Santo Antônio da Patrulha weather in October

In October, Santo Antônio da Patrulha sees average daytime highs of 23°C and overnight lows near 15°C, with 180 mm of rain across 14.4 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 24% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of October to 13 h 06 min by month's end. Set against the rest of the year, October is Santo Antônio da Patrulha's 12th-clearest and 1st-windiest month. For the whole year in context, see Santo Antônio da Patrulha's year-round climate.

Daytime high
23°
7th warmest
Overnight low
15°
6th coldest
Rainfall
180 mm
14.4 wet days
Daylight
12 h 42 min
6:45 AM – 7:29 PM
Cloud cover
68%
12th clearest
Wind
10 km/h
1st windiest
Solar energy
4.87 kWh/m²
Travel score
6.1
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical October day in Santo Antônio da Patrulha reaches about 23°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, October runs about 2°C warmer than September and about 2°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22214
32214
42214
52214
62214
72214
82314
92314
102314
112314
122315
132315
142315
152315
162315
172315
182315
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Santo Antônio da Patrulha weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°17216.813.75.4
Feb28° / 19°14316.313.15.2
Mar27° / 18°13814.312.26.0
Apr24° / 16°1031111.36.7
May21° / 13°12210.510.56.4
Jun19° / 11°1121010.16.1
Jul19° / 10°14011.110.36.0
Aug21° / 11°12310.710.96.4
Sep21° / 13°15312.111.86.1
Oct23° / 15°18014.412.76.1
Nov25° / 16°12912.613.56.4
Dec27° / 18°1451413.95.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23664
33664
43664
53565
63565
73466
83466
93466
103466
113466
123565
133565
143664
153664
163664
173664
183763
193763
203763
213763
223862
233862
243862
253862
263862
273961
283961
293961
303961
314060

Chance of precipitation in October

Any precipitation

Santo Antônio da Patrulha gets around 180 mm of rain over 14.4 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 46% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
347
447
547
647
747
847
947
1047
1147
1247
1346
1446
1546
1646
1746
1846
1946
2046
2146
2246
2346
2445
2545
2645
2745
2844
2944
3044
3143

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
136302680
235302680
334302790
4333027100
5323028110
6302929120
7292929130
8282929130
9272930140
10262930150
11252930160
12242930160
13232931170
14222931170
15222931180
16212932180
17202932180
18202933190
19192833200
20192832200
21192832210
22192732210
23192732220
24202731220
25202631220
26202631231
27202631231
28202531231
29202531231
30202531231
31202431241

Wind in October

Winds average 10 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 10 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
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over October. Sunrise moves from 7:03 AM to 6:31 AM, and sunset from 7:20 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:037:20
212.37:017:20
312.37:007:21
412.46:597:21
512.46:587:22
612.46:567:23
712.56:557:23
812.56:547:24
912.56:537:25
1012.66:527:25
1112.66:517:26
1212.66:497:26
1312.66:487:27
1412.76:477:28
1512.76:467:28
1612.76:457:29
1712.86:447:30
1812.86:437:31
1912.86:427:31
2012.86:417:32
2112.96:407:33
2212.96:397:33
2312.96:387:34
2413.06:377:35
2513.06:367:36
2613.06:357:36
2713.06:347:37
2813.16:347:38
2913.16:337:39
3013.16:327:39
3113.16:317:40

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.87 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 6.4 kWh/m² in December across the year — October's 4.87 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in October

Is October a good time to visit Santo Antônio da Patrulha?

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

6.1
Sightseeing
5th-best month of the year
4.8
Beach & pool
7th-best month of the year

October is a reasonable time to visit Santo Antônio da Patrulha for sightseeing.

What to pack for Santo Antônio da Patrulha in October

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

In October, Santo Antônio da Patrulha sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Santo Antônio da Patrulha in October

The nearest coast averages about 19°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 51 km away) is warmest in February at about 25°C and coldest in August near 16°C.

It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar24Warm
Apr23Refreshing
May20Refreshing
Jun18Cool
Jul16Cool
Aug16Cool
Sep17Cool
Oct19Cool
Nov20Refreshing
Dec23Refreshing

UV index in Santo Antônio da Patrulha in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Antônio da Patrulha peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 17UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Santo Antônio da Patrulha in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Santo Antônio da Patrulha is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1815 µg/m³Feb 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Santo Antônio da Patrulha?

Santo Antônio da Patrulha sits at 29.8°S, 50.5°W, 118 m above sea level, in Brazil. The nearest listed city is Rolante, 19 km away.

Topography around Santo Antônio da Patrulha

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio da Patrulha.

Within 3 km, the terrain around Santo Antônio da Patrulha has only modest variations in elevation — a maximum elevation change of 208 m around an average of 76 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 850 m; within 80 km, large variations in elevation — a maximum elevation change of 1,050 m.

The land around Santo Antônio da Patrulha is covered by grassland (51%), trees (27%) and artificial surfaces (20%) within 3 km, grassland (41%) and trees (39%) within 16 km, and trees (38%), water (24%) and grassland (23%) within 80 km.

3 km
208 m
16 km
850 m
80 km
1,050 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Rolante 19 km · Osório 25 km · Taquara 31 km · Parobé 37 km · Igrejinha 38 km · São Francisco de Paula 42 km · Tramandaí 42 km · Imbé 42 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 Santo Antônio da Patrulha (-29.8175°, -50.5197°, elevation 118 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).