Passo Fundo weather in January

In January, Passo Fundo sees average daytime highs of 28°C and overnight lows near 18°C, with 175 mm of rain across 16.5 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 28°C through the month. The sky is clear or mostly clear about 29% 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 18 min by month's end. Set against the rest of the year, January is Passo Fundo's 11th-clearest and 9th-windiest month. For the whole year in context, see Passo Fundo's year-round climate.

Daytime high
28°
1st warmest
Overnight low
18°
12th coldest
Rainfall
175 mm
16.5 wet days
Daylight
13 h 36 min
6:51 AM – 8:27 PM
Cloud cover
60%
11th clearest
Wind
12 km/h
9th windiest
Solar energy
6.38 kWh/m²
Travel score
5.3
out of 10

Passo Fundo is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Passo Fundo reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

Passo Fundo 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
Jan28° / 18°17516.513.65.3
Feb27° / 18°16715.2135.5
Mar27° / 17°14513.412.26.1
Apr24° / 15°14210.611.36.8
May21° / 11°16510.110.66.4
Jun19° / 10°1501010.26.1
Jul19° / 16610.210.46.1
Aug21° / 10°1189.3116.7
Sep22° / 12°16511.611.86.4
Oct24° / 14°24014.512.76.1
Nov26° / 15°17412.313.46.3
Dec28° / 17°17914.913.85.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34852
44852
54951
64951
75050
85050
95050
105050
115149
125050
135050
145050
155149
165050
175050
185149
195149
205149
215149
225149
235149
245248
255248
265248
275347
285347
295347
305446
315446

Chance of precipitation in January

Any precipitation

Passo Fundo gets around 175 mm of rain over 16.5 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 53% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
351
451
551
652
752
853
953
1053
1154
1254
1354
1454
1554
1654
1754
1854
1954
2054
2154
2254
2354
2454
2554
2654
2754
2854
2954
3054
3154

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131531429
231531429
321431439
421431439
521331449
621331459
721231459
821232468
921232478
1021132487
1121132497
1221032506
1321032515
1421032515
1521031534
1621031534
1721030544
1821030553
1921129553
2021128563
2121128563
2221127573
2321126583
2411126584
2511126584
2611125594
2711125594
2811025604
2911025595
3011025595
3111025595

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 6:40 AM to 7:02 AM, and sunset from 8:26 PM to 8:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:408:26
213.86:408:26
313.86:418:26
413.76:428:27
513.76:428:27
613.76:438:27
713.76:448:27
813.76:458:27
913.76:458:27
1013.76:468:27
1113.76:478:27
1213.76:478:27
1313.76:488:27
1413.66:498:27
1513.66:508:27
1613.66:518:27
1713.66:518:27
1813.66:528:27
1913.66:538:27
2013.66:548:27
2113.56:548:27
2213.56:558:26
2313.56:568:26
2413.56:578:26
2513.56:588:26
2613.46:588:25
2713.46:598:25
2813.47:008:25
2913.47:018:24
3013.47:028:24
3113.37:028:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.38 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 6.51 kWh/m² in December across the year — January's 6.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in January

Is January a good time to visit Passo Fundo?

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

5.3
Sightseeing
12th-best month of the year
5.8
Beach & pool
4th-best month of the year

January is a reasonable time to visit Passo Fundo for sightseeing.

What to pack for Passo Fundo in January

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

In January, Passo Fundo sees daytime highs around 28°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Passo Fundo 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 Passo Fundo peaks around January 21 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 21UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7High
Nov12Extreme
Dec13Extreme

Air quality in Passo Fundo 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 Passo Fundo is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1514 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug11Good
Sep15Moderate
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Passo Fundo?

Passo Fundo sits at 28.3°S, 52.4°W, 689 m above sea level, in Brazil. The nearest listed city is Marau, 29 km away.

Topography around Passo Fundo

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

Within 3 km, the terrain around Passo Fundo has only modest variations in elevation — a maximum elevation change of 131 m around an average of 653 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 287 m; within 80 km, large variations in elevation — a maximum elevation change of 675 m.

The land around Passo Fundo is covered by artificial surfaces (63%) and trees (26%) within 3 km, cropland (62%) and trees (26%) within 16 km, and cropland (67%) and trees (28%) within 80 km.

3 km
131 m
16 km
287 m
80 km
675 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Marau 29 km · Carazinho 37 km · Tapejara 44 km · Getúlio Vargas 45 km · Não-Me-Toque 46 km · Sarandi 62 km · Soledade 63 km · Espumoso 67 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 Passo Fundo (-28.2628°, -52.4067°, elevation 689 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).