Barreirinha weather in October

In October, Barreirinha sees average daytime highs of 32°C and overnight lows near 26°C, with 123 mm of rain across 15.9 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-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 22% of the time in October, and the air most often feels miserable.

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 Barreirinha's 5th-clearest and 1st-windiest month. For the whole year in context, see Barreirinha's year-round climate.

Daytime high
32°
1st warmest
Overnight low
26°
12th coldest
Rainfall
123 mm
15.9 wet days
Daylight
12 h 06 min
5:31 AM – 5:35 PM
Cloud cover
67%
5th clearest
Wind
6 km/h
1st windiest
Solar energy
5.62 kWh/m²
Travel score
3.4
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 Barreirinha reaches about 32°C in the afternoon and slips back to 26°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173226
183226
193226
203226
213226
223226
233226
243226
253226
263226
273226
283226
293226
303226
313226

How October really feels in Barreirinha

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.

Barreirinha weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°3332812.12.9
Feb29° / 24°34325.812.13.0
Mar29° / 25°37328.9122.9
Apr29° / 25°36328.911.92.7
May30° / 25°28728.611.92.9
Jun30° / 25°15223.311.83.3
Jul31° / 25°11219.911.93.7
Aug31° / 25°8515.611.93.8
Sep32° / 26°9414.5123.6
Oct32° / 26°12315.912.13.4
Nov31° / 26°15618.912.13.2
Dec31° / 25°25124.812.23.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34753
44555
54456
64357
74357
84159
94060
103961
113961
123763
133664
143664
153565
163466
173565
183565
193565
203664
213664
223565
233466
243466
253466
263268
273268
283268
293169
302971
312872

Chance of precipitation in October

Any precipitation

Barreirinha gets around 123 mm of rain over 15.9 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 52% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
448
548
649
749
850
950
1051
1151
1252
1352
1452
1553
1653
1753
1853
1953
2053
2152
2253
2353
2453
2553
2654
2754
2855
2955
3056
3156

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable 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 (%)
101684
201684
301684
401684
501684
601684
701684
801585
901585
1001585
1101585
1201486
1301486
1401387
1501387
1601387
1701387
1801387
1901387
2001387
2101387
2201387
2311386
2411386
2511386
2611386
2711386
2811287
2911287
3011287
3111287

Wind in October

Winds average 6 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 6 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
306calm
316calm

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 5:37 AM to 5:29 AM, and sunset from 5:38 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:375:38
212.05:365:38
312.05:365:38
412.05:355:37
512.05:355:37
612.05:355:37
712.05:345:37
812.05:345:36
912.05:345:36
1012.05:335:36
1112.05:335:36
1212.15:335:36
1312.15:325:36
1412.15:325:35
1512.15:325:35
1612.15:315:35
1712.15:315:35
1812.15:315:35
1912.15:315:35
2012.15:305:35
2112.15:305:35
2212.15:305:35
2312.15:305:35
2412.15:305:35
2512.15:305:35
2612.15:295:35
2712.15:295:35
2812.15:295:35
2912.15:295:35
3012.15:295:35
3112.15:295:35

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.62 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 5.63 kWh/m² in September across the year — October's 5.62 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in October

Hazard calendar for Barreirinha

In seasonPeak

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

Barreirinha's rainy season runs December–May, 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 Barreirinha?

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

3.4
Sightseeing
4th-best month of the year
5.4
Beach & pool
3rd-best month of the year

October is a weaker month for outdoor sightseeing in Barreirinha.

What to pack for Barreirinha in October

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

In October, Barreirinha sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Barreirinha 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 Barreirinha peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 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 highExtremeVery highExtremeFeb 21UV 15Nov 15UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec12Extreme

Air quality in Barreirinha 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 Barreirinha is worst in November — around 29 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (June, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1029 µg/m³Jun 1610 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun10Good
Jul11Good
Aug16Moderate
Sep23Moderate
Oct28Moderate
Nov29Moderate
Dec19Moderate
Location & terrain

Where is Barreirinha?

Barreirinha sits at 2.8°S, 57.1°W, 13 m above sea level, in Brazil. The nearest listed city is Parintins, 41 km away.

Topography around Barreirinha

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

Within 3 km, the terrain around Barreirinha has only modest variations in elevation — a maximum elevation change of 27 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Barreirinha is covered by trees (46%) and grassland (32%) within 3 km, trees (38%), water (28%) and grassland (22%) within 16 km, and trees (70%) within 80 km.

3 km
27 m
16 km
61 m
80 km
149 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Parintins 41 km · Nhamundá 78 km · Urucará 82 km · Maués 97 km · Terra Santa 100 km · Urucurituba 126 km · Juruti 130 km · Itacoatiara 157 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 Barreirinha (-2.7933°, -57.07°, elevation 13 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).