Santo Anastácio weather in October

In October, Santo Anastácio sees average daytime highs of 31°C and overnight lows near 20°C, with 131 mm of rain across 13.3 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 48 min by month's end. Set against the rest of the year, October is Santo Anastácio's 8th-clearest and 4th-windiest month. For the whole year in context, see Santo Anastácio's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
20°
7th coldest
Rainfall
131 mm
13.3 wet days
Daylight
12 h 30 min
6:56 AM – 7:27 PM
Cloud cover
59%
8th clearest
Wind
10 km/h
4th windiest
Solar energy
5.92 kWh/m²
Travel score
4.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Santo Anastácio reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 36°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33120
43120
53120
63120
73120
83120
93120
103120
113120
123120
133120
143120
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How October really feels in Santo Anastácio

Once humidity and wind are folded in, October averages 8 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
8
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.

Santo Anastácio weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°22021.713.23.3
Feb31° / 22°17318.512.83.5
Mar31° / 22°13116.212.24.1
Apr30° / 20°638.211.55.6
May27° / 17°676.9117.2
Jun26° / 16°465.210.77.7
Jul26° / 16°283.610.88.0
Aug29° / 17°333.811.26.8
Sep30° / 19°858.111.95.2
Oct31° / 20°13113.312.54.2
Nov31° / 21°1361413.14.0
Dec31° / 22°17618.813.33.5

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%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45149
55149
65149
75149
85149
95149
105050
114951
124951
134852
144753
154753
164555
174456
184456
194357
204258
214159
224159
234159
244060
254060
264060
274060
284060
294060
304060
314159

Chance of precipitation in October

Any precipitation

Santo Anastácio gets around 131 mm of rain over 13.3 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 43% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
338
439
539
639
739
839
940
1040
1140
1240
1341
1441
1542
1642
1743
1844
1944
2045
2145
2245
2346
2446
2546
2647
2747
2847
2947
3047
3147

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1162324334
2162224345
3152224345
4142124356
5142024357
6132025357
7131925358
8121825369
9111826369
10111726369
11101727379
121016283710
13916283710
14816283810
15715293810
16715293911
17614294011
18514294112
19513294112
20413294212
21412294313
22312284313
23312284414
24312274414
25312274415
26312264415
27311264316
28311254317
29411254318
30411244319
31411244319

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
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
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 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 7:10 AM to 6:46 AM, and sunset from 7:22 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:107:22
212.27:097:22
312.27:087:22
412.37:077:23
512.37:067:23
612.37:057:23
712.37:047:24
812.37:037:24
912.47:027:24
1012.47:017:25
1112.47:007:25
1212.46:597:26
1312.56:597:26
1412.56:587:26
1512.56:577:27
1612.56:567:27
1712.56:557:28
1812.66:557:28
1912.66:547:28
2012.66:537:29
2112.66:527:29
2212.66:527:30
2312.76:517:30
2412.76:507:31
2512.76:507:31
2612.76:497:32
2712.76:487:32
2812.86:487:33
2912.86:477:33
3012.86:467:34
3112.86:467:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.92 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 6.23 kWh/m² in November across the year — October's 5.92 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Santo Anastácio

In seasonPeak

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

Santo Anastácio's rainy season runs October–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 Santo Anastácio?

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

4.2
Sightseeing
7th-best month of the year
6.2
Beach & pool
7th-best month of the year

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

What to pack for Santo Anastácio in October

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

In October, Santo Anastácio sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Santo Anastácio 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 Santo Anastácio peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 6 (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 13UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug7Very high
Sep7Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Santo Anastácio 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 Santo Anastácio is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1618 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug12Good
Sep19Moderate
Oct12Moderate
Nov6Good
Dec6Good
Location & terrain

Where is Santo Anastácio?

Santo Anastácio sits at 22.0°S, 51.7°W, 458 m above sea level, in Brazil. The nearest listed city is Álvares Machado, 22 km away.

Topography around Santo Anastácio

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

Within 3 km, the terrain around Santo Anastácio has only modest variations in elevation — a maximum elevation change of 112 m around an average of 422 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, significant variations in elevation — a maximum elevation change of 316 m.

The land around Santo Anastácio is covered by grassland (59%) within 3 km, grassland (61%) and cropland (29%) within 16 km, and grassland (48%) and cropland (35%) within 80 km.

3 km
112 m
16 km
189 m
80 km
316 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Álvares Machado 22 km · Presidente Venceslau 23 km · Presidente Prudente 32 km · Pirapozinho 37 km · Mirante do Paranapanema 44 km · Regente Feijó 45 km · Martinópolis 53 km · Presidente Epitácio 53 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 Santo Anastácio (-21.9758°, -51.6514°, elevation 458 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).