São Lourenço do Sul weather in October

In October, São Lourenço do Sul sees average daytime highs of 22°C and overnight lows near 15°C, with 137 mm of rain across 12.5 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 25% of the time in October, and the air most often feels dry.

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

Daytime high
22°
7th warmest
Overnight low
15°
6th coldest
Rainfall
137 mm
12.5 wet days
Daylight
12 h 48 min
6:50 AM – 7:36 PM
Cloud cover
67%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
5.16 kWh/m²
Travel score
6.2
out of 10

São Lourenço do Sul is human settlement in Brazil.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in São Lourenço do Sul reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°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, 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)
12014
22114
32114
42114
52114
62114
72114
82115
92115
102115
112215
122215
132215
142215
152215
162215
172215
182215
192215
202215
212216
222316
232316
242316
252316
262316
272316
282316
292316
302316
312316

São Lourenço do Sul weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°1101413.85.9
Feb27° / 21°11213.313.15.8
Mar26° / 20°10112.512.26.3
Apr24° / 17°1029.711.36.9
May20° / 14°101910.46.5
Jun18° / 11°1039.2105.9
Jul17° / 10°11910.110.25.6
Aug19° / 11°1169.910.96.1
Sep20° / 13°1391111.85.9
Oct22° / 15°13712.512.86.2
Nov24° / 17°989.913.66.9
Dec27° / 19°10411.4146.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33565
43565
53565
63466
73466
83466
93565
103565
113664
123664
133763
143862
153961
163961
173961
183961
193961
204060
214060
224060
234159
244159
254159
264258
274258
284159
294258
304357
314357

Chance of precipitation in October

Any precipitation

São Lourenço do Sul gets around 137 mm of rain over 12.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
240
340
441
541
641
741
841
941
1041
1140
1240
1340
1439
1539
1639
1739
1839
1939
2039
2139
2239
2339
2438
2538
2638
2738
2838
2937
3037
3137

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14330225
24230225
34130236
44030236
53930247
63830258
73630259
83629269
935292610
1034292610
1133292711
1232292711
1332292812
1431292812
1530292912
1630282912
1729283013
1829283113
1928273113
2028273114
2128263114
2228263115
2328253116
2428253016
2528253017
2628253017
2728243018
2828243018
2928233019
3028233019
3128232920

Wind in October

Winds average 17 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

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

Days grow by about 54 minutes over October. Sunrise moves from 7:08 AM to 6:35 AM, and sunset from 7:26 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:087:26
212.37:077:27
312.47:057:27
412.47:047:28
512.47:037:29
612.57:017:29
712.57:007:30
812.56:597:31
912.66:587:31
1012.66:577:32
1112.66:557:33
1212.76:547:33
1312.76:537:34
1412.76:527:35
1512.76:517:36
1612.86:507:36
1712.86:487:37
1812.86:477:38
1912.96:467:39
2012.96:457:39
2112.96:447:40
2213.06:437:41
2313.06:427:42
2413.06:417:42
2513.16:407:43
2613.16:397:44
2713.16:387:45
2813.16:377:46
2913.26:367:47
3013.26:367:47
3113.26:357:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.16 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 6.87 kWh/m² in December across the year — October's 5.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
315.8Bright
Planning a trip in October

Is October a good time to visit São Lourenço do Sul?

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

6.2
Sightseeing
6th-best month of the year
4.3
Beach & pool
7th-best month of the year

October is a reasonable time to visit São Lourenço do Sul for sightseeing.

What to pack for São Lourenço do Sul in October

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

In October, São Lourenço do Sul sees daytime highs around 22°C and nights near 15°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near São Lourenço do Sul 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 offshore is warmest in February at about 26°C and coldest in July near 14°C.

It's comfortable for a long swim from Oct 31 to May 3 — about 6.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar25Warm
Apr22Refreshing
May19Cool
Jun16Cool
Jul14Bracing
Aug15Bracing
Sep16Cool
Oct19Cool
Nov21Refreshing
Dec24Refreshing

UV index in São Lourenço do Sul in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — 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 Lourenço do Sul peaks around December 22 at about 12 (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 highExtremeDec 22UV 12Jun 19UV 3
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct8Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is São Lourenço do Sul?

São Lourenço do Sul sits at 31.4°S, 52.0°W, 13 m above sea level, in Brazil. The nearest listed city is Pelotas, 57 km away.

Topography around São Lourenço do Sul

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

Within 3 km, the terrain around São Lourenço do Sul has only modest variations in elevation — a maximum elevation change of 30 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 199 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around São Lourenço do Sul is covered by water (26%) and cropland (23%) within 3 km, water (38%) and cropland (31%) within 16 km, and water (35%) and trees (28%) within 80 km.

3 km
30 m
16 km
199 m
80 km
507 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Pelotas 57 km · Camaquã 59 km · Capão do Leão 65 km · Canguçu 66 km · São José do Norte 72 km · Rio Grande 75 km · Encruzilhada do Sul 105 km · Piratini 107 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 Lourenço do Sul (-31.3653°, -51.9783°, elevation 13 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).