Altônia weather in October

In October, Altônia sees average daytime highs of 29°C and overnight lows near 20°C, with 160 mm of rain across 12.1 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 32% 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 54 min by month's end. Set against the rest of the year, October is Altônia's 9th-clearest and 5th-windiest month. For the whole year in context, see Altônia's year-round climate.

Daytime high
29°
6th warmest
Overnight low
20°
6th coldest
Rainfall
160 mm
12.1 wet days
Daylight
12 h 36 min
7:04 AM – 7:38 PM
Cloud cover
60%
9th clearest
Wind
10 km/h
5th windiest
Solar energy
5.55 kWh/m²
Travel score
5.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Altônia reaches about 29°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42820
52820
62820
72820
82820
92820
102920
112920
122920
132920
142920
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How October really feels in Altônia

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.

Altônia weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°14416.613.33.9
Feb31° / 23°14314.612.84.0
Mar30° / 22°10712.712.24.7
Apr28° / 20°917.711.56.4
May24° / 17°1258.810.97.2
Jun23° / 16°1078.110.67.4
Jul23° / 15°846.910.77.6
Aug25° / 16°826.211.27.8
Sep27° / 18°1158.511.96.9
Oct29° / 20°16012.112.65.4
Nov30° / 21°13711.713.25.0
Dec30° / 23°1541513.44.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54753
64753
74753
84753
94753
104753
114753
124654
134654
144654
154555
164555
174555
184555
194357
204357
214357
224357
234357
244456
254456
264555
274555
284555
294555
304555
314654

Chance of precipitation in October

Any precipitation

Altônia gets around 160 mm of rain over 12.1 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
337
437
537
637
737
837
937
1037
1137
1238
1338
1438
1539
1639
1739
1840
1940
2041
2141
2241
2341
2441
2541
2641
2741
2841
2941
3041
3141

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171931412
271831422
361830433
461730443
551729454
651628464
751628475
841527486
941526487
1041425498
1131425499
12313245010
13313245011
14213235111
15212235112
16211225213
17211225114
18110215315
19110215117
2019205218
2119205119
2219205119
2319205020
2419205021
2519194922
2619194822
2719194723
2829194624
2929194525
3029204425
3129204326

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
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 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 7:18 AM to 6:53 AM, and sunset from 7:31 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:187:31
212.27:177:32
312.37:167:32
412.37:157:32
512.37:147:33
612.37:137:33
712.47:127:34
812.47:117:34
912.47:107:34
1012.47:097:35
1112.57:087:35
1212.57:077:36
1312.57:067:36
1412.57:057:37
1512.57:057:37
1612.67:047:38
1712.67:037:38
1812.67:027:39
1912.67:017:39
2012.77:007:40
2112.77:007:40
2212.76:597:41
2312.76:587:41
2412.76:577:42
2512.86:577:42
2612.86:567:43
2712.86:557:43
2812.86:547:44
2912.86:547:45
3012.96:537:45
3112.96:537:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 6.28 kWh/m² in December across the year — October's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in October

Is October a good time to visit Altônia?

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

5.4
Sightseeing
7th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Altônia in October

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

In October, Altônia sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Altônia 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 Altônia peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Sep 14UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep4Moderate
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Altônia 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 Altônia is worst in September — around 26 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1525 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul7Good
Aug17Moderate
Sep26Moderate
Oct13Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Altônia?

Altônia sits at 23.9°S, 53.9°W, 353 m above sea level, in Brazil. The nearest listed city is Iporã, 25 km away.

Topography around Altônia

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

Within 3 km, the terrain around Altônia has only modest variations in elevation — a maximum elevation change of 114 m around an average of 353 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 216 m; within 80 km, significant variations in elevation — a maximum elevation change of 297 m.

The land around Altônia is covered by grassland (36%) and cropland (36%) within 3 km, cropland (40%) and grassland (38%) within 16 km, and cropland (58%) and grassland (22%) within 80 km.

3 km
114 m
16 km
216 m
80 km
297 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Iporã 25 km · Terra Roxa 37 km · Guaíra 42 km · Palotina 46 km · Itaquiraí 53 km · Umuarama 60 km · Assis Chateaubriand 72 km · Marechal Cândido Rondon 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 Altônia (-23.8744°, -53.9017°, elevation 353 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).