Santa Inês weather in October

In October, Santa Inês sees average daytime highs of 35°C and overnight lows near 25°C, with 19 mm of rain across 4.1 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 12 h 06 min by month's end. Set against the rest of the year, October is Santa Inês's 4th-clearest and 1st-windiest month. For the whole year in context, see Santa Inês's year-round climate.

Daytime high
35°
1st warmest
Overnight low
25°
11th coldest
Rainfall
19 mm
4.1 wet days
Daylight
12 h 06 min
5:44 AM – 5:49 PM
Cloud cover
48%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
6.11 kWh/m²
Travel score
2.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical October day in Santa Inês reaches about 35°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73525
83525
93525
103525
113525
123525
133525
143525
153525
163525
173525
183525
193525
203525
213525
223525
233525
243525
253525
263525
273525
283525
293525
303525
313525

How October really feels in Santa Inês

Once humidity and wind are folded in, October averages 31 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
31
31 feel dangerously hot (≥ 39°C)
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.

Santa Inês weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°25325.412.22.6
Feb31° / 24°27625.712.12.5
Mar31° / 24°34129.5122.4
Apr31° / 24°31027.911.92.5
May31° / 24°16321.511.83.2
Jun31° / 23°5511.711.84.2
Jul32° / 23°326.411.84.4
Aug34° / 23°122.811.93.8
Sep35° / 24°122.2123.2
Oct35° / 25°194.112.12.9
Nov34° / 25°49812.22.9
Dec33° / 24°12015.412.22.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 32% of October, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38218
48218
58119
68119
78020
87921
97921
107822
117822
127723
137624
147525
157525
167525
177426
187426
197426
207228
217228
227030
237030
246832
256733
266634
276634
286436
296436
306337
316238

Chance of precipitation in October

Any precipitation

Santa Inês gets around 19 mm of rain over 4.1 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 14% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
711
811
911
1012
1112
1213
1313
1414
1514
1615
1715
1815
1916
2016
2116
2216
2317
2417
2517
2617
2717
2817
2918
3018
3118

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112880
212880
313870
413870
513870
613870
713870
813870
913870
1013870
1114860
1214851
1314851
1414851
1514851
1614851
1714851
1814851
1914851
2014851
2114851
2214851
2314851
2415841
2515841
2615841
2715841
2815841
2915841
3014851
3114842

Wind in October

Winds average 10 km/h in October, the windiest month of the year.

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 hours at the start of October to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over October. Sunrise moves from 5:50 AM to 5:41 AM, and sunset from 5:51 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:505:51
212.05:495:51
312.05:495:51
412.05:485:51
512.05:485:51
612.05:485:50
712.15:475:50
812.15:475:50
912.15:465:50
1012.15:465:50
1112.15:465:50
1212.15:455:49
1312.15:455:49
1412.15:455:49
1512.15:445:49
1612.15:445:49
1712.15:445:49
1812.15:445:49
1912.15:435:49
2012.15:435:49
2112.15:435:49
2212.15:435:49
2312.15:425:49
2412.15:425:49
2512.15:425:49
2612.15:425:49
2712.15:425:49
2812.15:425:49
2912.15:415:49
3012.15:415:49
3112.15:415:49

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 6.11 kWh/m² in October across the year — October's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in October

Hazard calendar for Santa Inês

In seasonPeak

None of Santa Inês's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Santa Inês's monsoon runs January–May, when most of the year's rain falls.

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

Is October a good time to visit Santa Inês?

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

2.9
Sightseeing
6th-best month of the year
6.2
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Santa Inês. The water and warmth also suit a beach or pool day.

What to pack for Santa Inês in October

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

In October, Santa Inês sees daytime highs around 35°C and nights near 25°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Santa Inês in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Inês peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Santa Inês 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 Santa Inês is worst in November — around 25 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1724 µg/m³Jul 167 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun8Good
Jul7Good
Aug8Good
Sep10Good
Oct16Moderate
Nov25Moderate
Dec19Moderate
Location & terrain

Where is Santa Inês?

Santa Inês sits at 3.7°S, 45.4°W, 31 m above sea level, in Brazil. The nearest listed city is Pindaré-Mirim, 8.0 km away.

Topography around Santa Inês

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

Within 3 km, the terrain around Santa Inês has only modest variations in elevation — a maximum elevation change of 32 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, significant variations in elevation — a maximum elevation change of 286 m.

The land around Santa Inês is covered by grassland (43%), artificial surfaces (32%) and trees (23%) within 3 km, grassland (56%) and trees (32%) within 16 km, and grassland (60%) and trees (34%) within 80 km.

3 km
32 m
16 km
52 m
80 km
286 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Pindaré-Mirim 8.0 km · Monção 24 km · Bom Jardim 29 km · Pio XII 31 km · Santa Luzia 45 km · Penalva 47 km · Alto Alegre do Pindaré 52 km · Zé Doca 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 Santa Inês (-3.6667°, -45.38°, elevation 31 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).