Riachão das Neves weather in October

In October, Riachão das Neves sees average daytime highs of 34°C and overnight lows near 23°C, with 53 mm of rain across 6.1 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Riachão das Neves's 6th-clearest and 5th-windiest month. For the whole year in context, see Riachão das Neves's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
12th coldest
Rainfall
53 mm
6.1 wet days
Daylight
12 h 18 min
5:37 AM – 5:53 PM
Cloud cover
50%
6th clearest
Wind
8 km/h
5th windiest
Solar energy
6.49 kWh/m²
Travel score
3.5
out of 10

Riachão das Neves 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 34°C through the month.

A typical October day in Riachão das Neves reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63422
73422
83422
93422
103423
113423
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223323
233323
243323
253323
263323
273323
283323
293323
303323
313323

How October really feels in Riachão das Neves

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.

Riachão das Neves weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°16316.412.64.2
Feb30° / 21°12215.112.44.2
Mar30° / 21°15316.412.14.2
Apr30° / 21°659.411.74.9
May31° / 20°182.911.55.6
Jun30° / 19°10.111.36.3
Jul30° / 18°0011.46.4
Aug32° / 19°10.111.65.5
Sep34° / 21°71.111.94.2
Oct34° / 23°536.112.33.5
Nov31° / 22°15613.512.53.8
Dec30° / 21°15714.512.74.1

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 18% of October, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67030
77030
86931
96733
106733
116634
126436
136436
146337
156238
166139
176040
185941
195842
205743
215644
225545
235446
245248
254951
264951
274852
284654
294654
304456
314357

Chance of precipitation in October

Any precipitation

Riachão das Neves gets around 53 mm of rain over 6.1 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 20% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
19
29
310
410
511
611
712
812
913
1013
1114
1215
1316
1416
1517
1618
1718
1819
1920
2021
2123
2224
2326
2427
2529
2630
2732
2833
2934
3035
3136

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
125462170
225462180
324472180
424472190
523472090
6234720100
7234719100
8234619110
9234618121
10234518131
11234418141
12234317151
13234217161
14234117172
15224017182
16223918192
17213818202
18213718213
19203619233
20193419243
21193319254
22183120274
23173021294
24162821305
25152721325
26142622345
27132522355
28122422376
29122322386
30112221396
31112121406

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 7 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
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 5:46 AM to 5:31 AM, and sunset from 5:52 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:465:52
212.15:455:52
312.15:445:52
412.15:445:52
512.15:435:52
612.25:425:52
712.25:425:52
812.25:415:52
912.25:415:52
1012.25:405:52
1112.25:395:52
1212.25:395:52
1312.25:385:52
1412.25:385:52
1512.35:375:53
1612.35:375:53
1712.35:365:53
1812.35:365:53
1912.35:355:53
2012.35:355:53
2112.35:345:53
2212.35:345:54
2312.35:335:54
2412.35:335:54
2512.45:335:54
2612.45:325:54
2712.45:325:55
2812.45:325:55
2912.45:315:55
3012.45:315:55
3112.45:315:56

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.49 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.6 kWh/m² in September across the year — October's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.4Intense
216.4Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in October

Hazard calendar for Riachão das Neves

In seasonPeak

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

Riachão das Neves's rainy season runs November–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 Riachão das Neves?

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

3.5
Sightseeing
12th-best month of the year
6.7
Beach & pool
7th-best month of the year

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

What to pack for Riachão das Neves in October

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

In October, Riachão das Neves sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Riachão das Neves 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 Riachão das Neves peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Riachão das Neves 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 Riachão das Neves is worst in September — around 25 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2324 µg/m³Jul 154 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar7Good
Apr6Good
May5Good
Jun5Good
Jul4Good
Aug6Good
Sep25Moderate
Oct24Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Riachão das Neves?

Riachão das Neves sits at 11.7°S, 44.9°W, 503 m above sea level, in Brazil. The nearest listed city is Barreiras, 46 km away.

Topography around Riachão das Neves

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riachão das Neves.

Within 3 km, the terrain around Riachão das Neves has only modest variations in elevation — a maximum elevation change of 192 m around an average of 533 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 357 m; within 80 km, significant variations in elevation — a maximum elevation change of 401 m.

The land around Riachão das Neves is covered by trees (35%), grassland (29%) and shrubs (24%) within 3 km, trees (49%) and shrubs (31%) within 16 km, and shrubs (41%) and trees (35%) within 80 km.

3 km
192 m
16 km
357 m
80 km
401 m
treesshrubsgrasslandcroplandartificial surfaces
October weather nearby: Barreiras 46 km · São Desidério 69 km · Formosa do Rio Preto 84 km · Santa Rita de Cássia 92 km · Luis Eduardo Magalhães 103 km · Corrente 147 km · Serra Dourada 154 km · Santana 166 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 Riachão das Neves (-11.7461°, -44.91°, elevation 503 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).