Três Barras weather in October

In October, Três Barras sees average daytime highs of 24°C and overnight lows near 14°C, with 164 mm of rain across 15.2 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 24°C by the end. The sky is clear or mostly clear about 16% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is Três Barras's 12th-clearest and 2nd-windiest month. For the whole year in context, see Três Barras's year-round climate.

Daytime high
24°
7th warmest
Overnight low
14°
6th coldest
Rainfall
164 mm
15.2 wet days
Daylight
12 h 36 min
6:48 AM – 7:25 PM
Cloud cover
75%
12th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.7 kWh/m²
Travel score
5.9
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 24°C by the end.

A typical October day in Três Barras reaches about 24°C in the afternoon and slips back to 14°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 29°C. Set against its neighbours, October runs about 1°C warmer than September and about 2°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22313
32313
42314
52314
62314
72314
82314
92314
102314
112314
122414
132414
142414
152414
162414
172414
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Três Barras weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°20421.113.54.7
Feb27° / 18°17119.312.94.7
Mar26° / 17°11515.112.25.7
Apr24° / 15°80911.46.8
May21° / 11°1118.910.76.4
Jun19° / 10°1159.710.46.2
Jul19° / 938.610.56.4
Aug21° / 10°93811.17.0
Sep22° / 12°1551111.86.4
Oct24° / 14°16415.212.65.9
Nov25° / 15°13214.113.36.0
Dec27° / 17°16117.213.65.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42971
52971
62872
72872
82872
92773
102773
112674
122674
132674
142674
152674
162674
172575
182575
192575
202575
212575
222674
232674
242674
252773
262773
272872
282872
292872
302872
312872

Chance of precipitation in October

Any precipitation

Três Barras gets around 164 mm of rain over 15.2 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 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
348
448
548
649
749
849
950
1050
1150
1251
1351
1451
1551
1651
1751
1851
1951
2051
2150
2250
2349
2449
2548
2648
2747
2847
2946
3046
3146

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13736252
23636262
33536282
43335293
53234303
63134324
73033334
82932345
92831355
102831366
112731366
122730376
132630377
142530377
152430387
162430388
172331388
182231398
192231398
202231398
212231398
222232398
232232388
242232389
252231389
262231389
272231389
282230389
2922303810
3022303810
3122293910

Wind in October

Winds average 10 km/h in October.

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 12 min at the start of October to 13 hours 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 6:35 AM, and sunset from 7:18 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:037:18
212.37:027:18
312.37:017:19
412.37:007:19
512.36:597:19
612.46:587:20
712.46:567:20
812.46:557:21
912.56:547:21
1012.56:537:22
1112.56:527:22
1212.56:517:23
1312.66:507:24
1412.66:497:24
1512.66:487:25
1612.66:487:25
1712.76:477:26
1812.76:467:26
1912.76:457:27
2012.76:447:27
2112.76:437:28
2212.86:427:29
2312.86:417:29
2412.86:417:30
2512.86:407:30
2612.96:397:31
2712.96:387:32
2812.96:377:32
2912.96:377:33
3013.06:367:34
3113.06:357:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.7 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 5.74 kWh/m² in December across the year — October's 4.7 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in October

Is October a good time to visit Três Barras?

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

5.9
Sightseeing
8th-best month of the year
4.8
Beach & pool
6th-best month of the year

October is a reasonable time to visit Três Barras for sightseeing.

What to pack for Três Barras in October

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

In October, Três Barras sees daytime highs around 24°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

UV index in Três Barras in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Três Barras peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug6High
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Três Barras 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 Três Barras is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1415 µg/m³Mar 107 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug12Moderate
Sep15Moderate
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Três Barras?

Três Barras sits at 26.1°S, 50.3°W, 767 m above sea level, in Brazil. The nearest listed city is Canoinhas, 10 km away.

Topography around Três Barras

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Três Barras.

Within 3 km, the terrain around Três Barras has only modest variations in elevation — a maximum elevation change of 78 m around an average of 774 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, large variations in elevation — a maximum elevation change of 1,064 m.

The land around Três Barras is covered by trees (44%), cropland (24%) and grassland (21%) within 3 km, trees (58%) and cropland (29%) within 16 km, and trees (67%) and cropland (27%) within 80 km.

3 km
78 m
16 km
140 m
80 km
1,064 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Canoinhas 10 km · São Mateus do Sul 27 km · Papanduva 34 km · Itaiópolis 49 km · Mafra 52 km · Rio Negro 52 km · Lapa 71 km · Porto União 77 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 Três Barras (-26.1064°, -50.3222°, elevation 767 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).