Rosário do Sul weather in October

In October, Rosário do Sul sees average daytime highs of 25°C and overnight lows near 14°C, with 189 mm of rain across 11 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 34% 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 Rosário do Sul's 12th-clearest and 1st-windiest month. For the whole year in context, see Rosário do Sul's year-round climate.

Daytime high
25°
7th warmest
Overnight low
14°
6th coldest
Rainfall
189 mm
11 wet days
Daylight
12 h 42 min
7:02 AM – 7:47 PM
Cloud cover
60%
12th clearest
Wind
15 km/h
1st windiest
Solar energy
5.24 kWh/m²
Travel score
6.7
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical October day in Rosário do Sul reaches about 25°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62414
72414
82414
92414
102414
112414
122414
132414
142514
152514
162514
172515
182515
192515
202515
212515
222515
232515
242615
252615
262615
272615
282615
292615
302615
312615

How October really feels in Rosário do Sul

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rosário do Sul 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
Jan31° / 20°13411.513.74.5
Feb30° / 20°12910.313.14.9
Mar29° / 18°122912.25.9
Apr25° / 15°1519.311.37.0
May21° / 12°1148.710.56.7
Jun19° / 10°1309.410.16.1
Jul18° / 1299.410.26.2
Aug21° / 10°1168.610.96.8
Sep22° / 12°1559.911.86.7
Oct25° / 14°1891112.76.7
Nov28° / 16°1298.513.56.5
Dec30° / 19°1329.213.95.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of October, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34258
44159
54060
64060
74060
84060
94159
104159
114159
124258
134258
144258
154357
164456
174456
184456
194555
204555
214555
224654
234753
244753
254753
264753
274852
284852
294852
304951
314951

Chance of precipitation in October

Any precipitation

Rosário do Sul gets around 189 mm of rain over 11 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
435
536
636
737
837
937
1037
1137
1236
1336
1436
1536
1636
1736
1836
1935
2035
2135
2234
2334
2434
2534
2634
2734
2834
2934
3033
3133

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
148242080
247252080
346252090
444252190
5432621100
6412621110
7402622110
8392722120
9382722121
10372722131
11362822131
12362823131
13352823131
14342824131
15332924131
16322925131
17322826141
18312826141
19312827141
20312727151
21312727151
22312627151
23312627161
24312627161
25302527161
26302527171
27302527171
28302527171
29302427181
30302426181
31302426192

Wind in October

Winds average 15 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 7:20 AM to 6:48 AM, and sunset from 7:37 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.37:207:37
212.37:197:38
312.47:177:39
412.47:167:39
512.47:157:40
612.47:147:40
712.57:137:41
812.57:117:42
912.57:107:42
1012.67:097:43
1112.67:087:44
1212.67:077:44
1312.77:067:45
1412.77:047:46
1512.77:037:46
1612.77:027:47
1712.87:017:48
1812.87:007:49
1912.86:597:49
2012.96:587:50
2112.96:577:51
2212.96:567:51
2313.06:557:52
2413.06:547:53
2513.06:537:54
2613.06:527:54
2713.16:517:55
2813.16:517:56
2913.16:507:57
3013.16:497:58
3113.26:487:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.24 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.95 kWh/m² in December across the year — October's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in October

Is October a good time to visit Rosário do Sul?

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

6.7
Sightseeing
3rd-best month of the year
5.9
Beach & pool
7th-best month of the year

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

What to pack for Rosário do Sul in October

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

In October, Rosário do Sul sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Rosário do Sul in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rosário do Sul peaks around January 18 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 18UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Rosário do Sul?

Rosário do Sul sits at 30.3°S, 54.9°W, 123 m above sea level, in Brazil. The nearest listed city is São Gabriel, 58 km away.

Topography around Rosário do Sul

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

Within 3 km, the terrain around Rosário do Sul has only modest variations in elevation — a maximum elevation change of 76 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 306 m.

The land around Rosário do Sul is covered by trees (35%), grassland (25%) and artificial surfaces (20%) within 3 km, grassland (43%) and cropland (38%) within 16 km, and grassland (55%) and cropland (31%) within 80 km.

3 km
76 m
16 km
119 m
80 km
306 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: São Gabriel 58 km · São Francisco de Assis 81 km · Dom Pedrito 84 km · Sant'Ana do Livramento 92 km · Rivera 94 km · Alegrete 100 km · São Pedro do Sul 100 km · Santiago 119 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 Rosário do Sul (-30.2583°, -54.9142°, elevation 123 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).