Ijuí weather in May

In May, Ijuí sees average daytime highs of 22°C and overnight lows near 12°C, with 143 mm of rain across 9 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Ijuí's 10th-clearest and 8th-windiest month. For the whole year in context, see Ijuí's year-round climate.

Daytime high
22°
9th warmest
Overnight low
12°
4th coldest
Rainfall
143 mm
9 wet days
Daylight
10 h 36 min
8:14 AM – 6:50 PM
Cloud cover
56%
10th clearest
Wind
11 km/h
8th windiest
Solar energy
3.04 kWh/m²
Travel score
6.9
out of 10

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 20°C by the end.

A typical May day in Ijuí reaches about 22°C in the afternoon and slips back to 12°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 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52314
62313
72313
82313
92313
102313
112313
122213
132213
142213
152213
162212
172212
182212
192212
202112
212112
222112
232112
242112
252112
262111
272111
282111
292011
302011
312011

Ijuí weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°17314.713.64.5
Feb29° / 19°14513.7134.8
Mar29° / 18°13611.712.25.6
Apr26° / 16°16210.111.36.7
May22° / 12°143910.66.9
Jun20° / 11°1449.810.26.3
Jul19° / 10°1579.910.46.3
Aug22° / 11°1088.8117.0
Sep23° / 13°15610.311.86.8
Oct26° / 15°23413.212.76.2
Nov28° / 17°1621113.45.9
Dec30° / 19°17913.113.84.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55050
64951
74951
84951
94951
104951
114951
124951
134852
144951
154951
164951
174852
184852
194951
204951
214951
224951
234852
244852
254852
264852
274753
284753
294852
304753
314753

Chance of precipitation in May

Any precipitation

Ijuí gets around 143 mm of rain over 9 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 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1529
1629
1729
1829
1929
2030
2130
2230
2330
2430
2530
2630
2729
2829
2929
3029
3129

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
138232613
239232612
340232611
442232610
54322269
64323258
74423258
84523257
94623247
104624246
114724236
124724235
134824235
144825225
154925225
164925214
175025214
185125204
195225194
205325193
215425183
225425183
235525173
245624173
255824162
265824162
275924152
286023152
296023152
306023152
316023152

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 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 8:05 AM to 8:23 AM, and sunset from 7:01 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:057:01
210.98:067:00
310.98:066:59
410.98:076:58
510.88:076:57
610.88:086:57
710.88:096:56
810.88:096:55
910.78:106:54
1010.78:106:54
1110.78:116:53
1210.78:126:52
1310.78:126:52
1410.68:136:51
1510.68:146:50
1610.68:146:50
1710.68:156:49
1810.68:156:49
1910.58:166:48
2010.58:176:48
2110.58:176:47
2210.58:186:47
2310.58:186:46
2410.48:196:46
2510.48:196:45
2610.48:206:45
2710.48:216:45
2810.48:216:44
2910.48:226:44
3010.48:226:44
3110.38:236:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.04 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 6.62 kWh/m² in December across the year — May's 3.04 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Ijuí?

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

6.9
Sightseeing
2nd-best month of the year
4.8
Beach & pool
9th-best month of the year

May is a reasonable time to visit Ijuí for sightseeing.

What to pack for Ijuí in May

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

In May, Ijuí sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Ijuí 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 Ijuí 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 highModerateHighVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7High
Nov11Extreme
Dec13Extreme

Air quality in Ijuí 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 Ijuí is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1515 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May6Good
Jun7Good
Jul7Good
Aug10Good
Sep15Moderate
Oct9Good
Nov6Good
Dec6Good
Location & terrain

Where is Ijuí?

Ijuí sits at 28.4°S, 53.9°W, 329 m above sea level, in Brazil. The nearest listed city is Santo Ângelo, 35 km away.

Topography around Ijuí

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

Within 3 km, the terrain around Ijuí has only modest variations in elevation — a maximum elevation change of 154 m around an average of 323 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, significant variations in elevation — a maximum elevation change of 475 m.

The land around Ijuí is covered by artificial surfaces (47%) and trees (34%) within 3 km, cropland (66%) and trees (26%) within 16 km, and cropland (78%) within 80 km.

3 km
154 m
16 km
236 m
80 km
475 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Santo Ângelo 35 km · Cruz Alta 41 km · Panambi 42 km · Giruá 58 km · Três de Maio 75 km · Tupanciretã 77 km · Santa Rosa 80 km · Palmeira das Missões 80 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 Ijuí (-28.3878°, -53.9147°, elevation 329 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).