São Marcos weather in January

In January, São Marcos sees average daytime highs of 26°C and overnight lows near 17°C, with 182 mm of rain across 18 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 22% of the time in January, and the air most often feels humid.

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 São Marcos's 11th-clearest and 8th-windiest month. For the whole year in context, see São Marcos's year-round climate.

Daytime high
26°
1st warmest
Overnight low
17°
12th coldest
Rainfall
182 mm
18 wet days
Daylight
13 h 42 min
6:44 AM – 8:23 PM
Cloud cover
64%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
6.02 kWh/m²
Travel score
5.4
out of 10

São Marcos 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 26°C through the month.

A typical January day in São Marcos reaches about 26°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272617
282617
292617
302617
312617

São Marcos weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°1821813.65.4
Feb26° / 16°16017.3135.3
Mar25° / 15°14214.612.26.1
Apr22° / 13°12511.311.36.4
May19° / 10°14010.410.65.9
Jun17° / 13610.510.25.4
Jul17° / 1681110.35.3
Aug19° / 12810.2116.2
Sep20° / 10°16712.411.85.9
Oct22° / 12°21014.512.75.9
Nov24° / 13°15413.413.46.4
Dec26° / 15°17215.513.85.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54357
64357
74357
84357
94456
104456
114357
124357
134357
144357
154357
164357
174258
184258
194258
204159
214159
224159
234159
244258
254159
264159
274258
284159
294159
304258
314357

Chance of precipitation in January

Any precipitation

São Marcos gets around 182 mm of rain over 18 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 59% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
355
455
556
656
757
857
958
1058
1159
1259
1359
1459
1559
1659
1759
1859
1959
2059
2159
2259
2359
2460
2560
2660
2761
2861
2962
3062
3162

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172238340
262138340
362138350
462039350
552039350
651940360
751940360
851841360
951841360
1051742360
1151742360
1251643360
1351643350
1451644350
1551644350
1651644350
1751644340
1851744350
1951743350
2051743350
2151742360
2241742370
2341741370
2441740380
2541740390
2641739400
2731738410
2831737420
2931737420
3031736431
3141735431

Wind in January

Winds average 9 km/h in January.

Across January, 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
110calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:33 AM to 6:56 AM, and sunset from 8:22 PM to 8:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:338:22
213.86:338:22
313.86:348:23
413.86:358:23
513.86:358:23
613.86:368:23
713.86:378:23
813.86:388:23
913.86:388:23
1013.76:398:24
1113.76:408:24
1213.76:418:24
1313.76:418:24
1413.76:428:24
1513.76:438:24
1613.76:448:23
1713.66:448:23
1813.66:458:23
1913.66:468:23
2013.66:478:23
2113.66:488:23
2213.66:498:22
2313.56:498:22
2413.56:508:22
2513.56:518:22
2613.56:528:21
2713.56:538:21
2813.56:538:21
2913.46:548:20
3013.46:558:20
3113.46:568:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.02 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 6.35 kWh/m² in December across the year — January's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Is January a good time to visit São Marcos?

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

5.4
Sightseeing
9th-best month of the year
5.2
Beach & pool
4th-best month of the year

January is a reasonable time to visit São Marcos for sightseeing.

What to pack for São Marcos in January

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

In January, São Marcos sees daytime highs around 26°C and nights near 17°C. Pack rain gear and sun protection. Worth having: light clothes. About 18 days see rain.

rain gearsun protectionlight clothes

UV index in São Marcos 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 São Marcos peaks around January 17 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 17UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in São Marcos 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 São Marcos is worst in August — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (February, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1822 µg/m³Feb 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar10Good
Apr11Good
May12Moderate
Jun12Good
Jul15Moderate
Aug22Moderate
Sep18Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is São Marcos?

São Marcos sits at 29.0°S, 51.1°W, 741 m above sea level, in Brazil. The nearest listed city is Flores da Cunha, 13 km away.

Topography around São Marcos

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

Within 3 km, the terrain around São Marcos has significant variations in elevation — a maximum elevation change of 399 m around an average of 750 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 716 m; within 80 km, large variations in elevation — a maximum elevation change of 1,135 m.

The land around São Marcos is covered by trees (55%) and grassland (27%) within 3 km, trees (65%) and grassland (30%) within 16 km, and trees (59%) and grassland (24%) within 80 km.

3 km
399 m
16 km
716 m
80 km
1,135 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Flores da Cunha 13 km · Caxias do Sul 24 km · Farroupilha 39 km · Nova Petrópolis 45 km · Veranópolis 47 km · Gramado 49 km · Bento Gonçalves 49 km · Canela 49 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 São Marcos (-28.9711°, -51.0681°, elevation 741 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).