Santo Antônio de Posse weather in October

In October, Santo Antônio de Posse sees average daytime highs of 29°C and overnight lows near 18°C, with 130 mm of rain across 13.5 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-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 30% 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 12 h 48 min by month's end. Set against the rest of the year, October is Santo Antônio de Posse's 8th-clearest and 2nd-windiest month. For the whole year in context, see Santo Antônio de Posse's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
18°
7th coldest
Rainfall
130 mm
13.5 wet days
Daylight
12 h 30 min
6:37 AM – 7:09 PM
Cloud cover
61%
8th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.88 kWh/m²
Travel score
5.0
out of 10

Santo Antônio de Posse is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Santo Antônio de Posse reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22917
32917
42917
52918
62918
72918
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212918
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

Santo Antônio de Posse weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°27522.313.23.8
Feb30° / 20°18818.612.83.9
Mar29° / 19°14917.612.24.6
Apr28° / 17°738.711.56.4
May25° / 15°646.310.97.6
Jun25° / 13°434.610.68.1
Jul25° / 13°39410.88.2
Aug27° / 14°334.111.27.9
Sep28° / 16°867.911.96.3
Oct29° / 18°13013.512.55.0
Nov29° / 19°18216.713.14.7
Dec29° / 20°22420.413.44.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34951
44852
54852
64852
74753
84852
94753
104654
114654
124654
134555
144555
154555
164456
174357
184258
194258
204258
214159
224159
234159
244258
254159
264159
274159
284159
294060
304060
314060

Chance of precipitation in October

Any precipitation

Santo Antônio de Posse gets around 130 mm of rain over 13.5 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 44% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
237
337
437
538
638
739
839
940
1040
1141
1242
1343
1444
1544
1645
1746
1846
1947
2048
2148
2248
2348
2448
2548
2648
2748
2849
2949
3049
3150

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
120323513
219313614
318313714
418303815
517293815
616293916
716284016
815284017
915274117
1015264118
1114254219
1214254219
1313244320
1413244420
1512234421
1611234522
1710224523
189224524
199214625
208214626
218204626
227204627
237204628
247194628
257194529
267194529
277194430
287194431
297194331
307184332
317184233

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
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 6:50 AM to 6:26 AM, and sunset from 7:03 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:507:03
212.26:497:03
312.36:487:04
412.36:487:04
512.36:477:04
612.36:467:05
712.36:457:05
812.46:447:05
912.46:437:06
1012.46:427:06
1112.46:417:07
1212.46:407:07
1312.56:397:07
1412.56:387:08
1512.56:387:08
1612.56:377:09
1712.66:367:09
1812.66:357:10
1912.66:347:10
2012.66:347:11
2112.66:337:11
2212.76:327:11
2312.76:317:12
2412.76:317:12
2512.76:307:13
2612.76:297:14
2712.86:297:14
2812.86:287:15
2912.86:277:15
3012.86:277:16
3112.86:267:16

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.88 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.01 kWh/m² in November across the year — October's 5.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
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 Antônio de Posse

In seasonPeak

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

Santo Antônio de Posse'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 Antônio de Posse?

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

5.0
Sightseeing
7th-best month of the year
6.4
Beach & pool
7th-best month of the year

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

What to pack for Santo Antônio de Posse in October

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

In October, Santo Antônio de Posse sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Santo Antônio de Posse 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 Antônio de Posse peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santo Antônio de Posse 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 Antônio de Posse is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Santo Antônio de Posse?

Santo Antônio de Posse sits at 22.6°S, 46.9°W, 669 m above sea level, in Brazil. The nearest listed city is Jaguariúna, 13 km away.

Topography around Santo Antônio de Posse

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

Within 3 km, the terrain around Santo Antônio de Posse has only modest variations in elevation — a maximum elevation change of 153 m around an average of 657 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,218 m.

The land around Santo Antônio de Posse is covered by cropland (33%), trees (28%) and grassland (26%) within 3 km, trees (33%), cropland (33%) and grassland (28%) within 16 km, and trees (35%), grassland (30%) and cropland (27%) within 80 km.

3 km
153 m
16 km
475 m
80 km
1,218 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Jaguariúna 13 km · Terra Preta 14 km · Holambra 14 km · Amparo 19 km · Mogi Mirim 20 km · Itapira 21 km · Serra Negra 22 km · Artur Nogueira 26 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 Antônio de Posse (-22.6061°, -46.9194°, elevation 669 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).