Porto União weather in April

In April, Porto União sees average daytime highs of 23°C and overnight lows near 14°C, with 73 mm of rain across 9.3 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 20% of the time in April, and the air most often feels humid.

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

Daytime high
23°
6th warmest
Overnight low
14°
7th coldest
Rainfall
73 mm
9.3 wet days
Daylight
11 h 24 min
7:43 AM – 7:06 PM
Cloud cover
66%
5th clearest
Wind
8 km/h
10th windiest
Solar energy
3.76 kWh/m²
Travel score
6.8
out of 10

Porto União is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical April day in Porto União reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, April runs about 2°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12515
22515
32515
42415
52415
62415
72415
82414
92414
102414
112414
122414
132414
142414
152414
162313
172313
182313
192313
202313
212313
222313
232313
242213
252212
262212
272212
282212
292212
302212

Porto União weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23268
33367
43466
53466
63466
73466
83664
93664
103763
113763
123862
133961
143961
153862
163961
173961
183862
193862
203862
213961
223862
233862
243862
253862
263862
273862
283862
293862
303862

Chance of precipitation in April

Any precipitation

Porto União gets around 73 mm of rain over 9.3 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
336
435
534
633
733
832
931
1031
1131
1230
1330
1430
1531
1631
1731
1831
1931
2031
2131
2230
2330
2430
2529
2629
2728
2828
2928
3027

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
111294415
212294415
313294414
413294413
514294413
615294312
716294312
817294311
919294210
1020294210
112129419
122229418
132329408
142430407
152530397
162531386
172631375
182732375
192832364
202933354
213033343
223134323
233234313
243334302
253535282
263635272
273835252
283936241
294036221
304236211

Wind in April

Winds average 8 km/h in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over April. Sunrise moves from 7:36 AM to 7:50 AM, and sunset from 7:22 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:367:22
211.77:367:21
311.77:377:20
411.77:377:19
511.77:387:18
611.67:387:17
711.67:397:15
811.67:397:14
911.67:407:13
1011.57:407:12
1111.57:417:11
1211.57:417:10
1311.57:427:09
1411.47:427:08
1511.47:437:07
1611.47:437:06
1711.47:447:05
1811.37:447:04
1911.37:457:03
2011.37:457:02
2111.37:467:01
2211.27:467:00
2311.27:476:59
2411.27:476:58
2511.27:486:57
2611.17:486:56
2711.17:496:56
2811.17:496:55
2911.17:506:54
3011.07:506:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.76 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 — April's 3.76 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Moderate
84.0Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.4Moderate
Planning a trip in April

Is April a good time to visit Porto União?

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

6.8
Sightseeing
2nd-best month of the year
5.4
Beach & pool
3rd-best month of the year

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

What to pack for Porto União in April

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

In April, Porto União sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Porto União in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).