Porto União weather in August

In August, Porto União sees average daytime highs of 21°C and overnight lows near 9°C, with 76 mm of rain across 7.4 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 11th-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 41% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Porto União's 1st-clearest and 5th-windiest month. For the whole year in context, see Porto União's year-round climate.

Daytime high
21°
9th warmest
Overnight low
3rd coldest
Rainfall
76 mm
7.4 wet days
Daylight
11 h 06 min
7:56 AM – 7:00 PM
Cloud cover
53%
1st clearest
Wind
8 km/h
5th windiest
Solar energy
3.78 kWh/m²
Travel score
6.9
out of 10

Porto União 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 Porto União reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1208
2208
3208
4208
5208
6208
7208
8208
9208
10208
11209
12209
13209
14209
15209
16219
17219
18219
19219
20219
21219
22219
23219
24219
252210
262210
272210
282210
292210
302210
312210

Porto União weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°15819.913.54.9
Feb26° / 17°14618.412.94.9
Mar26° / 16°10014.312.25.9
Apr23° / 14°739.311.46.8
May20° / 10°949.110.76.2
Jun19° / 958.910.46.1
Jul19° / 828.210.56.3
Aug21° / 767.411.16.9
Sep22° / 11°13710.811.86.4
Oct23° / 13°15214.612.65.9
Nov25° / 15°11513.613.36.1
Dec26° / 16°1381713.65.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55347
65347
75347
85347
95248
105149
115149
125149
135149
145248
155248
165347
175347
185347
195446
205545
215644
225644
235842
245842
255842
265842
275842
285842
295743
305743
315644

Chance of precipitation in August

Any precipitation

Porto União gets around 76 mm of rain over 7.4 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 24% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
323
423
523
624
724
824
924
1024
1124
1224
1325
1425
1525
1625
1725
1824
1924
2024
2124
2224
2324
2424
2524
2624
2724
2825
2925
3025
3125

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184160
283170
383170
483170
582171
682171
781181
881181
980191
1080191
1179201
1279201
1378211
1477221
1577221
1676231
1776231
1875241
1975241
2074251
2173261
2272271
2371281
2469292
2568302
2667312
2765323
2865323
2964333
3062344
3162344

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 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 36 minutes over August. Sunrise moves from 8:08 AM to 7:41 AM, and sunset from 6:53 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:086:53
210.88:076:54
310.88:066:54
410.88:066:55
510.88:056:55
610.98:046:56
710.98:046:56
810.98:036:57
910.98:026:57
1010.98:016:58
1111.08:016:58
1211.08:006:59
1311.07:596:59
1411.07:587:00
1511.07:577:00
1611.17:567:00
1711.17:557:01
1811.17:557:01
1911.17:547:02
2011.27:537:02
2111.27:527:03
2211.27:517:03
2311.27:507:04
2411.37:497:04
2511.37:487:05
2611.37:477:05
2711.37:467:06
2811.47:457:06
2911.47:447:06
3011.47:427:07
3111.47:417:07

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 2.61 kWh/m² to a high of 5.68 kWh/m² in December across the year — August's 3.78 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.9Moderate
213.9Moderate
223.9Moderate
234.0Moderate
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Porto União?

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

6.9
Sightseeing
1st-best month of the year
4.0
Beach & pool
9th-best month of the year

August is a reasonable time to visit Porto União for sightseeing.

What to pack for Porto União in August

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

In August, Porto União sees daytime highs around 21°C and nights near 9°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Porto União in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porto União peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep9Very high
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Porto União 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 Porto União is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1515 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug11Good
Sep16Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Porto União?

Porto União sits at 26.2°S, 51.1°W, 783 m above sea level, in Brazil. The nearest listed city is União da Vitória, 1.0 km away.

Topography around Porto União

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

Within 3 km, the terrain around Porto União has significant variations in elevation — a maximum elevation change of 251 m around an average of 761 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 536 m; within 80 km, large variations in elevation — a maximum elevation change of 800 m.

The land around Porto União is covered by artificial surfaces (39%) and trees (37%) within 3 km, trees (74%) within 16 km, and trees (76%) within 80 km.

3 km
251 m
16 km
536 m
80 km
800 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: União da Vitória 1.0 km · Cruz Machado 36 km · Bituruna 48 km · Caçador 60 km · Canoinhas 69 km · Três Barras 77 km · São Mateus do Sul 80 km · Pinhão 84 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 Porto União (-26.2381°, -51.0783°, elevation 783 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).