São Geraldo do Araguaia weather in October

In October, São Geraldo do Araguaia sees average daytime highs of 33°C and overnight lows near 24°C, with 79 mm of rain across 12.3 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

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

Daylight stretches from about 12 h 06 min at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is São Geraldo do Araguaia's 5th-clearest and 5th-windiest month. For the whole year in context, see São Geraldo do Araguaia's year-round climate.

Daytime high
33°
4th warmest
Overnight low
24°
12th coldest
Rainfall
79 mm
12.3 wet days
Daylight
12 h 06 min
5:55 AM – 6:04 PM
Cloud cover
60%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
5.97 kWh/m²
Travel score
3.5
out of 10

São Geraldo do Araguaia 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 33°C through the month.

A typical October day in São Geraldo do Araguaia reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, October runs about 2°C cooler than September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How October really feels in São Geraldo do Araguaia

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
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.

São Geraldo do Araguaia weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26928.612.32.8
Feb30° / 23°27725.812.22.7
Mar30° / 23°28328.4122.7
Apr31° / 23°20023.811.93.0
May31° / 23°10114.111.73.9
Jun33° / 22°132.611.64.5
Jul33° / 22°5111.74.2
Aug34° / 23°5111.83.6
Sep34° / 24°234123.5
Oct33° / 24°7912.312.13.5
Nov31° / 23°16520.112.33.2
Dec30° / 23°21324.912.43.0

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 21% of October, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46337
56238
66139
76040
85941
95842
105743
115644
125545
135446
145347
155248
165149
175050
185050
194852
204654
214555
224357
234258
244159
254060
263961
273862
283862
293862
303763
313763

Chance of precipitation in October

Any precipitation

São Geraldo do Araguaia gets around 79 mm of rain over 12.3 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 40% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
125
226
326
427
528
628
729
830
931
1032
1133
1234
1335
1436
1537
1638
1739
1841
1942
2044
2145
2247
2348
2450
2551
2653
2754
2855
2955
3056
3156

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1222751
2221761
3121762
4120772
5119782
6118792
7118792
8017812
9016822
10016822
11015832
12014842
13013852
14012862
15011872
16010882
1709892
1808902
1907912
2006922
2105923
2205923
2304933
2404933
2503943
2603934
2702944
2802944
2902935
3002935
3102935

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 12 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 6:02 AM to 5:51 AM, and sunset from 6:05 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:026:05
212.16:016:05
312.16:016:05
412.16:006:04
512.16:006:04
612.15:596:04
712.15:596:04
812.15:586:04
912.15:586:04
1012.15:576:04
1112.15:576:04
1212.15:566:04
1312.15:566:04
1412.15:566:04
1512.15:556:04
1612.15:556:04
1712.15:556:04
1812.25:546:04
1912.25:546:04
2012.25:546:04
2112.25:536:04
2212.25:536:04
2312.25:536:04
2412.25:526:04
2512.25:526:04
2612.25:526:04
2712.25:526:04
2812.25:526:04
2912.25:516:04
3012.25:516:04
3112.25:516:04

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.97 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.21 kWh/m² in September across the year — October's 5.97 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
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for São Geraldo do Araguaia

In seasonPeak

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

São Geraldo do Araguaia's monsoon runs November–April, 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 São Geraldo do Araguaia?

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

3.5
Sightseeing
5th-best month of the year
6.0
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in São Geraldo do Araguaia.

What to pack for São Geraldo do Araguaia in October

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

In October, São Geraldo do Araguaia sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in São Geraldo do Araguaia 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 São Geraldo do Araguaia peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Extreme

Air quality in São Geraldo do Araguaia 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 São Geraldo do Araguaia is worst in September — around 42 µg/m³ PM2.5 (poor), about 6.2× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateModerateSep 1839 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Good
Apr12Good
May9Good
Jun8Good
Jul7Good
Aug16Moderate
Sep42Poor
Oct26Moderate
Nov24Moderate
Dec17Moderate
Location & terrain

Where is São Geraldo do Araguaia?

São Geraldo do Araguaia sits at 6.4°S, 48.6°W, 131 m above sea level, in Brazil. The nearest listed city is Eldorado dos Carajás, 94 km away.

Topography around São Geraldo do Araguaia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Geraldo do Araguaia.

Within 3 km, the terrain around São Geraldo do Araguaia has only modest variations in elevation — a maximum elevation change of 97 m around an average of 133 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 450 m; within 80 km, significant variations in elevation — a maximum elevation change of 492 m.

The land around São Geraldo do Araguaia is covered by grassland (38%) and water (30%) within 3 km, grassland (57%) and trees (36%) within 16 km, and grassland (64%) and trees (34%) within 80 km.

3 km
97 m
16 km
450 m
80 km
492 m
treesgrasslandartificial surfaceswater
October weather nearby: Eldorado dos Carajás 94 km · Araguaína 96 km · Araguatins 97 km · São Domingos do Araguaia 98 km · Curionópolis 120 km · Estreito 124 km · Tocantinópolis 126 km · Porto Franco 128 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 São Geraldo do Araguaia (-6.4006°, -48.555°, elevation 131 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).