Três Passos weather in May

In May, Três Passos sees average daytime highs of 22°C and overnight lows near 13°C, with 156 mm of rain across 9.1 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 39% 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 24 min by month's end. Set against the rest of the year, May is Três Passos's 7th-clearest and 7th-windiest month. For the whole year in context, see Três Passos's year-round climate.

Daytime high
22°
10th warmest
Overnight low
13°
4th coldest
Rainfall
156 mm
9.1 wet days
Daylight
10 h 36 min
8:13 AM – 6:51 PM
Cloud cover
54%
7th clearest
Wind
9 km/h
7th windiest
Solar energy
3.13 kWh/m²
Travel score
7.0
out of 10

Três Passos 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 24°C in the first days to 21°C by the end.

A typical May day in Três Passos reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82314
92314
102313
112313
122313
132313
142313
152213
162213
172213
182213
192213
202213
212212
222212
232112
242112
252112
262112
272112
282112
292112
302112
312112

How May really feels in Três Passos

Once humidity and wind are folded in, May 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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Três Passos weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1511513.54.1
Feb30° / 20°13914.3134.3
Mar29° / 19°12812.312.25.2
Apr27° / 16°1389.711.46.7
May22° / 13°1569.110.77.0
Jun21° / 12°1499.410.36.5
Jul20° / 11°1409.710.46.6
Aug23° / 12°957.7117.4
Sep24° / 14°15510.311.87.0
Oct27° / 16°21413.212.76.1
Nov29° / 17°16211.513.45.6
Dec30° / 19°17613.813.74.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65446
75347
85347
95248
105248
115248
125248
135347
145248
155248
165248
175248
185149
195248
205149
215149
225149
235149
245149
255050
265050
275050
285050
295050
305050
315050

Chance of precipitation in May

Any precipitation

Três Passos gets around 156 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 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
326
426
526
626
726
827
927
1027
1128
1228
1328
1429
1529
1629
1730
1830
1930
2031
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272729161
2282729151
3292728151
4302728141
5312728131
6322828121
7332827111
8342827111
9352827101
1036282690
1136282690
1237292590
1338292580
1438292580
1539292570
1640292470
1740292460
1841292360
1942292360
2043292260
2145282260
2246272150
2347272150
2448262050
2549262050
2651252040
2751252040
2852242040
2952242040
3053232040
3153232040

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 8:04 AM to 8:21 AM, and sunset from 7:02 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.08:047:02
210.98:047:01
310.98:057:00
410.98:067:00
510.98:066:59
610.98:076:58
710.88:076:57
810.88:086:57
910.88:086:56
1010.88:096:55
1110.78:106:54
1210.78:106:54
1310.78:116:53
1410.78:116:53
1510.78:126:52
1610.68:136:51
1710.68:136:51
1810.68:146:50
1910.68:146:50
2010.68:156:49
2110.68:156:49
2210.58:166:48
2310.58:176:48
2410.58:176:48
2510.58:186:47
2610.58:186:47
2710.58:196:47
2810.48:196:46
2910.48:206:46
3010.48:206:46
3110.48:216:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.13 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 6.56 kWh/m² in December across the year — May's 3.13 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Três Passos?

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

7.0
Sightseeing
2nd-best month of the year
5.1
Beach & pool
10th-best month of the year

May is one of the better times to visit Três Passos for general sightseeing.

What to pack for Três Passos in May

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

In May, Três Passos sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Três Passos in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Três Passos peaks around January 20 at about 14 (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 highHighModerateHighVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov11Extreme
Dec13Extreme

Air quality in Três Passos 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 Três Passos is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Três Passos?

Três Passos sits at 27.5°S, 53.9°W, 449 m above sea level, in Brazil. The nearest listed city is El Soberbio, 32 km away.

Topography around Três Passos

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

Within 3 km, the terrain around Três Passos has only modest variations in elevation — a maximum elevation change of 212 m around an average of 405 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.

The land around Três Passos is covered by trees (47%) and cropland (23%) within 3 km, trees (45%) and cropland (42%) within 16 km, and trees (52%) and cropland (40%) within 80 km.

3 km
212 m
16 km
329 m
80 km
523 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: El Soberbio 32 km · Itapiranga 39 km · Horizontina 42 km · Três de Maio 47 km · Frederico Westphalen 54 km · Santa Rosa 71 km · Giruá 76 km · Palmeira das Missões 78 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 Três Passos (-27.4556°, -53.9319°, elevation 449 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).