São Marcos weather in August

In August, São Marcos sees average daytime highs of 19°C and overnight lows near 8°C, with 128 mm of rain across 10.2 wet days and about 11 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is São Marcos's 1st-clearest and 3rd-windiest month. For the whole year in context, see São Marcos's year-round climate.

Daytime high: 19°; 9th warmest
Overnight low: 8°; 3rd coldest
Rainfall: 128 mm; 10.2 wet days
Daylight: 11 hours; 8:00 AM – 6:57 PM
Cloud cover: 53%; 1st clearest
Wind: 10 km/h; 3rd windiest
Solar energy: 3.63 kWh/m²
Travel score: 6.2; out of 10

São Marcos is human settlement in Brazil.

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

← July São Marcos year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical August day in São Marcos reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20	20	20	20	20	20
Avg low (°C)	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	9	9	9	9	9

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	18	7
4	18	7
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	19	8
11	19	8
12	19	8
13	19	8
14	19	8
15	19	8
16	19	8
17	19	8
18	19	9
19	19	9
20	19	9
21	20	9
22	20	9
23	20	9
24	20	9
25	20	9
26	20	9
27	20	9
28	20	9
29	20	9
30	20	9
31	20	9

São Marcos weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 17°	182	18	13.6	5.4
Feb	26° / 16°	160	17.3	13	5.3
Mar	25° / 15°	142	14.6	12.2	6.1
Apr	22° / 13°	125	11.3	11.3	6.4
May	19° / 10°	140	10.4	10.6	5.9
Jun	17° / 8°	136	10.5	10.2	5.4
Jul	17° / 7°	168	11	10.3	5.3
Aug	19° / 8°	128	10.2	11	6.2
Sep	20° / 10°	167	12.4	11.8	5.9
Oct	22° / 12°	210	14.5	12.7	5.9
Nov	24° / 13°	154	13.4	13.4	6.4
Dec	26° / 15°	172	15.5	13.8	5.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 48%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	51	51	50	50	50	49	50	50	50	50	51	51	51	52	52	53	53	54	54	55	54	54	54	53	53	53	52	52	51	51	51
Cloudier (%)	49	49	50	50	50	51	50	50	50	50	49	49	49	48	48	47	47	46	46	45	46	46	46	47	47	47	48	48	49	49	49

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	50	50
5	50	50
6	49	51
7	50	50
8	50	50
9	50	50
10	50	50
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	53	47
17	53	47
18	54	46
19	54	46
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49
31	51	49

Chance of precipitation in August

Any precipitation

São Marcos gets around 128 mm of rain over 10.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	34	34	34	34	34	33	33	33	33	32	32	32	32	32	32	31	31	32	32	32	32	33	33	33	34	34	35	35	35	35	35

	Rain chance (%)
1	34
2	34
3	34
4	34
5	34
6	33
7	33
8	33
9	33
10	32
11	32
12	32
13	32
14	32
15	32
16	31
17	31
18	32
19	32
20	32
21	32
22	33
23	33
24	33
25	34
26	34
27	35
28	35
29	35
30	35
31	35

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	85	85	84	85	85	84	84	84	84	83	83	83	83	83	83	83	81	81	81	81	80	80	78	77	77	75	75	74	73	73	71
Comfortable (%)	14	14	15	15	15	16	16	16	16	17	17	17	17	17	17	17	18	18	18	18	19	19	20	21	21	22	22	23	24	24	25
Humid (%)	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	3	3	3	3	3	4

	Dry (%)	Comfortable (%)	Humid (%)
1	85	14	1
2	85	14	1
3	84	15	1
4	85	15	0
5	85	15	0
6	84	16	0
7	84	16	0
8	84	16	0
9	84	16	0
10	83	17	0
11	83	17	0
12	83	17	0
13	83	17	0
14	83	17	0
15	83	17	0
16	83	17	0
17	81	18	1
18	81	18	1
19	81	18	1
20	81	18	1
21	80	19	1
22	80	19	1
23	78	20	2
24	77	21	2
25	77	21	2
26	75	22	3
27	75	22	3
28	74	23	3
29	73	24	3
30	73	24	3
31	71	25	4

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	11	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 36 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over August. Sunrise moves from 8:12 AM to 7:43 AM, and sunset from 6:48 PM to 7:05 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.6	10.6	10.6	10.7	10.7	10.7	10.7	10.8	10.8	10.8	10.8	10.9	10.9	10.9	10.9	11.0	11.0	11.0	11.0	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.4
Sunrise (AM)	8:12	8:12	8:11	8:10	8:09	8:09	8:08	8:07	8:06	8:05	8:04	8:04	8:03	8:02	8:01	8:00	7:59	7:58	7:57	7:56	7:55	7:54	7:53	7:51	7:50	7:49	7:48	7:47	7:46	7:45	7:43
Sunset (PM)	6:48	6:49	6:49	6:50	6:51	6:51	6:52	6:52	6:53	6:54	6:54	6:55	6:55	6:56	6:56	6:57	6:58	6:58	6:59	6:59	7:00	7:00	7:01	7:01	7:02	7:02	7:03	7:04	7:04	7:05	7:05

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	8:12	6:48
2	10.6	8:12	6:49
3	10.6	8:11	6:49
4	10.7	8:10	6:50
5	10.7	8:09	6:51
6	10.7	8:09	6:51
7	10.7	8:08	6:52
8	10.8	8:07	6:52
9	10.8	8:06	6:53
10	10.8	8:05	6:54
11	10.8	8:04	6:54
12	10.9	8:04	6:55
13	10.9	8:03	6:55
14	10.9	8:02	6:56
15	10.9	8:01	6:56
16	11.0	8:00	6:57
17	11.0	7:59	6:58
18	11.0	7:58	6:58
19	11.0	7:57	6:59
20	11.1	7:56	6:59
21	11.1	7:55	7:00
22	11.1	7:54	7:00
23	11.1	7:53	7:01
24	11.2	7:51	7:01
25	11.2	7:50	7:02
26	11.2	7:49	7:02
27	11.2	7:48	7:03
28	11.3	7:47	7:04
29	11.3	7:46	7:04
30	11.3	7:45	7:05
31	11.4	7:43	7:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.63 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 — August's 3.63 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.2	3.2	3.2	3.3	3.3	3.3	3.3	3.4	3.4	3.4	3.5	3.5	3.5	3.5	3.6	3.6	3.7	3.7	3.7	3.8	3.8	3.8	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.2	Moderate
2	3.2	Moderate
3	3.2	Moderate
4	3.3	Moderate
5	3.3	Moderate
6	3.3	Moderate
7	3.3	Moderate
8	3.4	Moderate
9	3.4	Moderate
10	3.4	Moderate
11	3.5	Moderate
12	3.5	Moderate
13	3.5	Moderate
14	3.5	Moderate
15	3.6	Moderate
16	3.6	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.9	Moderate
24	3.9	Moderate
25	3.9	Moderate
26	3.9	Moderate
27	4.0	Moderate
28	4.0	Moderate
29	4.0	Moderate
30	4.0	Bright
31	4.0	Bright

Planning a trip in August

Is August a good time to visit São Marcos?

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

6.2

Sightseeing

3rd-best month of the year

2.7

Beach & pool

9th-best month of the year

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

What to pack for São Marcos in August

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

In August, São Marcos sees daytime highs around 19°C and nights near 8°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in São Marcos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	13	11	8	5	4	4	6	8	8	12	13
Level	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	13	Extreme
Mar	11	Extreme
Apr	8	Very high
May	5	High
Jun	4	Moderate
Jul	4	Moderate
Aug	6	High
Sep	8	Very high
Oct	8	Very high
Nov	12	Extreme
Dec	13	Extreme

Air quality in São Marcos in August

GoodModeratePoorUnhealthyVery unhealthy

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	10	9	10	11	12	12	15	22	18	12	11	10
Level	Good	Good	Good	Good	Moderate	Good	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	9	Good
Mar	10	Good
Apr	11	Good
May	12	Moderate
Jun	12	Good
Jul	15	Moderate
Aug	22	Moderate
Sep	18	Moderate
Oct	12	Good
Nov	11	Good
Dec	10	Good

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

trees 55%

16 km

716 m

trees 65%

80 km

1,135 m

trees 59%

treesgrasslandcroplandartificial surfaceswater

← July São Marcos year-round climate September →Best places to visit in August

August 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

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).

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	18	7
4	18	7
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	19	8
11	19	8
12	19	8
13	19	8
14	19	8
15	19	8
16	19	8
17	19	8
18	19	9
19	19	9
20	19	9
21	20	9
22	20	9
23	20	9
24	20	9
25	20	9
26	20	9
27	20	9
28	20	9
29	20	9
30	20	9
31	20	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	50	50
5	50	50
6	49	51
7	50	50
8	50	50
9	50	50
10	50	50
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	53	47
17	53	47
18	54	46
19	54	46
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49
31	51	49

	Rain chance (%)
1	34
2	34
3	34
4	34
5	34
6	33
7	33
8	33
9	33
10	32
11	32
12	32
13	32
14	32
15	32
16	31
17	31
18	32
19	32
20	32
21	32
22	33
23	33
24	33
25	34
26	34
27	35
28	35
29	35
30	35
31	35

	Dry (%)	Comfortable (%)	Humid (%)
1	85	14	1
2	85	14	1
3	84	15	1
4	85	15	0
5	85	15	0
6	84	16	0
7	84	16	0
8	84	16	0
9	84	16	0
10	83	17	0
11	83	17	0
12	83	17	0
13	83	17	0
14	83	17	0
15	83	17	0
16	83	17	0
17	81	18	1
18	81	18	1
19	81	18	1
20	81	18	1
21	80	19	1
22	80	19	1
23	78	20	2
24	77	21	2
25	77	21	2
26	75	22	3
27	75	22	3
28	74	23	3
29	73	24	3
30	73	24	3
31	71	25	4

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	18	7
4	18	7
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	19	8
11	19	8
12	19	8
13	19	8
14	19	8
15	19	8
16	19	8
17	19	8
18	19	9
19	19	9
20	19	9
21	20	9
22	20	9
23	20	9
24	20	9
25	20	9
26	20	9
27	20	9
28	20	9
29	20	9
30	20	9
31	20	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	50	50
5	50	50
6	49	51
7	50	50
8	50	50
9	50	50
10	50	50
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	53	47
17	53	47
18	54	46
19	54	46
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49
31	51	49

	Rain chance (%)
1	34
2	34
3	34
4	34
5	34
6	33
7	33
8	33
9	33
10	32
11	32
12	32
13	32
14	32
15	32
16	31
17	31
18	32
19	32
20	32
21	32
22	33
23	33
24	33
25	34
26	34
27	35
28	35
29	35
30	35
31	35

	Dry (%)	Comfortable (%)	Humid (%)
1	85	14	1
2	85	14	1
3	84	15	1
4	85	15	0
5	85	15	0
6	84	16	0
7	84	16	0
8	84	16	0
9	84	16	0
10	83	17	0
11	83	17	0
12	83	17	0
13	83	17	0
14	83	17	0
15	83	17	0
16	83	17	0
17	81	18	1
18	81	18	1
19	81	18	1
20	81	18	1
21	80	19	1
22	80	19	1
23	78	20	2
24	77	21	2
25	77	21	2
26	75	22	3
27	75	22	3
28	74	23	3
29	73	24	3
30	73	24	3
31	71	25	4

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	18	7
4	18	7
5	18	8
6	18	8
7	18	8
8	18	8
9	18	8
10	19	8
11	19	8
12	19	8
13	19	8
14	19	8
15	19	8
16	19	8
17	19	8
18	19	9
19	19	9
20	19	9
21	20	9
22	20	9
23	20	9
24	20	9
25	20	9
26	20	9
27	20	9
28	20	9
29	20	9
30	20	9
31	20	9

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	50	50
4	50	50
5	50	50
6	49	51
7	50	50
8	50	50
9	50	50
10	50	50
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	53	47
17	53	47
18	54	46
19	54	46
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	52	48
28	52	48
29	51	49
30	51	49
31	51	49

	Rain chance (%)
1	34
2	34
3	34
4	34
5	34
6	33
7	33
8	33
9	33
10	32
11	32
12	32
13	32
14	32
15	32
16	31
17	31
18	32
19	32
20	32
21	32
22	33
23	33
24	33
25	34
26	34
27	35
28	35
29	35
30	35
31	35

	Dry (%)	Comfortable (%)	Humid (%)
1	85	14	1
2	85	14	1
3	84	15	1
4	85	15	0
5	85	15	0
6	84	16	0
7	84	16	0
8	84	16	0
9	84	16	0
10	83	17	0
11	83	17	0
12	83	17	0
13	83	17	0
14	83	17	0
15	83	17	0
16	83	17	0
17	81	18	1
18	81	18	1
19	81	18	1
20	81	18	1
21	80	19	1
22	80	19	1
23	78	20	2
24	77	21	2
25	77	21	2
26	75	22	3
27	75	22	3
28	74	23	3
29	73	24	3
30	73	24	3
31	71	25	4