Ijuí weather in January

In January, Ijuí sees average daytime highs of 30°C and overnight lows near 20°C, with 173 mm of rain across 14.7 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Ijuí's 9th-clearest and 8th-windiest month. For the whole year in context, see Ijuí's year-round climate.

Daytime high
30°
1st warmest
Overnight low
20°
12th coldest
Rainfall
173 mm
14.7 wet days
Daylight
13 h 36 min
6:56 AM – 8:34 PM
Cloud cover
55%
9th clearest
Wind
11 km/h
8th windiest
Solar energy
6.47 kWh/m²
Travel score
4.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Ijuí reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

Ijuí weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 3rd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75644
85644
95644
105644
115644
125644
135644
145644
155545
165545
175545
185644
195644
205644
215644
225644
235545
245545
255644
265644
275644
285545
295545
305644
315644

Chance of precipitation in January

Any precipitation

Ijuí gets around 173 mm of rain over 14.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
647
747
847
947
1047
1147
1247
1347
1447
1547
1647
1747
1847
1947
2047
2147
2247
2347
2448
2548
2649
2749
2850
2950
3050
3150

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1211273227
2211273228
3210263328
4210263328
5210253428
6210253528
7210243628
829243728
929233828
1029223927
1139224027
1238214226
1338214326
1438204425
1537204524
1637204624
1737204723
1837204723
1937204823
2037204823
2137204823
2237204823
2327204824
2426204824
2526204725
2626194726
2716194727
2816194628
2916194629
3016184529
3116184530

Wind in January

Winds average 11 km/h in January.

Across January, 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:46 AM to 7:08 AM, and sunset from 8:32 PM to 8:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:468:32
213.86:468:32
313.86:478:33
413.86:478:33
513.76:488:33
613.76:498:33
713.76:508:33
813.76:508:33
913.76:518:34
1013.76:528:34
1113.76:528:34
1213.76:538:34
1313.76:548:34
1413.66:558:34
1513.66:568:34
1613.66:568:34
1713.66:578:34
1813.66:588:33
1913.66:598:33
2013.66:598:33
2113.57:008:33
2213.57:018:33
2313.57:028:32
2413.57:038:32
2513.57:038:32
2613.57:048:32
2713.47:058:31
2813.47:068:31
2913.47:078:31
3013.47:078:30
3113.47:088:30

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.47 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 — January's 6.47 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Is January a good time to visit Ijuí?

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

4.5
Sightseeing
12th-best month of the year
6.2
Beach & pool
6th-best month of the year

January is a reasonable time to visit Ijuí for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ijuí in January

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

In January, Ijuí sees daytime highs around 30°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Ijuí in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). 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 January

GoodModeratePoorUnhealthyVery unhealthy

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