São Sebastião do Caí weather in July

In July, São Sebastião do Caí sees average daytime highs of 19°C and overnight lows near 9°C, with 180 mm of rain across 10.8 wet days and about 10.3 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 36% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of July to 10 h 30 min by month's end. Set against the rest of the year, July is São Sebastião do Caí's 2nd-clearest and 2nd-windiest month. For the whole year in context, see São Sebastião do Caí's year-round climate.

Daytime high: 19°; 12th warmest
Overnight low: 9°; 1st coldest
Rainfall: 180 mm; 10.8 wet days
Daylight: 10 h 18 min; 8:23 AM – 6:39 PM
Cloud cover: 57%; 2nd clearest
Wind: 9 km/h; 2nd windiest
Solar energy: 2.6 kWh/m²
Travel score: 6.0; out of 10

← June São Sebastião do Caí year-round climate August →Best places to visit in July

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical July day in São Sebastião do Caí reaches about 19°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 26°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

	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)	19	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19
Avg low (°C)	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9

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

São Sebastião do Caí weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 19°	209	17.6	13.7	4.7
Feb	28° / 19°	180	16.6	13.1	4.8
Mar	27° / 18°	154	15.2	12.2	5.8
Apr	24° / 15°	142	11.2	11.3	6.6
May	21° / 12°	136	10.4	10.5	6.4
Jun	19° / 10°	144	10.3	10.1	6.0
Jul	19° / 9°	180	10.8	10.3	6.0
Aug	21° / 11°	145	10.7	10.9	6.4
Sep	22° / 12°	178	12.5	11.8	6.1
Oct	24° / 14°	216	14.8	12.7	6.0
Nov	26° / 16°	164	12.8	13.5	6.2
Dec	28° / 18°	182	15.1	13.9	5.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 53%.

	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 (%)	43	43	44	44	44	45	46	46	47	47	47	46	46	47	48	48	48	49	48	48	48	48	48	48	47	47	47	48	48	48	48
Cloudier (%)	57	57	56	56	56	55	54	54	53	53	53	54	54	53	52	52	52	51	52	52	52	52	52	52	53	53	53	52	52	52	52

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	44	56
4	44	56
5	44	56
6	45	55
7	46	54
8	46	54
9	47	53
10	47	53
11	47	53
12	46	54
13	46	54
14	47	53
15	48	52
16	48	52
17	48	52
18	49	51
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	47	53
26	47	53
27	47	53
28	48	52
29	48	52
30	48	52
31	48	52

Chance of precipitation in July

Any precipitation

São Sebastião do Caí gets around 180 mm of rain over 10.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% 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 (%)	36	36	36	36	35	35	35	35	35	36	36	36	36	36	36	35	35	35	35	35	35	35	35	35	35	34	34	34	34	34	34

	Rain chance (%)
1	36
2	36
3	36
4	36
5	35
6	35
7	35
8	35
9	35
10	36
11	36
12	36
13	36
14	36
15	36
16	35
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	35
26	34
27	34
28	34
29	34
30	34
31	34

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 66% 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 (%)	61	61	61	62	62	63	63	64	64	65	66	66	66	66	67	67	68	68	69	69	69	69	69	69	69	69	68	67	67	67	67
Comfortable (%)	30	30	30	30	30	29	29	29	29	28	28	28	28	28	27	27	27	27	26	26	26	26	26	26	26	26	26	27	27	27	27
Humid (%)	9	9	9	8	8	8	8	7	7	7	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6

	Dry (%)	Comfortable (%)	Humid (%)
1	61	30	9
2	61	30	9
3	61	30	9
4	62	30	8
5	62	30	8
6	63	29	8
7	63	29	8
8	64	29	7
9	64	29	7
10	65	28	7
11	66	28	6
12	66	28	6
13	66	28	6
14	66	28	6
15	67	27	6
16	67	27	6
17	68	27	5
18	68	27	5
19	69	26	5
20	69	26	5
21	69	26	5
22	69	26	5
23	69	26	5
24	69	26	5
25	69	26	5
26	69	26	5
27	68	26	6
28	67	27	6
29	67	27	6
30	67	27	6
31	67	27	6

Wind in July

Winds average 9 km/h in July.

Across July, 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.

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

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 06 min at the start of July to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 8:25 AM to 8:15 AM, and sunset from 6:33 PM to 6:48 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)	10.1	10.1	10.1	10.1	10.1	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.3	10.3	10.3	10.3	10.3	10.3	10.4	10.4	10.4	10.4	10.4	10.4	10.5	10.5	10.5	10.5	10.5
Sunrise (AM)	8:25	8:25	8:25	8:25	8:25	8:25	8:25	8:25	8:25	8:24	8:24	8:24	8:24	8:24	8:23	8:23	8:23	8:22	8:22	8:21	8:21	8:21	8:20	8:20	8:19	8:18	8:18	8:17	8:17	8:16	8:15
Sunset (PM)	6:33	6:33	6:33	6:34	6:34	6:34	6:35	6:35	6:36	6:36	6:37	6:37	6:38	6:38	6:39	6:39	6:40	6:40	6:41	6:41	6:42	6:43	6:43	6:44	6:44	6:45	6:45	6:46	6:47	6:47	6:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.1	8:25	6:33
2	10.1	8:25	6:33
3	10.1	8:25	6:33
4	10.1	8:25	6:34
5	10.1	8:25	6:34
6	10.2	8:25	6:34
7	10.2	8:25	6:35
8	10.2	8:25	6:35
9	10.2	8:25	6:36
10	10.2	8:24	6:36
11	10.2	8:24	6:37
12	10.2	8:24	6:37
13	10.2	8:24	6:38
14	10.2	8:24	6:38
15	10.3	8:23	6:39
16	10.3	8:23	6:39
17	10.3	8:23	6:40
18	10.3	8:22	6:40
19	10.3	8:22	6:41
20	10.3	8:21	6:41
21	10.4	8:21	6:42
22	10.4	8:21	6:43
23	10.4	8:20	6:43
24	10.4	8:20	6:44
25	10.4	8:19	6:44
26	10.4	8:18	6:45
27	10.5	8:18	6:45
28	10.5	8:17	6:46
29	10.5	8:17	6:47
30	10.5	8:16	6:47
31	10.5	8:15	6:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.6 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 6.44 kWh/m² in December across the year — July's 2.6 kWh/m² sits near the bottom.

	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)	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.6	2.6	2.6	2.6	2.6	2.7	2.7	2.7	2.7	2.8	2.8	2.8	2.8	2.9	2.9	2.9	2.9
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	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.4	Moderate
2	2.4	Moderate
3	2.4	Moderate
4	2.4	Moderate
5	2.4	Moderate
6	2.4	Moderate
7	2.4	Moderate
8	2.5	Moderate
9	2.5	Moderate
10	2.5	Moderate
11	2.5	Moderate
12	2.5	Moderate
13	2.5	Moderate
14	2.5	Moderate
15	2.6	Moderate
16	2.6	Moderate
17	2.6	Moderate
18	2.6	Moderate
19	2.6	Moderate
20	2.7	Moderate
21	2.7	Moderate
22	2.7	Moderate
23	2.7	Moderate
24	2.8	Moderate
25	2.8	Moderate
26	2.8	Moderate
27	2.8	Moderate
28	2.9	Moderate
29	2.9	Moderate
30	2.9	Moderate
31	2.9	Moderate

Planning a trip in July

Is July a good time to visit São Sebastião do Caí?

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

6.0

Sightseeing

6th-best month of the year

2.3

Beach & pool

12th-best month of the year

July is a reasonable time to visit São Sebastião do Caí for sightseeing.

What to pack for São Sebastião do Caí in July

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

In July, São Sebastião do Caí sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in São Sebastião do Caí in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 4 — 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 Sebastião do Caí peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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)	13	12	10	8	5	4	4	5	8	8	12	13
Level	Extreme	Extreme	Very high	Very high	Moderate	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	10	Very high
Apr	8	Very high
May	5	Moderate
Jun	4	Moderate
Jul	4	Moderate
Aug	5	High
Sep	8	Very high
Oct	8	Very high
Nov	12	Extreme
Dec	13	Extreme

Air quality in São Sebastião do Caí in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in São Sebastião do Caí is worst in September — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 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	10	10	12	12	11	13	16	17	12	11	10
Level	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	10	Good
Mar	10	Good
Apr	12	Good
May	12	Good
Jun	11	Good
Jul	13	Moderate
Aug	16	Moderate
Sep	17	Moderate
Oct	12	Good
Nov	11	Good
Dec	10	Good

Location & terrain

Where is São Sebastião do Caí?

São Sebastião do Caí sits at 29.6°S, 51.4°W, 16 m above sea level, in Brazil. The nearest listed city is Montenegro, 14 km away.

Topography around São Sebastião do Caí

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

Within 3 km, the terrain around São Sebastião do Caí has only modest variations in elevation — a maximum elevation change of 107 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 512 m; within 80 km, large variations in elevation — a maximum elevation change of 988 m.

The land around São Sebastião do Caí is covered by trees (69%) within 3 km, trees (73%) within 16 km, and trees (62%) within 80 km.

3 km

107 m

trees 69%

16 km

512 m

trees 73%

80 km

988 m

trees 62%

treesgrasslandcroplandartificial surfaceswaterwetland

← June São Sebastião do Caí year-round climate August →Best places to visit in July

July weather nearby: Montenegro 14 km · Portão 18 km · Estância Velha 21 km · Ivoti 21 km · Novo Hamburgo 26 km · Dois Irmãos 28 km · São Leopoldo 29 km · Nova Santa Rita 31 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 Sebastião do Caí (-29.5867°, -51.3756°, elevation 16 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	19	10
2	19	10
3	19	10
4	19	10
5	19	10
6	19	10
7	18	10
8	18	9
9	18	9
10	18	9
11	18	9
12	18	9
13	18	9
14	18	9
15	18	9
16	18	9
17	18	9
18	18	9
19	18	9
20	18	9
21	18	9
22	19	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9
31	19	9

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	44	56
4	44	56
5	44	56
6	45	55
7	46	54
8	46	54
9	47	53
10	47	53
11	47	53
12	46	54
13	46	54
14	47	53
15	48	52
16	48	52
17	48	52
18	49	51
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	47	53
26	47	53
27	47	53
28	48	52
29	48	52
30	48	52
31	48	52

	Rain chance (%)
1	36
2	36
3	36
4	36
5	35
6	35
7	35
8	35
9	35
10	36
11	36
12	36
13	36
14	36
15	36
16	35
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	35
26	34
27	34
28	34
29	34
30	34
31	34

	Dry (%)	Comfortable (%)	Humid (%)
1	61	30	9
2	61	30	9
3	61	30	9
4	62	30	8
5	62	30	8
6	63	29	8
7	63	29	8
8	64	29	7
9	64	29	7
10	65	28	7
11	66	28	6
12	66	28	6
13	66	28	6
14	66	28	6
15	67	27	6
16	67	27	6
17	68	27	5
18	68	27	5
19	69	26	5
20	69	26	5
21	69	26	5
22	69	26	5
23	69	26	5
24	69	26	5
25	69	26	5
26	69	26	5
27	68	26	6
28	67	27	6
29	67	27	6
30	67	27	6
31	67	27	6

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

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	44	56
4	44	56
5	44	56
6	45	55
7	46	54
8	46	54
9	47	53
10	47	53
11	47	53
12	46	54
13	46	54
14	47	53
15	48	52
16	48	52
17	48	52
18	49	51
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	47	53
26	47	53
27	47	53
28	48	52
29	48	52
30	48	52
31	48	52

	Rain chance (%)
1	36
2	36
3	36
4	36
5	35
6	35
7	35
8	35
9	35
10	36
11	36
12	36
13	36
14	36
15	36
16	35
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	35
26	34
27	34
28	34
29	34
30	34
31	34

	Dry (%)	Comfortable (%)	Humid (%)
1	61	30	9
2	61	30	9
3	61	30	9
4	62	30	8
5	62	30	8
6	63	29	8
7	63	29	8
8	64	29	7
9	64	29	7
10	65	28	7
11	66	28	6
12	66	28	6
13	66	28	6
14	66	28	6
15	67	27	6
16	67	27	6
17	68	27	5
18	68	27	5
19	69	26	5
20	69	26	5
21	69	26	5
22	69	26	5
23	69	26	5
24	69	26	5
25	69	26	5
26	69	26	5
27	68	26	6
28	67	27	6
29	67	27	6
30	67	27	6
31	67	27	6

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

	Clearer (%)	Cloudier (%)
1	43	57
2	43	57
3	44	56
4	44	56
5	44	56
6	45	55
7	46	54
8	46	54
9	47	53
10	47	53
11	47	53
12	46	54
13	46	54
14	47	53
15	48	52
16	48	52
17	48	52
18	49	51
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	47	53
26	47	53
27	47	53
28	48	52
29	48	52
30	48	52
31	48	52

	Rain chance (%)
1	36
2	36
3	36
4	36
5	35
6	35
7	35
8	35
9	35
10	36
11	36
12	36
13	36
14	36
15	36
16	35
17	35
18	35
19	35
20	35
21	35
22	35
23	35
24	35
25	35
26	34
27	34
28	34
29	34
30	34
31	34

	Dry (%)	Comfortable (%)	Humid (%)
1	61	30	9
2	61	30	9
3	61	30	9
4	62	30	8
5	62	30	8
6	63	29	8
7	63	29	8
8	64	29	7
9	64	29	7
10	65	28	7
11	66	28	6
12	66	28	6
13	66	28	6
14	66	28	6
15	67	27	6
16	67	27	6
17	68	27	5
18	68	27	5
19	69	26	5
20	69	26	5
21	69	26	5
22	69	26	5
23	69	26	5
24	69	26	5
25	69	26	5
26	69	26	5
27	68	26	6
28	67	27	6
29	67	27	6
30	67	27	6
31	67	27	6