São Marcos weather in April

In April, São Marcos sees average daytime highs of 22°C and overnight lows near 13°C, with 125 mm of rain across 11.3 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 32% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of April to 10 h 54 min by month's end. Set against the rest of the year, April is São Marcos's 4th-clearest and 10th-windiest month. For the whole year in context, see São Marcos's year-round climate.

Daytime high
22°
6th warmest
Overnight low
13°
7th coldest
Rainfall
125 mm
11.3 wet days
Daylight
11 h 18 min
7:45 AM – 7:04 PM
Cloud cover
59%
4th clearest
Wind
9 km/h
10th windiest
Solar energy
3.87 kWh/m²
Travel score
6.4
out of 10

São Marcos is human settlement in Brazil.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical April day in São Marcos reaches about 22°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, April runs about 3°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12414
22414
32314
42314
52314
62314
72314
82313
92313
102313
112313
122313
132313
142213
152213
162213
172213
182212
192212
202212
212212
222112
232112
242112
252112
262112
272111
282111
292111
302011

São Marcos weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64951
74951
85050
95050
104852
114852
124753
134753
144654
154654
164555
174555
184555
194456
204456
214555
224456
234555
244654
254555
264654
274654
284753
294753
304654

Chance of precipitation in April

Any precipitation

São Marcos gets around 125 mm of rain over 11.3 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
338
438
537
637
737
837
937
1037
1138
1238
1338
1438
1538
1639
1739
1839
1939
2039
2138
2238
2338
2437
2537
2637
2737
2836
2936
3036

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 35% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11936369
22036369
32135359
42234359
52334358
62433348
72632348
82732347
92831337
103031337
113130336
123230326
133230325
143330325
153430314
163531314
173531304
183631303
193731293
203832282
213932272
224132262
234232241
244332231
254532221
264632211
274831201
285031181
295131171
305330161

Wind in April

Winds average 9 km/h in April.

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

051015151015202530
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
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over April. Sunrise moves from 7:37 AM to 7:54 AM, and sunset from 7:21 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:377:21
211.77:377:20
311.77:387:19
411.77:387:18
511.67:397:16
611.67:407:15
711.67:407:14
811.57:417:13
911.57:417:12
1011.57:427:10
1111.47:427:09
1211.47:437:08
1311.47:447:07
1411.47:447:06
1511.37:457:05
1611.37:457:04
1711.37:467:03
1811.27:477:01
1911.27:477:00
2011.27:486:59
2111.27:486:58
2211.17:496:57
2311.17:506:56
2411.17:506:55
2511.17:516:54
2611.07:516:53
2711.07:526:52
2811.07:536:51
2911.07:536:50
3010.97:546:49

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.87 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 — April's 3.87 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.1Bright
114.0Bright
124.0Bright
134.0Moderate
143.9Moderate
153.9Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
Planning a trip in April

Is April a good time to visit São Marcos?

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

6.4
Sightseeing
1st-best month of the year
4.5
Beach & pool
6th-best month of the year

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

What to pack for São Marcos in April

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

In April, São Marcos sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

UV index in São Marcos in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (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 April

GoodModeratePoorUnhealthyVery unhealthy

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