Rio Preto da Eva weather in October

In October, Rio Preto da Eva sees average daytime highs of 33°C and overnight lows near 24°C, with 132 mm of rain across 20 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 9th-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 11% 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 Rio Preto da Eva's 5th-clearest and 5th-windiest month. For the whole year in context, see Rio Preto da Eva's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
132 mm
20 wet days
Daylight
12 h 06 min
5:42 AM – 5:46 PM
Cloud cover
74%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
5.43 kWh/m²
Travel score
2.7
out of 10

Rio Preto da Eva is 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 Rio Preto da Eva 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 36°C. Set against its neighbours, October runs on par with 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
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303224
313224

How October really feels in Rio Preto da Eva

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 Preto da Eva weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25327.312.12.8
Feb30° / 23°2472512.12.9
Mar30° / 23°33428.9122.7
Apr30° / 23°33028.811.92.7
May30° / 23°27529.111.92.7
Jun30° / 23°14223.511.83.2
Jul31° / 22°9519.311.93.6
Aug32° / 23°8416.611.93.3
Sep33° / 23°9618.3122.8
Oct33° / 24°1322012.12.7
Nov32° / 24°16622.512.12.6
Dec31° / 23°23427.612.22.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23664
33664
43565
53466
63466
73367
83268
93169
103070
112971
122872
132773
142773
152674
162575
172575
182575
192476
202377
212377
222377
232278
242278
252278
262080
271981
281981
291981
301981
311882

Chance of precipitation in October

Any precipitation

Rio Preto da Eva gets around 132 mm of rain over 20 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 65% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
160
261
361
462
562
663
763
864
965
1065
1166
1267
1367
1468
1568
1668
1767
1867
1967
2066
2166
2266
2366
2465
2565
2666
2766
2866
2966
3067
3167

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
187616
287616
377716
477716
577716
677716
767816
867816
957916
1057817
1157817
1247818
1347719
1447719
1547620
1647521
1737522
1837423
1937324
2037225
2137126
2237126
2337027
2436928
2536928
2626929
2726929
2826929
2926830
3026830
3126830

Wind in October

Winds average 5 km/h in October.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:47 AM to 5:40 AM, and sunset from 5:48 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:475:48
212.05:475:48
312.05:465:48
412.05:465:48
512.05:465:48
612.05:455:47
712.05:455:47
812.05:445:47
912.05:445:47
1012.05:445:47
1112.05:435:46
1212.15:435:46
1312.15:435:46
1412.15:435:46
1512.15:425:46
1612.15:425:46
1712.15:425:46
1812.15:425:45
1912.15:415:45
2012.15:415:45
2112.15:415:45
2212.15:415:45
2312.15:405:45
2412.15:405:45
2512.15:405:45
2612.15:405:45
2712.15:405:45
2812.15:405:45
2912.15:405:45
3012.15:405:45
3112.15:405:45

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.43 kWh/m² in September across the year — October's 5.43 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Is October a good time to visit Rio Preto da Eva?

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

2.7
Sightseeing
7th-best month of the year
4.6
Beach & pool
4th-best month of the year

October is a weaker month for outdoor sightseeing in Rio Preto da Eva.

What to pack for Rio Preto da Eva in October

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

In October, Rio Preto da Eva sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Rio Preto da Eva in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (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 Preto da Eva peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 12UV 15Nov 13UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep11Extreme
Oct10Extreme
Nov10Very high
Dec12Extreme

Air quality in Rio Preto da Eva 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 Preto da Eva is worst in October — around 29 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1129 µg/m³Jun 1412 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar16Moderate
Apr15Moderate
May12Good
Jun12Good
Jul12Moderate
Aug20Moderate
Sep28Moderate
Oct29Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Rio Preto da Eva?

Rio Preto da Eva sits at 2.7°S, 59.7°W, 39 m above sea level, in Brazil. The nearest listed city is Careiro da Várzea, 57 km away.

Topography around Rio Preto da Eva

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

Within 3 km, the terrain around Rio Preto da Eva has only modest variations in elevation — a maximum elevation change of 93 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 148 m; within 80 km, only modest variations in elevation — a maximum elevation change of 208 m.

The land around Rio Preto da Eva is covered by trees (79%) within 3 km, trees (96%) within 16 km, and trees (88%) within 80 km.

3 km
93 m
16 km
148 m
80 km
208 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Careiro da Várzea 57 km · Manaus 57 km · Presidente Figueiredo 82 km · Iranduba 85 km · Autazes 117 km · Manaquiri 117 km · Manacapuru 122 km · Novo Airão 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 Preto da Eva (-2.698°, -59.7017°, elevation 39 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).