Rio Maria weather in October

In October, Rio Maria sees average daytime highs of 32°C and overnight lows near 23°C, with 98 mm of rain across 14.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 24% 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 18 min by month's end. Set against the rest of the year, October is Rio Maria's 5th-clearest and 5th-windiest month. For the whole year in context, see Rio Maria's year-round climate.

Daytime high
32°
4th warmest
Overnight low
23°
12th coldest
Rainfall
98 mm
14.6 wet days
Daylight
12 h 12 min
6:00 AM – 6:10 PM
Cloud cover
64%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
5.95 kWh/m²
Travel score
3.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical October day in Rio Maria reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, October runs about 2°C cooler than September and about 1°C warmer than November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13323
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How October really feels in Rio Maria

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.

Rio Maria 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° / 22°29228.512.42.9
Feb30° / 22°2632612.22.8
Mar30° / 22°26228.5122.8
Apr30° / 22°19723.611.83.2
May31° / 22°10214.611.74.1
Jun32° / 22°112.311.65.1
Jul33° / 21°30.511.64.7
Aug34° / 22°50.911.84.1
Sep33° / 23°305123.9
Oct32° / 23°9814.612.23.6
Nov31° / 23°18021.712.33.3
Dec30° / 22°21425.212.43.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36040
45941
55842
65743
75644
85545
95347
105248
115050
124852
134753
144555
154456
164258
174159
183961
193862
203862
213664
223466
233367
243268
253169
263169
273070
283070
293070
302971
312872

Chance of precipitation in October

Any precipitation

Rio Maria gets around 98 mm of rain over 14.6 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 47% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
335
435
535
636
736
837
937
1038
1139
1240
1341
1442
1543
1645
1746
1848
1949
2051
2153
2254
2356
2457
2558
2660
2761
2862
2962
3063
3163

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
122870
212673
312574
412475
502377
602179
702080
801981
901882
1001684
1101585
1201486
1301387
1401189
1501090
160991
170892
180793
190694
200595
210595
220496
230397
240397
250397
260298
270298
280298
290298
300298
310199

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
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 6:07 AM to 5:56 AM, and sunset from 6:11 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:076:11
212.16:076:11
312.16:066:11
412.16:066:11
512.16:056:11
612.16:056:11
712.16:046:10
812.16:046:10
912.16:036:10
1012.16:036:10
1112.16:026:10
1212.16:026:10
1312.16:026:10
1412.26:016:10
1512.26:016:10
1612.26:006:10
1712.26:006:10
1812.26:006:10
1912.25:596:10
2012.25:596:10
2112.25:596:10
2212.25:586:10
2312.25:586:10
2412.25:586:11
2512.25:576:11
2612.25:576:11
2712.25:576:11
2812.25:576:11
2912.25:566:11
3012.35:566:11
3112.35:566:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.95 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.08 kWh/m² in September across the year — October's 5.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
166.0Bright
176.0Bright
185.9Bright
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 Rio Maria

In seasonPeak

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

Rio Maria'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 Rio Maria?

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

3.6
Sightseeing
6th-best month of the year
5.8
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Rio Maria.

What to pack for Rio Maria in October

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

In October, Rio Maria sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Rio Maria 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 Rio Maria peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Rio Maria 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 Rio Maria is worst in September — around 59 µg/m³ PM2.5 (unhealthy), about 11.7× the cleanest month (July, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1754 µg/m³Jul 105 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May8Good
Jun6Good
Jul5Good
Aug20Moderate
Sep59Unhealthy
Oct30Moderate
Nov20Moderate
Dec16Moderate
Location & terrain

Where is Rio Maria?

Rio Maria sits at 7.3°S, 50.0°W, 197 m above sea level, in Brazil. The nearest listed city is Xinguara, 26 km away.

Topography around Rio Maria

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

Within 3 km, the terrain around Rio Maria has only modest variations in elevation — a maximum elevation change of 53 m around an average of 200 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, large variations in elevation — a maximum elevation change of 678 m.

The land around Rio Maria is covered by grassland (69%) and trees (20%) within 3 km, grassland (72%) and trees (27%) within 16 km, and grassland (70%) and trees (29%) within 80 km.

3 km
53 m
16 km
453 m
80 km
678 m
treesgrasslandartificial surfaces
October weather nearby: Xinguara 26 km · Floresta do Araguaia 46 km · Água Azul do Norte 74 km · Redenção 80 km · Canaã dos Carajás 90 km · Ourilândia do Norte 130 km · Conceição do Araguaia 136 km · Tucumã 138 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 Rio Maria (-7.3106°, -50.0483°, elevation 197 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).