 PM
Cloud cover
54%
1st clearest
Wind
15 km/h
6th windiest
Solar energy
3.45 kWh/m²
Travel score
6.3
out of 10

Osório is Río Grande del Sur.

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 19°C through the month.

A typical August day in Osório reaches about 19°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11912
21912
31912
41912
51912
61912
71912
81912
91912
101912
111912
121912
131912
141912
151912
161913
172013
182013
192013
202013
212013
222013
232013
242013
252013
262013
272013
282013
292013
302013
312013

Osório weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 21°12413.413.76.0
Feb27° / 21°10613.213.15.8
Mar26° / 20°11512.212.26.4
Apr24° / 18°889.411.37.0
May21° / 15°1099.910.56.5
Jun19° / 13°1029.210.16.2
Jul18° / 12°1259.910.36.0
Aug19° / 13°1131010.96.3
Sep20° / 14°13811.311.86.0
Oct22° / 16°15212.612.76.2
Nov24° / 18°10810.813.56.8
Dec26° / 20°11111.513.96.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
35050
44951
54951
64951
74951
84951
95149
105050
115050
125149
135149
145149
155149
165248
175347
185347
195347
205347
215446
225347
235347
245347
255347
265248
275248
285149
295050
305050
314951

Chance of precipitation in August

Any precipitation

Osório gets around 113 mm of rain over 10 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
432
532
632
732
832
932
1032
1133
1233
1333
1433
1533
1633
1733
1833
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
3132

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15732110
25633110
35533111
45533111
55533111
65434111
75434111
85434111
95235121
105235121
115235121
125036131
135036131
144936141
154836141
164836151
174736161
184636171
194536181
204536191
214435201
224335211
234335221
244234221
254234231
264134241
274133242
284133252
294033252
303933252
313934262

Wind in August

Winds average 15 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
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 10 h 30 min at the start of August to 11 h 18 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 8:11 AM to 7:41 AM, and sunset from 6:43 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.58:116:43
210.68:106:44
310.68:096:45
410.68:096:45
510.68:086:46
610.78:076:47
710.78:066:47
810.78:056:48
910.78:046:48
1010.88:046:49
1110.88:036:50
1210.88:026:50
1310.88:016:51
1410.98:006:51
1510.97:596:52
1610.97:586:53
1710.97:576:53
1811.07:566:54
1911.07:556:54
2011.07:546:55
2111.07:536:56
2211.17:516:56
2311.17:506:57
2411.17:496:57
2511.27:486:58
2611.27:476:58
2711.27:466:59
2811.27:457:00
2911.37:437:00
3011.37:427:01
3111.37:417:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.45 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 6.6 kWh/m² in December across the year — August's 3.45 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Osório?

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

6.3
Sightseeing
6th-best month of the year
2.9
Beach & pool
10th-best month of the year

August is a reasonable time to visit Osório for sightseeing.

What to pack for Osório in August

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

In August, Osório sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Osório in August

The nearest coast averages about 16°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 30 km away) is warmest in February at about 25°C and coldest in August near 16°C.

It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar24Warm
Apr23Refreshing
May20Refreshing
Jun18Cool
Jul16Cool
Aug16Cool
Sep17Cool
Oct19Cool
Nov20Refreshing
Dec23Refreshing

UV index in Osório 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 Osório peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 17UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Osório 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 Osório is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1815 µg/m³Feb 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Osório?

Osório sits at 29.9°S, 50.3°W, 18 m above sea level, in Brazil. The nearest listed city is Imbé, 17 km away.

Topography around Osório

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

Within 3 km, the terrain around Osório has significant variations in elevation — a maximum elevation change of 391 m around an average of 95 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 696 m; within 80 km, large variations in elevation — a maximum elevation change of 1,050 m.

The land around Osório is covered by trees (45%), grassland (25%) and artificial surfaces (24%) within 3 km, trees (36%), grassland (25%) and water (23%) within 16 km, and trees (32%), water (32%) and grassland (22%) within 80 km.

3 km
391 m
16 km
696 m
80 km
1,050 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Imbé 17 km · Tramandaí 17 km · Xangri-lá 24 km · Santo Antônio da Patrulha 25 km · Capão da Canoa 30 km · Cidreira 33 km · Rolante 40 km · Taquara 56 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 Osório (-29.8867°, -50.2697°, elevation 18 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).