Rosana weather in October

In October, Rosana sees average daytime highs of 30°C and overnight lows near 21°C, with 130 mm of rain across 13.2 wet days and about 12.5 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 33% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Rosana's 9th-clearest and 4th-windiest month. For the whole year in context, see Rosana's year-round climate.

Daytime high
30°
6th warmest
Overnight low
21°
7th coldest
Rainfall
130 mm
13.2 wet days
Daylight
12 h 30 min
7:01 AM – 7:33 PM
Cloud cover
59%
9th clearest
Wind
10 km/h
4th windiest
Solar energy
5.78 kWh/m²
Travel score
4.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Rosana reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
12920
23020
33020
43020
53020
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How October really feels in Rosana

Once humidity and wind are folded in, October averages 1 day 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
1
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Rosana weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°18819.713.23.4
Feb31° / 23°16017.612.83.5
Mar31° / 23°12715.112.24.2
Apr29° / 21°697.611.55.9
May26° / 18°897.610.97.3
Jun25° / 17°596.110.67.8
Jul25° / 16°434.910.88.0
Aug27° / 17°434.411.27.7
Sep29° / 19°857.911.96.0
Oct30° / 21°13013.212.54.6
Nov31° / 22°13113.313.14.3
Dec31° / 23°16517.213.43.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45050
54951
65050
74951
85050
94951
104951
114852
124852
134852
144753
154654
164654
174654
184555
194456
204456
214357
224258
234258
244258
254258
264258
274357
284357
294258
304258
314357

Chance of precipitation in October

Any precipitation

Rosana gets around 130 mm of rain over 13.2 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 42% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
439
539
639
739
839
939
1039
1139
1239
1339
1440
1540
1641
1741
1842
1943
2044
2145
2245
2346
2446
2546
2647
2747
2847
2947
3048
3148

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161928407
261828418
351827428
451727429
5417264310
6416264411
7415254412
8315244513
9314234514
10314224615
11313224616
12313214717
13213214717
14212204818
15211194819
16211194920
17110184921
18110184922
1919184923
2018174924
2118174925
2218174826
2317174827
2417174727
2517174728
2617174629
2717174530
2817174431
2927174332
3027174232
3117174133

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 9 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
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 7:15 AM to 6:51 AM, and sunset from 7:27 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:157:27
212.27:147:28
312.37:137:28
412.37:127:28
512.37:117:29
612.37:107:29
712.37:097:30
812.47:087:30
912.47:077:30
1012.47:067:31
1112.47:067:31
1212.47:057:32
1312.57:047:32
1412.57:037:32
1512.57:027:33
1612.57:017:33
1712.67:007:34
1812.67:007:34
1912.66:597:35
2012.66:587:35
2112.66:577:36
2212.76:577:36
2312.76:567:37
2412.76:557:37
2512.76:557:38
2612.76:547:38
2712.86:537:39
2812.86:537:39
2912.86:527:40
3012.86:517:40
3112.86:517:41

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.78 kWh/m².

For context, solar energy here swings from a low near 3.43 kWh/m² to a high of 6.17 kWh/m² in November across the year — October's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in October

Hazard calendar for Rosana

In seasonPeak

In October, Rosana sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rosana's rainy season runs September–March, when most of the year's rain falls.

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

Is October a good time to visit Rosana?

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

4.6
Sightseeing
7th-best month of the year
6.4
Beach & pool
7th-best month of the year

October is a reasonable time to visit Rosana for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rosana in October

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

In October, Rosana sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Rosana 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 Rosana peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep3Moderate
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Rosana 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 Rosana is worst in September — around 35 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (March, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1632 µg/m³Mar 205 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar5Good
Apr6Good
May7Good
Jun7Good
Jul7Good
Aug11Good
Sep35Moderate
Oct13Moderate
Nov9Good
Dec6Good
Location & terrain

Where is Rosana?

Rosana sits at 22.6°S, 53.1°W, 285 m above sea level, in Brazil. The nearest listed city is Taquarussu, 32 km away.

Topography around Rosana

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

Within 3 km, the terrain around Rosana has only modest variations in elevation — a maximum elevation change of 73 m around an average of 251 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.

The land around Rosana is covered by grassland (52%), trees (21%) and water (21%) within 3 km, grassland (51%) within 16 km, and grassland (42%) and cropland (35%) within 80 km.

3 km
73 m
16 km
178 m
80 km
394 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Taquarussu 32 km · Loanda 39 km · Nova Andradina 48 km · Paranavaí 82 km · Teodoro Sampaio 92 km · Nova Esperança 110 km · Colorado 115 km · Bataguassu 116 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 Rosana (-22.5797°, -53.0592°, elevation 285 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).