União da Vitória weather in May

In May, União da Vitória sees average daytime highs of 20°C and overnight lows near 10°C, with 94 mm of rain across 9.1 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 30 min by month's end. Set against the rest of the year, May is União da Vitória's 6th-clearest and 9th-windiest month. For the whole year in context, see União da Vitória's year-round climate.

Daytime high
20°
10th warmest
Overnight low
10°
4th coldest
Rainfall
94 mm
9.1 wet days
Daylight
10 h 42 min
7:59 AM – 6:42 PM
Cloud cover
67%
6th clearest
Wind
8 km/h
9th windiest
Solar energy
2.89 kWh/m²
Travel score
6.2
out of 10

União da Vitória is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical May day in União da Vitória reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, May runs about 4°C cooler than April and about 1°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12212
22111
32111
42111
52111
62111
72111
82111
92011
102011
112011
122010
132010
142010
152010
162010
171910
181910
191910
201910
211910
221910
231910
24199
25199
26199
27199
28199
29199
30199
31199

União da Vitória weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33763
43763
53763
63763
73763
83565
93565
103565
113565
123565
133565
143466
153466
163466
173466
183664
193664
203763
213763
223763
233862
243763
253862
263961
273961
284060
294159
304159
314159

Chance of precipitation in May

Any precipitation

União da Vitória gets around 94 mm of rain over 9.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
425
525
625
726
826
926
1027
1127
1227
1328
1428
1529
1629
1730
1830
1931
2031
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
3132

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14336191
24536181
34736171
44836151
54936141
65036131
75236120
85336110
95436100
10553690
11553690
12563680
13563680
14573670
15583570
16583570
17593470
18603370
19613270
20613270
21623170
22633070
23642970
24652870
25652870
26672760
27672760
28682660
29682660
30692560
31692560

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
37calm
47calm
57calm
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 May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:51 AM to 8:07 AM, and sunset from 6:52 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:516:52
211.07:516:51
311.07:526:51
411.07:526:50
510.97:536:49
610.97:546:48
710.97:546:48
810.97:556:47
910.97:556:46
1010.87:566:46
1110.87:566:45
1210.87:576:44
1310.87:576:44
1410.87:586:43
1510.77:586:43
1610.77:596:42
1710.78:006:42
1810.78:006:41
1910.78:016:41
2010.68:016:40
2110.68:026:40
2210.68:026:39
2310.68:036:39
2410.68:036:39
2510.68:046:38
2610.68:046:38
2710.58:056:38
2810.58:056:37
2910.58:066:37
3010.58:066:37
3110.58:076:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.89 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 — May's 2.89 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit União da Vitória?

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

6.2
Sightseeing
5th-best month of the year
3.2
Beach & pool
10th-best month of the year

May is a reasonable time to visit União da Vitória for sightseeing.

What to pack for União da Vitória in May

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

In May, União da Vitória sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in União da Vitória in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 União da Vitória 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 União da Vitória in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in União da Vitória 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 União da Vitória?

União da Vitória sits at 26.2°S, 51.1°W, 759 m above sea level, in Brazil. The nearest listed city is Porto União, 1.0 km away.

Topography around União da Vitória

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

Within 3 km, the terrain around União da Vitória has only modest variations in elevation — a maximum elevation change of 228 m around an average of 763 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 779 m.

The land around União da Vitória is covered by trees (39%) and artificial surfaces (36%) within 3 km, trees (75%) within 16 km, and trees (76%) within 80 km.

3 km
228 m
16 km
536 m
80 km
779 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Porto União 1.0 km · Cruz Machado 35 km · Bituruna 47 km · Caçador 61 km · Canoinhas 70 km · Três Barras 77 km · São Mateus do Sul 81 km · Pinhão 83 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 União da Vitória (-26.23°, -51.0864°, elevation 759 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).