Uruguaiana weather in August

In August, Uruguaiana sees average daytime highs of 21°C and overnight lows near 11°C, with 89 mm of rain across 7.9 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 48% 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 18 min by month's end. Set against the rest of the year, August is Uruguaiana's 1st-clearest and 3rd-windiest month. For the whole year in context, see Uruguaiana's year-round climate.

Daytime high
21°
10th warmest
Overnight low
11°
3rd coldest
Rainfall
89 mm
7.9 wet days
Daylight
10 h 54 min
8:25 AM – 7:20 PM
Cloud cover
46%
1st clearest
Wind
14 km/h
3rd windiest
Solar energy
3.71 kWh/m²
Travel score
7.1
out of 10

Uruguaiana 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 20°C in the first days to 22°C by the end.

A typical August day in Uruguaiana reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°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)
12010
22010
32010
42010
52010
62010
72111
82111
92111
102111
112111
122111
132111
142111
152111
162111
172211
182211
192211
202211
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212
312212

How August really feels in Uruguaiana

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.

Uruguaiana 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
Jan32° / 21°13910.413.74.3
Feb31° / 21°12710.313.14.7
Mar29° / 19°1249.212.25.8
Apr26° / 16°1779.511.37.0
May22° / 13°1157.810.57.0
Jun19° / 11°1138.510.16.4
Jul19° / 10°1037.510.36.6
Aug21° / 11°897.910.97.1
Sep23° / 13°1268.911.87.1
Oct26° / 15°18910.712.76.7
Nov28° / 17°1368.413.56.3
Dec31° / 20°1359.313.94.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45743
55743
65743
75743
85842
95842
105842
115842
125941
135941
145941
155941
166040
176040
186040
196040
206040
216040
226040
236040
246040
255941
265941
275842
285842
295743
305743
315644

Chance of precipitation in August

Any precipitation

Uruguaiana gets around 89 mm of rain over 7.9 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 25% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
524
624
724
824
924
1024
1124
1224
1324
1424
1524
1624
1724
1824
1924
2024
2125
2226
2326
2427
2528
2628
2729
2829
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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16819112
26819112
36720112
46720112
56620122
66620122
76620122
86521122
96521122
106521122
116621121
126621121
136621121
146521131
156422131
166422131
176322141
186322141
196322141
206222151
216022162
226022162
235922172
245922172
255921182
265721193
275721193
285621203
295620204
305620204
315520214

Wind in August

Winds average 14 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
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light 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 36 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 42 minutes over August. Sunrise moves from 8:38 AM to 8:08 AM, and sunset from 7:11 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:387:11
210.68:377:12
310.68:367:12
410.68:367:13
510.68:357:13
610.78:347:14
710.78:337:15
810.78:327:15
910.78:317:16
1010.88:317:16
1110.88:307:17
1210.88:297:18
1310.88:287:18
1410.98:277:19
1510.98:267:19
1610.98:257:20
1710.98:247:21
1811.08:237:21
1911.08:227:22
2011.08:217:22
2111.18:207:23
2211.18:197:24
2311.18:177:24
2411.18:167:25
2511.28:157:25
2611.28:147:26
2711.28:137:26
2811.38:127:27
2911.38:117:27
3011.38:097:28
3111.38:087:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.71 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.99 kWh/m² in December across the year — August's 3.71 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Bright
304.0Bright
314.0Bright
Planning a trip in August

Is August a good time to visit Uruguaiana?

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
4.5
Beach & pool
10th-best month of the year

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

What to pack for Uruguaiana in August

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

In August, Uruguaiana sees daytime highs around 21°C and nights near 11°C. Little to plan around — just the basics. About 8 days see rain.

UV index in Uruguaiana 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 Uruguaiana peaks around January 24 at about 13 (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 highModerateHighVery highVery highExtremeJan 24UV 13Jun 21UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Uruguaiana?

Uruguaiana sits at 29.8°S, 57.1°W, 79 m above sea level, in Brazil. The nearest listed city is Paso de los Libres, 5.0 km away.

Topography around Uruguaiana

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

Within 3 km, the terrain around Uruguaiana has only modest variations in elevation — a maximum elevation change of 40 m around an average of 55 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, significant variations in elevation — a maximum elevation change of 255 m.

The land around Uruguaiana is covered by artificial surfaces (36%) and water (25%) within 3 km, grassland (40%) within 16 km, and grassland (66%) within 80 km.

3 km
40 m
16 km
96 m
80 km
255 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Paso de los Libres 5.0 km · Monte Caseros 76 km · Itaqui 87 km · Curuzú Cuatiá 93 km · Quaraí 93 km · Artigas 94 km · Mercedes 115 km · Alegrete 125 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 Uruguaiana (-29.7547°, -57.0883°, elevation 79 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).